Thesis Ppt
-
Upload
madumita-sadagopan -
Category
Documents
-
view
160 -
download
5
Transcript of Thesis Ppt
![Page 1: Thesis Ppt](https://reader033.fdocuments.in/reader033/viewer/2022061120/546d7173b4af9fe51b8b45d6/html5/thumbnails/1.jpg)
1
School of Building Science & TechnologyCEPT UniversityKasturbhai Lalbhai CampusNavrangpura, Ahmedabad – 380009Phone: 91 79 26302740 Fax: 91 79 26302075Website: www.cept.ac.in Email: [email protected], [email protected]
Final Thesis presentation on BUILDING VULNERABILITY
ASSESSMENT FOR TROPICAL CYCLONES IN
JAMNAGAR
![Page 2: Thesis Ppt](https://reader033.fdocuments.in/reader033/viewer/2022061120/546d7173b4af9fe51b8b45d6/html5/thumbnails/2.jpg)
2
School of Building Science & TechnologyCEPT UniversityKasturbhai Lalbhai CampusNavrangpura, Ahmedabad – 380009Phone: 91 79 26302740 Fax: 91 79 26302075Website: www.cept.ac.in Email: [email protected], [email protected]
Final Thesis presentation on BUILDING VULNERABILITY
ASSESSMENT FOR TROPICAL CYCLONES IN
JAMNAGAR1 INTRODUCTION
2 METHODOLOGY
3 DATA COLLECTION
4 DATA ANALYSIS
5 RESULTS & RECOMMENDATIONS
![Page 3: Thesis Ppt](https://reader033.fdocuments.in/reader033/viewer/2022061120/546d7173b4af9fe51b8b45d6/html5/thumbnails/3.jpg)
3
57% of the land is vulnerable to EARTHQUAKES
8% of the land is vulnerable to CYCLONES
5% of the land is vulnerable to RIVER FLOODS
Madumita Sadagopan, Faculty of Technology. C.E.P.T University
“A serious disruption of the functioning of a community or a society involving widespread human, material, economic or environmental losses and impacts, which exceeds the ability of the affected community or society to cope using its own resources.”
DISASTER : (As per the U.N.I.S.D.R)
LIFEPROPERTY
BUILDINGS
LIVELIHOOD
1
2
3
4
5
INTRODUCTION
THE DISASTER PRONE INDIAN SUB-CONTINENT
![Page 4: Thesis Ppt](https://reader033.fdocuments.in/reader033/viewer/2022061120/546d7173b4af9fe51b8b45d6/html5/thumbnails/4.jpg)
4
Madumita Sadagopan, Faculty of Technology. C.E.P.T University
“A serious disruption of the functioning of a community or a society involving widespread human, material, economic or environmental losses and impacts, which exceeds the ability of the affected community or society to cope using its own resources.”
1
2
3
4
5
CYCLONIC DISASTERS IN INDIA THE DISASTER PRONE INDIAN SUB-CONTINENT
![Page 5: Thesis Ppt](https://reader033.fdocuments.in/reader033/viewer/2022061120/546d7173b4af9fe51b8b45d6/html5/thumbnails/5.jpg)
5
Madumita Sadagopan, Faculty of Technology. C.E.P.T University
AIM
OBJECTIVE
1
2
3
4
5
CYCLONIC DISASTERS IN INDIA THE DISASTER PRONE INDIAN SUB-CONTINENT
![Page 6: Thesis Ppt](https://reader033.fdocuments.in/reader033/viewer/2022061120/546d7173b4af9fe51b8b45d6/html5/thumbnails/6.jpg)
6
Madumita Sadagopan, Faculty of Technology. C.E.P.T University
1
2
3
4
5
METHODOLOGY ADOPTED
DATA
COL
LECT
ION
& PR
ELIM
INAR
Y AN
ALYS
IS
SECONDARY DATA
PRIMARY DATA COLLECTION & DATA PREPARATION
ANALYSIS OF PRIMARY DATA
![Page 7: Thesis Ppt](https://reader033.fdocuments.in/reader033/viewer/2022061120/546d7173b4af9fe51b8b45d6/html5/thumbnails/7.jpg)
7
Madumita Sadagopan, Faculty of Technology. C.E.P.T University
1
2
3
4
5
METHODOLOGY ADOPTED
DATA
ANA
LYSI
S &
REPR
ESEN
TATI
ON DIGITIZATION & SPATIAL IMPLEMENTATION OF DAMAGED BUILDINGS WITHIN J.M.C EXTENT
RESU
LTS
DERI
VED
FROM
SPA
TIAL
LAY
OUTS
PREPARATION OF MAPS
![Page 8: Thesis Ppt](https://reader033.fdocuments.in/reader033/viewer/2022061120/546d7173b4af9fe51b8b45d6/html5/thumbnails/8.jpg)
8
Madumita Sadagopan, Faculty of Technology. C.E.P.T University
1
2
3
4
5
DATA COLLECTION for WIND HAZARD ASSESSMENT
ZONE III - HIGH DAMAGE RISK ZONE (As per B.M.T.P.C)
Wind speed 47m/s Very heavy damage to Kachcha and Semi Pucca Buildings.Boundary Walls: OverturnIndustrial Buildings: Walls fail, whole roofs may fly off – I.M.D
“The combination of the probability of an event and its negative consequences”
“A methodology to determine the nature and extent of risk by analyzing potential hazards and evaluating existing conditions of vulnerability that together could potentially harm exposed people, property, services, livelihoods and the environment on which they depend.”
RISK: (As per the U.N.I.S.D.R)
RISK ASSESSMENT: (U.N.I.S.D.R)
WIND RISK ZONATION AS PER B.M.T.P.C
![Page 9: Thesis Ppt](https://reader033.fdocuments.in/reader033/viewer/2022061120/546d7173b4af9fe51b8b45d6/html5/thumbnails/9.jpg)
9
Madumita Sadagopan, Faculty of Technology. C.E.P.T University
1
2
3
4
5
DATA COLLECTION for WIND HAZARD ASSESSMENT RISK DETERMINATION CONTAINS
HAZARD RISK LOCATIONAL RISK
TERRAIN CHARACTERISTICS FREQUENCY
INTENSITY – WIND SPEED TERRAIN ELEVATION
EXPOSURE SET
OBTAINED FROM I.M.D e-AtlasU.N.E.P – G.R.I.D (Global Resource Information
Database)
STORM TRACKS INCIDENT ON JAMNAGAR
![Page 10: Thesis Ppt](https://reader033.fdocuments.in/reader033/viewer/2022061120/546d7173b4af9fe51b8b45d6/html5/thumbnails/10.jpg)
10
Madumita Sadagopan, Faculty of Technology. C.E.P.T University
1
2
3
4
5
DATA COLLECTION - RISK ASSESSMENT
CYCLONE TRACKS ACROSS GUJARAT
Low pressureDepressionC.SS.C.SV.S.C.S
RISK ASSESSMENT CONTAINS
HAZARD RISK
FREQUENCY
INTENSITY – WIND SPEED
Obtained from I.M.D e-AtlasU.N.E.P – G.R.I.D (Global Resource Information Database)
STORM TRACKS INCIDENT ON JAMNAGAR
RETURN PERIOD
“Cyclone return periods are the frequency at which a certain intensity or category of cyclone can be expected within 75 nm (86 statute miles) of a given location. The return periods are generally designated in years.”
Return Period (yrs)
25 50 100 200
Wind speed (m/s) 33-39 39-44 44-50 50-55
![Page 11: Thesis Ppt](https://reader033.fdocuments.in/reader033/viewer/2022061120/546d7173b4af9fe51b8b45d6/html5/thumbnails/11.jpg)
11
Madumita Sadagopan, Faculty of Technology. C.E.P.T University
1
2
3
4
5
DATA COLLECTION for RISK ASSESSMENT
Railway Stn.
Police Line
LOCATIONAL RISK
NEARNESS TO COAST
TERRAIN CHARACTERISTICS & ELEVATION
RISK ASSESSMENT CONTAINS
Digital topographic data obtained from S.R.T.M V 4.1 – 90m resoultion (Shuttle Radar Topography
Mission) overlaid on spatial layout of J.M.C to obtain topography elevation.
![Page 12: Thesis Ppt](https://reader033.fdocuments.in/reader033/viewer/2022061120/546d7173b4af9fe51b8b45d6/html5/thumbnails/12.jpg)
12
Madumita Sadagopan, Faculty of Technology. C.E.P.T University
1
2
3
4
5
DATA COLLECTION for RISK ASSESSMENT
Darbargarh
Fort
7 Rasta Circle
Khambalia gate
Dist. Jail
![Page 13: Thesis Ppt](https://reader033.fdocuments.in/reader033/viewer/2022061120/546d7173b4af9fe51b8b45d6/html5/thumbnails/13.jpg)
13
Madumita Sadagopan, Faculty of Technology. C.E.P.T University
1
2
3
4
5
DATA COLLECTION for DETERMINING RISKRISK ASSESSMENT CONTAINS
EXPOSURE SET containing BUILDINGS
Selection of REPRESENTATIVE TRANSECTS to obtain BUILDING SAMPLES by strata and
sampling at random
GEOPSY method
SOCIO-
ECONOM
IC CLASSES
L.I.G
SLUM
M.I.G
H.I.G
•Vulnerability assessment of an urban environment• “Earning capacity of the dweller determines the dwelling type”.• Determining socio-economic classes in J.M.C to define transects / geopsies.• Transects Chosen – Expert opinion & reconnaissance surveys : 25 IN TOTAL
CHARACTERIZED by BUILDING TYPOLOGIES
1 RCC on Brick & Concrete 8 CGI/ACC on Earth2 RCC on Stone 9 CGI/ACC on Biomass3 Tiles on Brick & Concrete 10 Biomass on Earth4 Tiles on Stone 11 Biomass on Biomass5 Tiles on Earth 12 Others on Others6 Tiles on Biomass 13 Stone on Stone7 CGI/ACC on Brick &
Concrete14 CGI/ACC on stone15 Biomass on Bricks
Source : Census 2001
Based on ROOF / WALL type
![Page 14: Thesis Ppt](https://reader033.fdocuments.in/reader033/viewer/2022061120/546d7173b4af9fe51b8b45d6/html5/thumbnails/14.jpg)
14
Madumita Sadagopan, Faculty of Technology. C.E.P.T University
1
2
3
4
5
DATA COLLECTION for RISK ASSESSMENT
GEOPSY method
GALAXI PARK – M.I.G
BEDI – SLUM
TRANSECT
CHAR’TICS
AVG. HOUSI
NG DENSIT
Y
HOUSING TYP.
PREVELENT
AVG. NO.
STOREYS
SPATIAL
SPREAD OF
HOUSES
![Page 15: Thesis Ppt](https://reader033.fdocuments.in/reader033/viewer/2022061120/546d7173b4af9fe51b8b45d6/html5/thumbnails/15.jpg)
15
DATA COLLECTION for RISK ASSESSMENT
Madumita Sadagopan, Faculty of Technology. C.E.P.T University
1
2
3
4
5
SATARVA VADO– L.I.G
JAI COOP. SOC. – H.I.G
TRANSECT
CHAR’TICS
AVG. HOUSI
NG DENSIT
Y
HOUSING TYP.
PREVELENT
AVG. NO.
STOREYS
SPATIAL
SPREAD OF
HOUSES
![Page 16: Thesis Ppt](https://reader033.fdocuments.in/reader033/viewer/2022061120/546d7173b4af9fe51b8b45d6/html5/thumbnails/16.jpg)
16
Madumita Sadagopan, Faculty of Technology. C.E.P.T University
1
2
3
4
5
DATA COLLECTION for DETERMINING RISKRAPID VISUAL SCREENING OF BUILDING SAMPLES
RISK ASSESSMENT CONTAINSEXPOSURE SET containing
BUILDINGS
Selection of REPRESENTATIVE TRANSECTS to obtain BUILDING SAMPLES by strata and
sampling at random
GEOPSY method
RAPID VISUAL SCREENING OF BUILDINGS
SAMPLING 10 HOUSES AT RANDOM IN THE GIVEN TRANSECT FOR RAPID VISUAL SCREENING
![Page 17: Thesis Ppt](https://reader033.fdocuments.in/reader033/viewer/2022061120/546d7173b4af9fe51b8b45d6/html5/thumbnails/17.jpg)
17
Madumita Sadagopan, Faculty of Technology. C.E.P.T University
1
2
3
4
5
DATA COLLECTION for DETERMINING RISKRAPID VISUAL SCREENING OF BUILDING SAMPLES
![Page 18: Thesis Ppt](https://reader033.fdocuments.in/reader033/viewer/2022061120/546d7173b4af9fe51b8b45d6/html5/thumbnails/18.jpg)
18
Madumita Sadagopan, Faculty of Technology. C.E.P.T University
1
2
3
4
5
DATA ANALYSIS for DETERMINING RISKRISK DETERMINATION CONTAINS
EXPOSURE SET containing BUILDINGS
Selection of REPRESENTATIVE TRANSECTS to obtain BUILDING SAMPLES by strata and
sampling at random
GEOPSY method
RAPID VISUAL SCREENING
PRELIMINARY ANALYSIS OF BUILDING SAMPLE
TYPOLOGY DISTRIBUTION (%)
VULNERABILITY ANALYSISGEO-REFERENCING DATA
SURVEYED (Preparing Data base of building elements
surveyed)DAMAGE MODELLING
SPATIAL IMPLEMENTATION OF DAMAGE MODEL
BUILDING VULNERABILITY ASSESSMENT
![Page 19: Thesis Ppt](https://reader033.fdocuments.in/reader033/viewer/2022061120/546d7173b4af9fe51b8b45d6/html5/thumbnails/19.jpg)
19
Madumita Sadagopan, Faculty of Technology. C.E.P.T University
1
2
3
4
5
PREPARING SPATIAL DATA - EXPOSURE SETGEO- REFERENCING SURVEYED DATA
REFERENCING BLDG. ELEMENTS SPATIALLY
SPATIAL LAYOUT PROVIDED BY REMOTE SENSING SATELLITE IMAGERY
(TRANSECTS + HOUSES SURVEYED)Digital Globe 2010 imagery
DIGITIZING
DIGITIZING TRANSECT DIGITIZING SURVEYED HOUSES
DEMARCATING TRANSECT AREA
REFERENCED BUILDING ELEMENTS APPENDED ONTO A DATABASE IN G.I.S ENABLED PLATFORM
![Page 20: Thesis Ppt](https://reader033.fdocuments.in/reader033/viewer/2022061120/546d7173b4af9fe51b8b45d6/html5/thumbnails/20.jpg)
20
Madumita Sadagopan, Faculty of Technology. C.E.P.T University
1
2
3
4
5
SPATIAL ANALYSIS of BUILDING ELEMENTS
USING PROXIMITY FUNCTIONS in G.I.S for BUFFER ZONE GENERATION
RESIDENTIAL AREAS DERIVED
SPATIAL LAYOUT PROVIDED BY REMOTE SENSING SATELLITE IMAGERY
(TRANSECTS + HOUSES SURVEYED)
Digital Globe 2010 imagery
DIGITIZING
The transects (25) from where building samples were derived are assumed representative for the social strata they signify varying by their location within J.M.C (Core / Periphery).
![Page 21: Thesis Ppt](https://reader033.fdocuments.in/reader033/viewer/2022061120/546d7173b4af9fe51b8b45d6/html5/thumbnails/21.jpg)
21
Madumita Sadagopan, Faculty of Technology. C.E.P.T University
1
2
3
4
5
DATA ANALYSIS - DAMAGE MODELLING DAMAGE MODELLING CONTAINS
EXPOSURE SET containing BUILDINGS
Selection of REPRESENTATIVE TRANSECTS to obtain BUILDING SAMPLES by strata and
sampling at random
GEOPSY method
RAPID VISUAL SCREENING
PRELIMINARY ANALYSIS OF BUILDING SAMPLE
TYPOLOGY DISTRIBUTION (%)
VULNERABILITY ANALYSISGEO-REFERENCING DATA
SURVEYED (Preparing Data base of building elements
surveyed)DAMAGE MODELLING
SPATIAL IMPLEMENTATION OF DAMAGE MODEL
BUILDING VULNERABILITY ASSESSMENT
![Page 22: Thesis Ppt](https://reader033.fdocuments.in/reader033/viewer/2022061120/546d7173b4af9fe51b8b45d6/html5/thumbnails/22.jpg)
22
Madumita Sadagopan, Faculty of Technology. C.E.P.T University
1
2
3
4
5
DATA COLLECTION for RISK ASSESSMENT
RISK ASSESSMENT CONTAINSEXPOSURE SET containing
BUILDINGS
Selection of REPRESENTATIVE TRANSECTS to obtain BUILDING SAMPLES by strata and
sampling at random
GEOPSY method
SOCIO-
ECONOMIC CLASSES
L.I.G
SLUM
M.I.G
H.I.G
•Vulnerability assessment of an urban environment• “Earning capacity of the dweller determines the dwelling type”.• Determining socio-economic classes in J.M.C to define transects / geopsies.
Based on & Types ofPRELIMINARY ANALYSIS OF BUILDING SAMPLE
RAPID VISUAL SCREENING OF BUILDINGS
VULNERABILITY ANALYSIS
BUILDING TYPOLOGY DISTRIBUTION & GENERATION OF BUFFER ZONES
![Page 23: Thesis Ppt](https://reader033.fdocuments.in/reader033/viewer/2022061120/546d7173b4af9fe51b8b45d6/html5/thumbnails/23.jpg)
23Madumita Sadagopan, Faculty of Technology. C.E.P.T University
DISASTER – “A serious disruption of the functioning of a community or a society involving widespread human, material, economic or environmental losses and impacts, which exceeds the ability of the affected community or society to cope using its own resources.” – U.N.I.S.D.R
HAZARD RISK
BUILT ENVIRONMENT
RESISTANCE
COPING CAPACITY OF
COMMUNITY VULNERABILITY
![Page 24: Thesis Ppt](https://reader033.fdocuments.in/reader033/viewer/2022061120/546d7173b4af9fe51b8b45d6/html5/thumbnails/24.jpg)
Madumita Sadagopan, S.B.S.T, C.E.P.T University
24