Team No.32
1
A River banks at foundation location to be prepared for frame foundations River banks at foundation location to be prepared for frame foundations River banks at foundation location to be prepared for frame foundations River banks at foundation location to be prepared for frame foundations and rope anchorage construction. and rope anchorage construction. and rope anchorage construction. and rope anchorage construction. A Loose rock and soil The Bamboo Bridge has been designed to be easily built with minimal The Bamboo Bridge has been designed to be easily built with minimal The Bamboo Bridge has been designed to be easily built with minimal The Bamboo Bridge has been designed to be easily built with minimal Foundation for frame compression elements constructed of bamboo basket Foundation for frame compression elements constructed of bamboo basket Foundation for frame compression elements constructed of bamboo basket Foundation for frame compression elements constructed of bamboo basket infilled infilled infilled infilled with loose rock and soil. The river banks will face immediately with loose rock and soil. The river banks will face immediately with loose rock and soil. The river banks will face immediately with loose rock and soil. The river banks will face immediately below the basket will be reinforced with large boulders to minimise scour below the basket will be reinforced with large boulders to minimise scour below the basket will be reinforced with large boulders to minimise scour below the basket will be reinforced with large boulders to minimise scour Bamboo raft Loose rock and soil skills, labour and material requirement. The natural materials and skills, labour and material requirement. The natural materials and skills, labour and material requirement. The natural materials and skills, labour and material requirement. The natural materials and rustic appearance blend in with and compliment the surroundings rustic appearance blend in with and compliment the surroundings rustic appearance blend in with and compliment the surroundings rustic appearance blend in with and compliment the surroundings below the basket will be reinforced with large boulders to minimise scour below the basket will be reinforced with large boulders to minimise scour below the basket will be reinforced with large boulders to minimise scour below the basket will be reinforced with large boulders to minimise scour below the foundations. below the foundations. below the foundations. below the foundations. Foundation for tension ropes constructed in a similar manner. Anchor rope Foundation for tension ropes constructed in a similar manner. Anchor rope Foundation for tension ropes constructed in a similar manner. Anchor rope Foundation for tension ropes constructed in a similar manner. Anchor rope Bamboo raft whilst making a subtle statement of engineering prowess. whilst making a subtle statement of engineering prowess. whilst making a subtle statement of engineering prowess. whilst making a subtle statement of engineering prowess. The bridge is robust and has a number of redundancies, such as extra The bridge is robust and has a number of redundancies, such as extra The bridge is robust and has a number of redundancies, such as extra The bridge is robust and has a number of redundancies, such as extra Foundation for tension ropes constructed in a similar manner. Anchor rope Foundation for tension ropes constructed in a similar manner. Anchor rope Foundation for tension ropes constructed in a similar manner. Anchor rope Foundation for tension ropes constructed in a similar manner. Anchor rope ends located in bamboo sleeves and positioned in bamboo basket. Basket ends located in bamboo sleeves and positioned in bamboo basket. Basket ends located in bamboo sleeves and positioned in bamboo basket. Basket ends located in bamboo sleeves and positioned in bamboo basket. Basket infilled infilled infilled infilled with loose rock and soil layered between bamboo rafts. Rope with loose rock and soil layered between bamboo rafts. Rope with loose rock and soil layered between bamboo rafts. Rope with loose rock and soil layered between bamboo rafts. Rope foundations will have spare ports for additional ropes if required for future foundations will have spare ports for additional ropes if required for future foundations will have spare ports for additional ropes if required for future foundations will have spare ports for additional ropes if required for future The bridge is robust and has a number of redundancies, such as extra The bridge is robust and has a number of redundancies, such as extra The bridge is robust and has a number of redundancies, such as extra The bridge is robust and has a number of redundancies, such as extra cables, to allow for maintenance and/or replacement of members over cables, to allow for maintenance and/or replacement of members over cables, to allow for maintenance and/or replacement of members over cables, to allow for maintenance and/or replacement of members over time. Connections are envisaged to be simple but robust lashings with time. Connections are envisaged to be simple but robust lashings with time. Connections are envisaged to be simple but robust lashings with time. Connections are envisaged to be simple but robust lashings with foundations will have spare ports for additional ropes if required for future foundations will have spare ports for additional ropes if required for future foundations will have spare ports for additional ropes if required for future foundations will have spare ports for additional ropes if required for future strengthening and/or maintenance. strengthening and/or maintenance. strengthening and/or maintenance. strengthening and/or maintenance. Rock Rock Rock Rock anchor plate with steel eye fixed into rock (see Elevation). anchor plate with steel eye fixed into rock (see Elevation). anchor plate with steel eye fixed into rock (see Elevation). anchor plate with steel eye fixed into rock (see Elevation). This This This This Bamboo horizontal piece with bamboo Foundation basket can be sunk into ground or build time. Connections are envisaged to be simple but robust lashings with time. Connections are envisaged to be simple but robust lashings with time. Connections are envisaged to be simple but robust lashings with time. Connections are envisaged to be simple but robust lashings with critical connections doubled critical connections doubled critical connections doubled critical connections doubled-up for redundancy. up for redundancy. up for redundancy. up for redundancy. Rock Rock Rock Rock anchor plate with steel eye fixed into rock (see Elevation). anchor plate with steel eye fixed into rock (see Elevation). anchor plate with steel eye fixed into rock (see Elevation). anchor plate with steel eye fixed into rock (see Elevation). This This This This connection may require specialist equipment but will be a one connection may require specialist equipment but will be a one connection may require specialist equipment but will be a one connection may require specialist equipment but will be a one-time only time only time only time only requirement as no future maintenance should be required. requirement as no future maintenance should be required. requirement as no future maintenance should be required. requirement as no future maintenance should be required. with bamboo sleeves ground or build directly off Only locally sourced bamboo and rope made from natural fibrous Only locally sourced bamboo and rope made from natural fibrous Only locally sourced bamboo and rope made from natural fibrous Only locally sourced bamboo and rope made from natural fibrous materials are required. Materials are fully sustainable and available materials are required. Materials are fully sustainable and available materials are required. Materials are fully sustainable and available materials are required. Materials are fully sustainable and available Section Section Section Section B materials are required. Materials are fully sustainable and available materials are required. Materials are fully sustainable and available materials are required. Materials are fully sustainable and available materials are required. Materials are fully sustainable and available locally. It is anticipated that the skills required to fashion the ropes locally. It is anticipated that the skills required to fashion the ropes locally. It is anticipated that the skills required to fashion the ropes locally. It is anticipated that the skills required to fashion the ropes and lashed connections to join bamboo elements will exist within the and lashed connections to join bamboo elements will exist within the and lashed connections to join bamboo elements will exist within the and lashed connections to join bamboo elements will exist within the A-frames constructed flat on frames constructed flat on frames constructed flat on frames constructed flat on ground on each bank. Bamboos ground on each bank. Bamboos ground on each bank. Bamboos ground on each bank. Bamboos are lashed together using are lashed together using are lashed together using are lashed together using Section Section Section Section B Detail X local community. If not, these can be taught on site. The one exception local community. If not, these can be taught on site. The one exception local community. If not, these can be taught on site. The one exception local community. If not, these can be taught on site. The one exception is for the steel anchor bolt, though this will require a one is for the steel anchor bolt, though this will require a one is for the steel anchor bolt, though this will require a one is for the steel anchor bolt, though this will require a one-time time time time are lashed together using are lashed together using locally sourced durable locally sourced durable locally sourced durable locally sourced durable materials. materials. materials. materials. Detail X installation and will remain good for a long period of time. installation and will remain good for a long period of time. installation and will remain good for a long period of time. installation and will remain good for a long period of time. Construction of the foundations makes use of the local skills for Construction of the foundations makes use of the local skills for Construction of the foundations makes use of the local skills for Construction of the foundations makes use of the local skills for Frames erected into position Frames erected into position Frames erected into position Frames erected into position and secured. This can be done and secured. This can be done and secured. This can be done and secured. This can be done with a limited workforce and with a limited workforce and with a limited workforce and with a limited workforce and Construction of the foundations makes use of the local skills for Construction of the foundations makes use of the local skills for Construction of the foundations makes use of the local skills for Construction of the foundations makes use of the local skills for constructing bamboo baskets. Scour protection is provided for constructing bamboo baskets. Scour protection is provided for constructing bamboo baskets. Scour protection is provided for constructing bamboo baskets. Scour protection is provided for foundations by building up the banks with large rocks. If this proves foundations by building up the banks with large rocks. If this proves foundations by building up the banks with large rocks. If this proves foundations by building up the banks with large rocks. If this proves with a limited workforce and with a limited workforce and with a limited workforce and with a limited workforce and beasts may be used to provide beasts may be used to provide beasts may be used to provide beasts may be used to provide lifting forces. lifting forces. lifting forces. lifting forces. Pins to stop foundations by building up the banks with large rocks. If this proves foundations by building up the banks with large rocks. If this proves foundations by building up the banks with large rocks. If this proves foundations by building up the banks with large rocks. If this proves difficult on site, the foundations can easily be moved (and span difficult on site, the foundations can easily be moved (and span difficult on site, the foundations can easily be moved (and span difficult on site, the foundations can easily be moved (and span increased) away from the edge of the bank to more stable ground. increased) away from the edge of the bank to more stable ground. increased) away from the edge of the bank to more stable ground. increased) away from the edge of the bank to more stable ground. Frames are connected with Frames are connected with Frames are connected with Frames are connected with lateral tie members to stabilise lateral tie members to stabilise lateral tie members to stabilise lateral tie members to stabilise frames. The top rolling bar is frames. The top rolling bar is frames. The top rolling bar is frames. The top rolling bar is Frames lifted Pins to stop ropes sliding increased) away from the edge of the bank to more stable ground. increased) away from the edge of the bank to more stable ground. increased) away from the edge of the bank to more stable ground. increased) away from the edge of the bank to more stable ground. No contractors will be required to build the bridge other than for the No contractors will be required to build the bridge other than for the No contractors will be required to build the bridge other than for the No contractors will be required to build the bridge other than for the frames. The top rolling bar is frames. The top rolling bar is frames. The top rolling bar is frames. The top rolling bar is lifted into position using ropes lifted into position using ropes lifted into position using ropes lifted into position using ropes and the A and the A and the A and the A-frames as a pulley frames as a pulley frames as a pulley frames as a pulley- and and and and-guy system (not shown). guy system (not shown). guy system (not shown). guy system (not shown). Plan Plan Plan Plan into position No contractors will be required to build the bridge other than for the No contractors will be required to build the bridge other than for the No contractors will be required to build the bridge other than for the No contractors will be required to build the bridge other than for the installation of the rock anchor (unless suitable skills/equipment is installation of the rock anchor (unless suitable skills/equipment is installation of the rock anchor (unless suitable skills/equipment is installation of the rock anchor (unless suitable skills/equipment is available locally). available locally). available locally). available locally). and and and and-guy system (not shown). guy system (not shown). guy system (not shown). guy system (not shown). Plan Plan Plan Plan Detail X available locally). available locally). available locally). available locally). C C Deck is pre Deck is pre Deck is pre Deck is pre-fabricated on river banks. Bamboos are laid in a longitudinal direction with shorter fabricated on river banks. Bamboos are laid in a longitudinal direction with shorter fabricated on river banks. Bamboos are laid in a longitudinal direction with shorter fabricated on river banks. Bamboos are laid in a longitudinal direction with shorter Ropes pull deck into position 1 Ropes pull deck into position 2 Ropes pull deck into position 3 Deck is pre Deck is pre Deck is pre Deck is pre-fabricated on river banks. Bamboos are laid in a longitudinal direction with shorter fabricated on river banks. Bamboos are laid in a longitudinal direction with shorter fabricated on river banks. Bamboos are laid in a longitudinal direction with shorter fabricated on river banks. Bamboos are laid in a longitudinal direction with shorter transverse members beneath to provide a member connection and stiffen the deck. The end of the transverse members beneath to provide a member connection and stiffen the deck. The end of the transverse members beneath to provide a member connection and stiffen the deck. The end of the transverse members beneath to provide a member connection and stiffen the deck. The end of the decks that will connect with the central span are alternately trimmed to form a finger joint for decks that will connect with the central span are alternately trimmed to form a finger joint for decks that will connect with the central span are alternately trimmed to form a finger joint for decks that will connect with the central span are alternately trimmed to form a finger joint for later connection with the centre span elements (see stage D). later connection with the centre span elements (see stage D). later connection with the centre span elements (see stage D). later connection with the centre span elements (see stage D). later connection with the centre span elements (see stage D). later connection with the centre span elements (see stage D). later connection with the centre span elements (see stage D). later connection with the centre span elements (see stage D). Ropes slung across the rolling bar and connected to anchors (ropes and eyes) using suitable Ropes slung across the rolling bar and connected to anchors (ropes and eyes) using suitable Ropes slung across the rolling bar and connected to anchors (ropes and eyes) using suitable Ropes slung across the rolling bar and connected to anchors (ropes and eyes) using suitable Both edge decks pushed into final position knots. Decks knots. Decks knots. Decks knots. Decks are aligned between the centres of the are aligned between the centres of the are aligned between the centres of the are aligned between the centres of the A-frames. Deck support bar connected to free ends of rope with a looped knot and locating pins. frames. Deck support bar connected to free ends of rope with a looped knot and locating pins. frames. Deck support bar connected to free ends of rope with a looped knot and locating pins. frames. Deck support bar connected to free ends of rope with a looped knot and locating pins. Multiple ropes used for increased redundancy and to facilitate future replacement/maintenance. The deck support bar is then Multiple ropes used for increased redundancy and to facilitate future replacement/maintenance. The deck support bar is then Multiple ropes used for increased redundancy and to facilitate future replacement/maintenance. The deck support bar is then Multiple ropes used for increased redundancy and to facilitate future replacement/maintenance. The deck support bar is then fix fix fix fixed to the to the deck. ed to the to the deck. ed to the to the deck. ed to the to the deck. Deck is pushed out on rollers with the beasts used to take the strain from the free end. The second set of ropes are connecte Deck is pushed out on rollers with the beasts used to take the strain from the free end. The second set of ropes are connecte Deck is pushed out on rollers with the beasts used to take the strain from the free end. The second set of ropes are connecte Deck is pushed out on rollers with the beasts used to take the strain from the free end. The second set of ropes are connected t d t d t d to the rope anchors/steel eyes o the rope anchors/steel eyes o the rope anchors/steel eyes o the rope anchors/steel eyes to ensure that the free end of the deck is supported as it reaches its final position. to ensure that the free end of the deck is supported as it reaches its final position. to ensure that the free end of the deck is supported as it reaches its final position. to ensure that the free end of the deck is supported as it reaches its final position. Once at final position, bank ends of deck are pinned in position whilst a tie rope is connected between the deck support bars Once at final position, bank ends of deck are pinned in position whilst a tie rope is connected between the deck support bars Once at final position, bank ends of deck are pinned in position whilst a tie rope is connected between the deck support bars Once at final position, bank ends of deck are pinned in position whilst a tie rope is connected between the deck support bars to to to to take horizontal forces. take horizontal forces. take horizontal forces. take horizontal forces. Tie rope is tensioned with easy to use hand held tools akin to those found on sailing ships. Tie rope is tensioned with easy to use hand held tools akin to those found on sailing ships. Tie rope is tensioned with easy to use hand held tools akin to those found on sailing ships. Tie rope is tensioned with easy to use hand held tools akin to those found on sailing ships. With both bank sections in position, central section decking members are moved into position. Single bamboos With both bank sections in position, central section decking members are moved into position. Single bamboos With both bank sections in position, central section decking members are moved into position. Single bamboos With both bank sections in position, central section decking members are moved into position. Single bamboos D Finger type are carried out along the deck and pulled across the central span into position using ropes. are carried out along the deck and pulled across the central span into position using ropes. are carried out along the deck and pulled across the central span into position using ropes. are carried out along the deck and pulled across the central span into position using ropes. Bamboos sections are then jointed together to form the complete deck (see Bamboos sections are then jointed together to form the complete deck (see Bamboos sections are then jointed together to form the complete deck (see Bamboos sections are then jointed together to form the complete deck (see detail). etail). etail). etail). D Finger type connection Parapets/handrails and other finishes as required may then be installed. For example, additional decking to Parapets/handrails and other finishes as required may then be installed. For example, additional decking to Parapets/handrails and other finishes as required may then be installed. For example, additional decking to Parapets/handrails and other finishes as required may then be installed. For example, additional decking to improve footing may be rolled out. improve footing may be rolled out. improve footing may be rolled out. improve footing may be rolled out. Detail Y improve footing may be rolled out. improve footing may be rolled out. Detail Y Detail Y Decks lashed together for robustness Installation of the remaining components, i.e. parapet, handrail and flat decking. Decks lashed together for robustness Installation of the remaining components, i.e. parapet, handrail and flat decking.
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Team No.32
Transcript of Team No.32
AAAA River banks at foundation location to be prepared for frame foundations River banks at foundation location to be prepared for frame foundations River banks at foundation location to be prepared for frame foundations River banks at foundation location to be prepared for frame foundations and rope anchorage construction. and rope anchorage construction. and rope anchorage construction. and rope anchorage construction. AAAA Loose rock and soil
The Bamboo Bridge has been designed to be easily built with minimal The Bamboo Bridge has been designed to be easily built with minimal The Bamboo Bridge has been designed to be easily built with minimal The Bamboo Bridge has been designed to be easily built with minimal Foundation for frame compression elements constructed of bamboo basket Foundation for frame compression elements constructed of bamboo basket Foundation for frame compression elements constructed of bamboo basket Foundation for frame compression elements constructed of bamboo basket infilledinfilledinfilledinfilled with loose rock and soil. The river banks will face immediately with loose rock and soil. The river banks will face immediately with loose rock and soil. The river banks will face immediately with loose rock and soil. The river banks will face immediately below the basket will be reinforced with large boulders to minimise scour below the basket will be reinforced with large boulders to minimise scour below the basket will be reinforced with large boulders to minimise scour below the basket will be reinforced with large boulders to minimise scour
Bamboo raft
Loose rock and soil
The Bamboo Bridge has been designed to be easily built with minimal The Bamboo Bridge has been designed to be easily built with minimal The Bamboo Bridge has been designed to be easily built with minimal The Bamboo Bridge has been designed to be easily built with minimal skills, labour and material requirement. The natural materials and skills, labour and material requirement. The natural materials and skills, labour and material requirement. The natural materials and skills, labour and material requirement. The natural materials and rustic appearance blend in with and compliment the surroundings rustic appearance blend in with and compliment the surroundings rustic appearance blend in with and compliment the surroundings rustic appearance blend in with and compliment the surroundings below the basket will be reinforced with large boulders to minimise scour below the basket will be reinforced with large boulders to minimise scour below the basket will be reinforced with large boulders to minimise scour below the basket will be reinforced with large boulders to minimise scour
below the foundations. below the foundations. below the foundations. below the foundations.
Foundation for tension ropes constructed in a similar manner. Anchor rope Foundation for tension ropes constructed in a similar manner. Anchor rope Foundation for tension ropes constructed in a similar manner. Anchor rope Foundation for tension ropes constructed in a similar manner. Anchor rope
Loose rock and soil
Bamboo raft
rustic appearance blend in with and compliment the surroundings rustic appearance blend in with and compliment the surroundings rustic appearance blend in with and compliment the surroundings rustic appearance blend in with and compliment the surroundings whilst making a subtle statement of engineering prowess.whilst making a subtle statement of engineering prowess.whilst making a subtle statement of engineering prowess.whilst making a subtle statement of engineering prowess.
The bridge is robust and has a number of redundancies, such as extra The bridge is robust and has a number of redundancies, such as extra The bridge is robust and has a number of redundancies, such as extra The bridge is robust and has a number of redundancies, such as extra Foundation for tension ropes constructed in a similar manner. Anchor rope Foundation for tension ropes constructed in a similar manner. Anchor rope Foundation for tension ropes constructed in a similar manner. Anchor rope Foundation for tension ropes constructed in a similar manner. Anchor rope ends located in bamboo sleeves and positioned in bamboo basket. Basket ends located in bamboo sleeves and positioned in bamboo basket. Basket ends located in bamboo sleeves and positioned in bamboo basket. Basket ends located in bamboo sleeves and positioned in bamboo basket. Basket infilledinfilledinfilledinfilled with loose rock and soil layered between bamboo rafts. Rope with loose rock and soil layered between bamboo rafts. Rope with loose rock and soil layered between bamboo rafts. Rope with loose rock and soil layered between bamboo rafts. Rope foundations will have spare ports for additional ropes if required for future foundations will have spare ports for additional ropes if required for future foundations will have spare ports for additional ropes if required for future foundations will have spare ports for additional ropes if required for future
The bridge is robust and has a number of redundancies, such as extra The bridge is robust and has a number of redundancies, such as extra The bridge is robust and has a number of redundancies, such as extra The bridge is robust and has a number of redundancies, such as extra cables, to allow for maintenance and/or replacement of members over cables, to allow for maintenance and/or replacement of members over cables, to allow for maintenance and/or replacement of members over cables, to allow for maintenance and/or replacement of members over time. Connections are envisaged to be simple but robust lashings with time. Connections are envisaged to be simple but robust lashings with time. Connections are envisaged to be simple but robust lashings with time. Connections are envisaged to be simple but robust lashings with foundations will have spare ports for additional ropes if required for future foundations will have spare ports for additional ropes if required for future foundations will have spare ports for additional ropes if required for future foundations will have spare ports for additional ropes if required for future
strengthening and/or maintenance. strengthening and/or maintenance. strengthening and/or maintenance. strengthening and/or maintenance.
Rock Rock Rock Rock anchor plate with steel eye fixed into rock (see Elevation). anchor plate with steel eye fixed into rock (see Elevation). anchor plate with steel eye fixed into rock (see Elevation). anchor plate with steel eye fixed into rock (see Elevation). This This This This
Bamboo horizontal piece with bamboo
Foundation basketcan be sunk into ground or build
time. Connections are envisaged to be simple but robust lashings with time. Connections are envisaged to be simple but robust lashings with time. Connections are envisaged to be simple but robust lashings with time. Connections are envisaged to be simple but robust lashings with critical connections doubledcritical connections doubledcritical connections doubledcritical connections doubled----up for redundancy.up for redundancy.up for redundancy.up for redundancy.
Rock Rock Rock Rock anchor plate with steel eye fixed into rock (see Elevation). anchor plate with steel eye fixed into rock (see Elevation). anchor plate with steel eye fixed into rock (see Elevation). anchor plate with steel eye fixed into rock (see Elevation). This This This This connection may require specialist equipment but will be a oneconnection may require specialist equipment but will be a oneconnection may require specialist equipment but will be a oneconnection may require specialist equipment but will be a one----time only time only time only time only requirement as no future maintenance should be required. requirement as no future maintenance should be required. requirement as no future maintenance should be required. requirement as no future maintenance should be required.
with bamboo sleeves
ground or build directly offOnly locally sourced bamboo and rope made from natural fibrous Only locally sourced bamboo and rope made from natural fibrous Only locally sourced bamboo and rope made from natural fibrous Only locally sourced bamboo and rope made from natural fibrous
materials are required. Materials are fully sustainable and available materials are required. Materials are fully sustainable and available materials are required. Materials are fully sustainable and available materials are required. Materials are fully sustainable and available
SectionSectionSectionSection BBBB
materials are required. Materials are fully sustainable and available materials are required. Materials are fully sustainable and available materials are required. Materials are fully sustainable and available materials are required. Materials are fully sustainable and available locally. It is anticipated that the skills required to fashion the ropes locally. It is anticipated that the skills required to fashion the ropes locally. It is anticipated that the skills required to fashion the ropes locally. It is anticipated that the skills required to fashion the ropes and lashed connections to join bamboo elements will exist within the and lashed connections to join bamboo elements will exist within the and lashed connections to join bamboo elements will exist within the and lashed connections to join bamboo elements will exist within the
AAAA----frames constructed flat on frames constructed flat on frames constructed flat on frames constructed flat on ground on each bank. Bamboos ground on each bank. Bamboos ground on each bank. Bamboos ground on each bank. Bamboos are lashed together using are lashed together using are lashed together using are lashed together using
SectionSectionSectionSection BBBBDetail X
and lashed connections to join bamboo elements will exist within the and lashed connections to join bamboo elements will exist within the and lashed connections to join bamboo elements will exist within the and lashed connections to join bamboo elements will exist within the local community. If not, these can be taught on site. The one exception local community. If not, these can be taught on site. The one exception local community. If not, these can be taught on site. The one exception local community. If not, these can be taught on site. The one exception is for the steel anchor bolt, though this will require a oneis for the steel anchor bolt, though this will require a oneis for the steel anchor bolt, though this will require a oneis for the steel anchor bolt, though this will require a one----time time time time are lashed together using are lashed together using are lashed together using are lashed together using
locally sourced durable locally sourced durable locally sourced durable locally sourced durable materials. materials. materials. materials.
Detail Xis for the steel anchor bolt, though this will require a oneis for the steel anchor bolt, though this will require a oneis for the steel anchor bolt, though this will require a oneis for the steel anchor bolt, though this will require a one----time time time time installation and will remain good for a long period of time. installation and will remain good for a long period of time. installation and will remain good for a long period of time. installation and will remain good for a long period of time.
Construction of the foundations makes use of the local skills for Construction of the foundations makes use of the local skills for Construction of the foundations makes use of the local skills for Construction of the foundations makes use of the local skills for Frames erected into position Frames erected into position Frames erected into position Frames erected into position and secured. This can be done and secured. This can be done and secured. This can be done and secured. This can be done with a limited workforce and with a limited workforce and with a limited workforce and with a limited workforce and
Construction of the foundations makes use of the local skills for Construction of the foundations makes use of the local skills for Construction of the foundations makes use of the local skills for Construction of the foundations makes use of the local skills for constructing bamboo baskets. Scour protection is provided for constructing bamboo baskets. Scour protection is provided for constructing bamboo baskets. Scour protection is provided for constructing bamboo baskets. Scour protection is provided for foundations by building up the banks with large rocks. If this proves foundations by building up the banks with large rocks. If this proves foundations by building up the banks with large rocks. If this proves foundations by building up the banks with large rocks. If this proves with a limited workforce and with a limited workforce and with a limited workforce and with a limited workforce and
beasts may be used to provide beasts may be used to provide beasts may be used to provide beasts may be used to provide lifting forces. lifting forces. lifting forces. lifting forces.
Pins to stop
foundations by building up the banks with large rocks. If this proves foundations by building up the banks with large rocks. If this proves foundations by building up the banks with large rocks. If this proves foundations by building up the banks with large rocks. If this proves difficult on site, the foundations can easily be moved (and span difficult on site, the foundations can easily be moved (and span difficult on site, the foundations can easily be moved (and span difficult on site, the foundations can easily be moved (and span increased) away from the edge of the bank to more stable ground.increased) away from the edge of the bank to more stable ground.increased) away from the edge of the bank to more stable ground.increased) away from the edge of the bank to more stable ground.
Frames are connected with Frames are connected with Frames are connected with Frames are connected with lateral tie members to stabilise lateral tie members to stabilise lateral tie members to stabilise lateral tie members to stabilise frames. The top rolling bar is frames. The top rolling bar is frames. The top rolling bar is frames. The top rolling bar is
Frames lifted
Pins to stop ropes sliding
increased) away from the edge of the bank to more stable ground.increased) away from the edge of the bank to more stable ground.increased) away from the edge of the bank to more stable ground.increased) away from the edge of the bank to more stable ground.
No contractors will be required to build the bridge other than for the No contractors will be required to build the bridge other than for the No contractors will be required to build the bridge other than for the No contractors will be required to build the bridge other than for the frames. The top rolling bar is frames. The top rolling bar is frames. The top rolling bar is frames. The top rolling bar is lifted into position using ropes lifted into position using ropes lifted into position using ropes lifted into position using ropes and the Aand the Aand the Aand the A----frames as a pulleyframes as a pulleyframes as a pulleyframes as a pulley----andandandand----guy system (not shown). guy system (not shown). guy system (not shown). guy system (not shown).
Plan Plan Plan Plan
Frames lifted into position
No contractors will be required to build the bridge other than for the No contractors will be required to build the bridge other than for the No contractors will be required to build the bridge other than for the No contractors will be required to build the bridge other than for the installation of the rock anchor (unless suitable skills/equipment is installation of the rock anchor (unless suitable skills/equipment is installation of the rock anchor (unless suitable skills/equipment is installation of the rock anchor (unless suitable skills/equipment is available locally). available locally). available locally). available locally).
andandandand----guy system (not shown). guy system (not shown). guy system (not shown). guy system (not shown). Plan Plan Plan Plan
Detail Xavailable locally). available locally). available locally). available locally).
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Deck is preDeck is preDeck is preDeck is pre----fabricated on river banks. Bamboos are laid in a longitudinal direction with shorter fabricated on river banks. Bamboos are laid in a longitudinal direction with shorter fabricated on river banks. Bamboos are laid in a longitudinal direction with shorter fabricated on river banks. Bamboos are laid in a longitudinal direction with shorter Ropes pull deck into position 1 Ropes pull deck into position 2 Ropes pull deck into position 3
Deck is preDeck is preDeck is preDeck is pre----fabricated on river banks. Bamboos are laid in a longitudinal direction with shorter fabricated on river banks. Bamboos are laid in a longitudinal direction with shorter fabricated on river banks. Bamboos are laid in a longitudinal direction with shorter fabricated on river banks. Bamboos are laid in a longitudinal direction with shorter transverse members beneath to provide a member connection and stiffen the deck. The end of the transverse members beneath to provide a member connection and stiffen the deck. The end of the transverse members beneath to provide a member connection and stiffen the deck. The end of the transverse members beneath to provide a member connection and stiffen the deck. The end of the decks that will connect with the central span are alternately trimmed to form a finger joint fordecks that will connect with the central span are alternately trimmed to form a finger joint fordecks that will connect with the central span are alternately trimmed to form a finger joint fordecks that will connect with the central span are alternately trimmed to form a finger joint forlater connection with the centre span elements (see stage D).later connection with the centre span elements (see stage D).later connection with the centre span elements (see stage D).later connection with the centre span elements (see stage D).decks that will connect with the central span are alternately trimmed to form a finger joint fordecks that will connect with the central span are alternately trimmed to form a finger joint fordecks that will connect with the central span are alternately trimmed to form a finger joint fordecks that will connect with the central span are alternately trimmed to form a finger joint forlater connection with the centre span elements (see stage D).later connection with the centre span elements (see stage D).later connection with the centre span elements (see stage D).later connection with the centre span elements (see stage D).
Ropes slung across the rolling bar and connected to anchors (ropes and eyes) using suitable Ropes slung across the rolling bar and connected to anchors (ropes and eyes) using suitable Ropes slung across the rolling bar and connected to anchors (ropes and eyes) using suitable Ropes slung across the rolling bar and connected to anchors (ropes and eyes) using suitable
Both edge decks pushed into final position
Ropes slung across the rolling bar and connected to anchors (ropes and eyes) using suitable Ropes slung across the rolling bar and connected to anchors (ropes and eyes) using suitable Ropes slung across the rolling bar and connected to anchors (ropes and eyes) using suitable Ropes slung across the rolling bar and connected to anchors (ropes and eyes) using suitable knots. Decks knots. Decks knots. Decks knots. Decks are aligned between the centres of the are aligned between the centres of the are aligned between the centres of the are aligned between the centres of the AAAA----frames. Deck support bar connected to free ends of rope with a looped knot and locating pins. frames. Deck support bar connected to free ends of rope with a looped knot and locating pins. frames. Deck support bar connected to free ends of rope with a looped knot and locating pins. frames. Deck support bar connected to free ends of rope with a looped knot and locating pins. Multiple ropes used for increased redundancy and to facilitate future replacement/maintenance. The deck support bar is then Multiple ropes used for increased redundancy and to facilitate future replacement/maintenance. The deck support bar is then Multiple ropes used for increased redundancy and to facilitate future replacement/maintenance. The deck support bar is then Multiple ropes used for increased redundancy and to facilitate future replacement/maintenance. The deck support bar is then fixfixfixfixed to the to the deck.ed to the to the deck.ed to the to the deck.ed to the to the deck.
Deck is pushed out on rollers with the beasts used to take the strain from the free end. The second set of ropes are connecteDeck is pushed out on rollers with the beasts used to take the strain from the free end. The second set of ropes are connecteDeck is pushed out on rollers with the beasts used to take the strain from the free end. The second set of ropes are connecteDeck is pushed out on rollers with the beasts used to take the strain from the free end. The second set of ropes are connected td td td to the rope anchors/steel eyes o the rope anchors/steel eyes o the rope anchors/steel eyes o the rope anchors/steel eyes to ensure that the free end of the deck is supported as it reaches its final position. to ensure that the free end of the deck is supported as it reaches its final position. to ensure that the free end of the deck is supported as it reaches its final position. to ensure that the free end of the deck is supported as it reaches its final position.
Once at final position, bank ends of deck are pinned in position whilst a tie rope is connected between the deck support barsOnce at final position, bank ends of deck are pinned in position whilst a tie rope is connected between the deck support barsOnce at final position, bank ends of deck are pinned in position whilst a tie rope is connected between the deck support barsOnce at final position, bank ends of deck are pinned in position whilst a tie rope is connected between the deck support bars totototo take horizontal forces. take horizontal forces. take horizontal forces. take horizontal forces. Tie rope is tensioned with easy to use hand held tools akin to those found on sailing ships.Tie rope is tensioned with easy to use hand held tools akin to those found on sailing ships.Tie rope is tensioned with easy to use hand held tools akin to those found on sailing ships.Tie rope is tensioned with easy to use hand held tools akin to those found on sailing ships.
With both bank sections in position, central section decking members are moved into position. Single bamboos With both bank sections in position, central section decking members are moved into position. Single bamboos With both bank sections in position, central section decking members are moved into position. Single bamboos With both bank sections in position, central section decking members are moved into position. Single bamboos DDDD Finger type With both bank sections in position, central section decking members are moved into position. Single bamboos With both bank sections in position, central section decking members are moved into position. Single bamboos With both bank sections in position, central section decking members are moved into position. Single bamboos With both bank sections in position, central section decking members are moved into position. Single bamboos are carried out along the deck and pulled across the central span into position using ropes. are carried out along the deck and pulled across the central span into position using ropes. are carried out along the deck and pulled across the central span into position using ropes. are carried out along the deck and pulled across the central span into position using ropes.
Bamboos sections are then jointed together to form the complete deck (see Bamboos sections are then jointed together to form the complete deck (see Bamboos sections are then jointed together to form the complete deck (see Bamboos sections are then jointed together to form the complete deck (see ddddetail). etail). etail). etail).
DDDD Finger type connection
Bamboos sections are then jointed together to form the complete deck (see Bamboos sections are then jointed together to form the complete deck (see Bamboos sections are then jointed together to form the complete deck (see Bamboos sections are then jointed together to form the complete deck (see ddddetail). etail). etail). etail).
Parapets/handrails and other finishes as required may then be installed. For example, additional decking to Parapets/handrails and other finishes as required may then be installed. For example, additional decking to Parapets/handrails and other finishes as required may then be installed. For example, additional decking to Parapets/handrails and other finishes as required may then be installed. For example, additional decking to improve footing may be rolled out.improve footing may be rolled out.improve footing may be rolled out.improve footing may be rolled out.Detail Y improve footing may be rolled out.improve footing may be rolled out.improve footing may be rolled out.improve footing may be rolled out.Detail Y
Detail YDetail Y
Decks lashed together for robustness Installation of the remaining components, i.e. parapet, handrail and flat decking.Decks lashed together for robustness Installation of the remaining components, i.e. parapet, handrail and flat decking.
