Liquid Soil Book
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Transcript of Liquid Soil Book
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LI QUI D SOI L
SOI LCON Ltd. 21, Villiers Road SOUTHSEA PO5 2NR United Kingdom E-mail: [email protected] +44 (0)2392756166
Green
Respectful
Sustainable
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Liquid Soil is a construction material which is flowable during installationand which may be produced from nearly any kind of excavated material
ApplicationsLiquid Soilmay be used in most backfill situations, such as filling utility or service trenches, backfilling excavationson construction sites, filling voids, tunnels and galleries and use on site requiring large quantities of material.
Liquid Soil also offers the possibility of hanging its properties to suit the individual application requirements.
PropertiesFlowable
Pumpable
Self-compacting
May be laid under water
No settlement
No crowning
Use of most type of soil and recycled
aggregate possible
Can be topped quickly
Can be excavated again easily
Gas permeable
Mitigates vibration
Non-toxic, non-hazardous
Easy to produce and handle
Liquid
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AdvantagesQuicker completion with lower labour requirementsReduction of volumes handled
Lower space requirements
Improved operator safety
No compaction in wet trenches
Quality management gives defined properties
Allow gas leaks to be detected
Good bedding properties, leading to long-lasting service networks
Homogeneous ground reinstatement avoids discontinuities
Removable with a hand spade
No Compaction damage may used with all types
of pipe materials
Technical dataDensity: 1.6 2.1 T/m3Compressve strength: 28 days= 0.2 - 0.8 N/mm2Deformation value (EV2): >45 N/mm2 (28 days)Permeability: 10-5 10-10 m/s
Impermeable barrier against water movement Vibration mitigation against road traffic
Road base Structural backfill Ability to fill deep trenches Slope stabilisation
Fixed-plant Installation
Mobile-plant Installation
LiquidAreas of applications
SOI LCON Ltd. CONSULTI NG & TRAI NI NG
21, Villiers Road SOUTHSEA SERVI CE & TRADI NG
PO5 2NR United Kingdom CONSOLIDATI ON WORKS
+ 44 (0)2392756166
E-mail: [email protected]
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SOI LCON Ltd . CONSULTI NG & TRAI NI NG
21, Villiers Road SOUTHSEA SERVI CE & TRADI NGPO5 2NR United Kingdom CONSOLI DATI ON WORKS + 44 (0)2392756166
E-mail: [email protected]
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LI QUI D SOI L FOR
TELECOMMUNI CATI ONTRENCHES
Liquid Soil is a material which can be produced from nearly all type of excavated material and used in
site, such as for example in the case of a trench in urban site for the installation of
Telecommunication wires or services.
In this case Liquid Soil become a rapid and easy way to use a discharge product - reducing drastically
the stand-by time and installing of the undertaken services- in a sustainable way!
The following picture sequence shows how an existing bicycle path/sidewalk made with slip bricks,can be opened and rebuilt in an easy wayas nothing happened!
The mixed soil obtained with Liquid Soil becomes hard in a few hours avoiding all dangerous and badeffects of the natural subsidence of t he traditional refilling methods.
The use of small equipment (installed on mini-excavator or mini-dumper) is more suitable for small
works where the agility is priority and spaces are small.In case of big quantity of treated soil with high daily production, the use of bigger equipment with
concrete mixer truck is required.
1. Slip br icks are removed and excavation executed
SOI LCON Ltd. CONSULTI NG & TRAI NI NG
21, Villiers Road SOUTHSEA SERVI CE & TRADI NGPO5 2NR United Kingdom CONSOLIDATI ON WORKS + 44 (0)2392756166
E-mail: [email protected]
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2. Plast ic hoses and cables are install ed
3. Excavated soil is mix ed w it h liqui d soil and poured in t he opened tr ench
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4. Liquid soil mat erial is hardening
5. The orig inal slip br icks design is restored.
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6. The bicycle path/ sidew alk is again in service
Simple, quick, sustainable!
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Backfill using RSS Liquid Soil
Much reduced construction time using RSS Liquid Soil
Sewer ConstructionInstallation under congested conditions of a large diameter
The Challenge
The Solution
LOGIC developed a technical solution for Karl Krumpholz Rohrbau GmbH,
who used the properties of RSS Liquid Soil in such a way that the specified
load could be achieved without an expensive reinforced concrete trench bed.
This solution was put into place as an amendment by Karl Krumpholz Rohrbau
GmbH. The project was completed to the client's satisfaction within time and
on budget.
In Bamberg a 2000 mm main sewer had to be installed in the Jckstrae
whilst maintining single lane traffic. Because of the 6-7 m depth, sheet piling
trench support was used which in turn called for an expensive concrete trench
bed. In order to minimise the trench width, partial backfill with RSS Liquid
Soil was specified since it would otherwise not have been possible to finish
construction within the time allowed.
Construction Period
07.2007-10.2007
ContractorKarl Krumpholz Rohrbau GmbH
ClientEBB Entsorgungs- und Baubetrieb
der Stadt Bamberg
ProjectBamberg-Jckstrae
sewer in an open-cut trench using sheet piling
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No disruption to traffic flows
Float-laying a sewer using RSS Liquid Soil
Sewer ConstructionFloat-laying a sewer in difficult ground conditions
The Challenge
The Solution
RSS Liquid Soil and the use of RSS pipe-laying acessories with floating pipe
supports with no fixed connection to the soil bed. This gives consistent soil
conditions which isolate the installed pipes from the heavy trafic loading and
avoids long-term differential settlement.
Installation of a wastewater pipe in very difficult, unstable ground sensitive to
vibration with up to 7 m peat soil at the entrance to the port area of Lbeck.
The area is intensively trafficked by heavy lorries. Avoidance of subsidence
and the production of made ground with similar bearing properties to eventual
nearby road construction particularly in the pipe trench area.
Construction Period03.2007-04.2007
ContractorBaugesellschaft Bergemann + Grper
GmbH & Co. KG
ClientEntsorgungsbetriebe Lbeck
ProjectLbeck-Frankfurter Strae
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Sewer ConstructionBackfill in the road and pavement area
The Challenge
The Solution
RSS Liquid Soil allows all voids in these areas to be backfilled without
subsidence or shrinkage without using mechanical compaction. Damage
may be reliably avoided and the backfilled pipes remain accessible at
any time.
Backfilling around a multiplicity of crossing cables and conduits in an extremely
congested space. Conventional compaction would probably lead to subsequent
subsidence or impact damage.
Backfill with RSS Liquid Soil is void-free
Conventional compaction not possible
Construction Period04.2007
ContractorWolff & Mller GmbH & Co. KG
ClientBerliner Wasserbetriebe
ProjectBerlin-Thaerstrae
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Screening the trench arisings to produce R Liquid SoilSS
Backfill using Liquid SoilRSS
Sewer ConstructionLaying a combined 500 mm sewer
The Challenge
The Solution
Comprehensive trials resulted in the possibility of incorporating this material
into RSS Liquid Soil, used to backfill the trench. Not only was replacing the
soil avoided, but below-ground consistency was restored, reliably avoiding
differential subsidence.
As forecast in the soil investigation, blue clay with up to 20 percent by volume
organic inclusions was encountered. Using traditional methods, all this material
would have been disposed of in a landfill.
Construction Period10.2005
ContractorZMOOS AG
ClientAJS Ingenieurs civils SA
ProjectThielle Wavre/Switzerland
DesignAJS Ingenieurs civils SA
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RSS
Manholes tailor-made for the project
Laying pipes in a narrow trench using RSS Liquid Soil
Sewer ConstructionInstallation of a separate sewer system and a water main
The Challenge
The Solution
The use of Combi-Manholes, specially designed to accomodate local
hydraulic conditions, allowed all the associated pipework to be laid and
backfilled in a trench only 1.25 m wide including shuttering. Since the backfill
was carried out using Liquid Soil, fast and efficient construction under
optimum bedding conditions became possible and the planned removal of
excavated soil was avoided. This resulted in large cost savings and minimal
environmental impact.
RSS
RSS
The project called for complete replacement of the drainage and wastewater
service lines as well as of the mains drinking water supply, under very
congested conditions in poor soil.
Construction Period05.2005-10.2005
ContractorFrank Schfer GmbH
Straen- und Tiefbau
ClientAZV Nebra, Vitzenburg
ProjectVitzenburg-Cross-town link Liederstdt
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Sewer Construction
The Challenge
The Solution
The underground tank was bedded free of subsidence using Liquid Soil.
Damage to the tank insulation and corrosion layers could be effectively excluded
due to Liquid Soil. The silty excavated clay soil was re-used.
RSS
RSS
A rainwater reservoir in a new residential area designed for the stockpiling of
rain water for use as grey water or by the fire services had to be backfilled.
Construction Period05.2005
ClientKnittlingen Municipality
ProjectKnittlingen-Am Rmerweg
Construction of a rain water reservoir
ContractorAm Rmerweg Joint Venture
Harsch GmbH & Co. KG
Karl Heinrich Bauunternehmen GmbH
Drrwchter & Friedrich GmbH
Backfill using RSS Liquid Soil
On-site production of RSS Liquid Soil
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Using RSS Liquid Soil allows narrow trenches
Mobile self-contained plant for the production of RSS Liquid Soil
Sewer ConstructionRelocation of a combined sewer within the existing space
The Challenge
The Solution
The backfill material was produced dust-free on-site by the first mobile mixing
plant specially designed to handle RSS Liquid Soil. The machine was equipped
with special accessories for use with the wheel loader. Quality control was
provided by PROV who gave support during the construction phase to the
complete satisfaction of the client.
Construction was carried out close to surrounding residential property
where RSS Liquid Soil needed to be produced on-site from the existing
excavation. The client was therefore highly demanding in terms of environ-
mental management of the site.
Construction Period10.2004-07.2005
ContractorKllmer GmbH & Co. KG
Client
Gttingen City Water Authority
ProjectGttingen- David Hilbert Str./
Beethovenstrae
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Installing an RSS Manhole
Backfilling an RSS with RSS Liquid Soil
Manhole
Sewer ConstructionInstallation of a separate sewer system
The Challenge
The Solution
The use of RSS system components allowed the full possibilities designed by
the planner to be realised despite cramped site conditions. The RSS Combi-
Manhole allowed drainage and wastewater lines to be connected to a single
manhole. The volume of excavated soil and the consequent space requirement
was reduced by 60% in comparison to a traditional design.
The separate sewer system was designed as a 1000 mm rainwater reservoir
for use as grey water or by the fire services.
Construction Period08.2004-10.2004
DesignI-motion GmbH Ing.-Ges. Fr
moderne Tiefbauorganisation
ClientIlsfeld Municipality
ProjectIlsfeld-Auenstein/Mhlrhein
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Hoisting a large diameter pre-cast
Sewer ConstructionLaying a large diameter sewer in an open-cut trench
The Challenge
The Solution
The use of RSS Liquid Soil led to an optimum organisation of the construction
site. Since quality limits had been certified by PROV from the very start, con-
struction of the road base could be started a few hours after backfilling had
finished. The use of RSS Liquid Soil ensures that no subsidence will occur
and that the best bedding quality will be achieved.
A main sewer had to be installed in Wlfrath without disruption to normal traffic
flows. The construction time and working area had to be reduced to a minimum.
Construction Period05.2004
ContractorDieter Ehlhardt Tief- und Straen-
bau GmbH
ClientWlfrath Municipality
ProjectWlfrath-Main Sewer
Backfilling the trench using Liquid SoilRSS
concrete sewer segment
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Connecting the pipes to the RSS Manhole
Sewer ConstructionInstalling a sewer system under congested conditions in
The Challenge
The Solution
The combination of the RSS Manhole System and RSS Liquid Soil allowed
us to develop a solution for our client which not only respected the design
requests but also prevented damage to buildings and inhabitants by a
vibration-free backfill.
Sewerage, rain water, drinking water and electric lines had to be installed in
very congested conditions amidst a number of historic buildings. It was
important that all the lines be accessible for future maintenance.
Construction Period10.2003-12.2003
ContractorMeliorations-, Straen- und Tiefbau
GmbH Laucha
Client
Laucha Wastewater Authority
ProjectLaucha-Hallesche Strae
a conservation area
Complex service pipe layout -ideal for RSS Liquid Soil
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Service Pipe ConstructionElectricity substation
The ChallengeBackfill of difficult or normally inaccessible areas around electric cables whilst
assuring the eventual dispersion of heat generated by the cables.
Delivery of RSS Liquid Soil
Backfilling electricity cables with RSS Liquid Soil
The Solution
RSS Liquid Soil was installed by concrete pump. The composition was
optimised to ensure much greater heat dispersion compared to that of a
conventional siliceous sand bed.
Construction Period10.2006-12.2006
ContrctorKrause & Co.
Hoch- und Tiefbau GmbH
Clientenvia m
ProjectHerlasgrn-Transformer Station
Weighting cables with RSS Liquid Soil (k )
P Backfilling areas where access is difficultto avoid them floating to the surface
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Service Pipe ConstructionConstruction at a gas and steam plant
The Challenge
The Solution
The complex pipe layout was designed using the RSS System. Whilst
maintaining high quality levels, fast construction was achieved by using
RSS Liquid Soil as backfill.
Complex, space saving site development at a power plant whilst maintaining
normal output at the plant.
Chemical Industrial Park Knapsack
Backfilling an RSS Manhole with RSS Liquid Soil
Construction Period09.2006-10.2006
ContractorEd Zblin AG
ClientSiemens AG
ProjectCologne-Chemical Industrial Park
Knapsack
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Service Pipe ConstructionCreation of more above-ground space
The Challenge
The Solution
By using RSS Liquid Soil the trench was backfilled without voids. The pipes
are then installed in a material which leaves them free of strain and vibration.
Release of land to developers required services to be laid. Reduction of theavailable trench width led to the demand for the optimum backfill.
Narrow trenches permit normal traffic flow
Optimum bedding properties are obtained for service lines backfilled with RSS Liquid Soil
Construction Period06.2006 - 08.2006
ContractorLeonhard-Weiss GmbH & Co. KG
Client
Energie Baden-Wrttemberg AG(EnBW)
ProjectStuttgart-Katharinen-Hospital
by grouping services lines
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Prepared utilities trench
Service Pipe ConstructionDistrict heating
The Challenge
The Solution
RSS Liquid Soil was used for this district heating project. The material avoided
the formation of annular gaps, achieved good contact between the pipe and
RSS Liquid Soil backfill and avoided complex additional measures. All the
properties of the backfill required for use with plastic-jacketed pipes were
certified by the FFI Hannover research institute for district heating.
Ensuring compatibility with the pipe materials and complete void-free
surrounding of the pipes with no annular spaces left after the expansion/
contraction cycle.
Backfilling plastic-jacketed pipes with RSS Liquid Soil
Construction Period10.2005
ContractorSKANSKA Asfalt I/S
Client
local provider
ProjectBors/Sweden
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BackfillBackfilling inside a building
The Challenge
The Solution
PROV provided a special recipe for backfilling large voids with RSS Liquid Soil
which allowed it to be pumped without any problems whilst maintaining its
self-levelling and self-compacting properties..
Backfilling inside a sewage plant.
Construction Period04.2007
ContractorIngo Warnke Tief- und
Rohrleitungsbau GmbH
ClientWaren Municipality - Mritz-Water-/
Authority
ProjectMllenhagen-Sewage works
Delivering RSS Liquid Soil
Pumping RSS Liquid Soil into the building
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Backfilling in layers
RSS Liquid Soil backfill in contact with stainless steel
BackfillBackfilling a stainless steel swimming pool
The Challenge
The Solution
RSS Liquid Soil, which was designed to the special requirements of this
application. Certification regarding chemical compatibility of RSS Liquid Soil
with the pool material was quickly provided by PROV.
Avoiding external stresses and other harmful effects on the swimming pool
material (stainless steel) and ensuring optimum stablity by equalising loading
on all sides though providing a backfill with consistent compressive strength
despite the complex geometry of the load-bearing parts.
Construction Period
03.2007-04.2007
ContractorGB Tiefbau GmbH
Tief,- Kanal- und Straenbau
ClientReichenbach Municipality
ProjectReichenbach-Swimming Pool
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Backfill with no subsidence
Backfilling using RSS Liquid Soil delivered by concrete pump
BackfillBridge abutment at the Sachsenring racetrack
The Challenge
The Solution
RSS Liquid Soil was quickly put into place with the help of a 56 m concretepump with minimal personnel. All geotechnical requirements were more thanmet. Normal business at the Sachsenring was not interrupted.
The client demanded that the bridge abutment had to be backfilled during
normal racing and training operations at the racetrack within a certain time
-frame determined by the project manager.
Construction Period06.2006
ContractorHeli-Bau GmbH
Client
Verkehrssicherheitszentrum amSachsenring GmbH & Co. KG
ProjectSachsenring
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BackfillBackfilling elevated tanks outside a waterworks
The Challenge
The Solution
RSS Liquid Soil was installed with little call on machinery or personnel. As aresult, better final properties were achieved than those possible with traditionalmethods regarding density, the avoidance of subsidence and the absorption ofvibration. The task of a providing void-free backfill was properly carried out.
Due to the complicated geometry of the structure, not every zone could be
backfilled properly using traditional methods.
Construction Period06.2006
Krause & Co.Contractor
Hoch- und Tiefbau GmbH
ClientSdsachsen Wasser GmbH
ProjectEinsiedel-Waterworks
View of the site
Using RSS Liquid Soil to backfill in zones with difficult access
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BackfillFoundations backfill
The Challenge
The Solution
Recycling of excavated soil through the use of led to a
massive reduction of equipment and personnel whilst still achieving the
level grade required.
RSS Liquid Soil
Backfill of block and strip footings to provide a level grade for the subsequent
installation of the hall floor.
View of the site
Preparation of the hall floor using RSS Liquid Soil
Construction Period08.2004
ContractorTiefbau GmbH Weber
ClientFerroform
ProjectLeinefelde-Industrial Park
Backfilling working areas
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Backfilling using a concrete pump to deliver RSS Liquid Soil near an auxiliary bridge
BackfillBackfilling a workspace between a concrete wall and sheet
The Challenge
The Solution
Vibration-free installation was achieved by using RSS Liquid Soil. The backfill
was confirmed free of voids without any subsidence or shrinkage.
The workspace between a concrete wall and sheet piling had to be backfilled
without compaction and free of vibration during normal operation of the railway.
The material had to be pumpable over long distances.
Construction Period06.2004
ContractorIngo Warnke Tief- und
Rohrleitungsbau GmbH
Client
Municipality Waren (Mritz)Bau- und Wirtschaftsfrderungsamt
ProjectWaren (Mritz)
piling at a former railway embankment
Fast filling of the workspace
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Backfilling with RSS Liquid Soil with no
View of the backfill area
BackfillAbsorption of vibration
The Challenge
The Solution
On the basis of its excellent vibration absorption together with simple processing,
RSS Liquid Soil fulfilled all requirements.
A winding machine foundation had to be designed to avoid causing vibration
damage to other machines. Because of tight time constraints, backfill using
soil compacted in layers would not have been possible.
Construction Period03.2004
ContractorMelorations-, Straen- und
Tiefbau GmbH
ClientKartogroup
ProjectLeuna
segregation during pouring