engineered solution provider in geosynthetics by m. venkataraman standardization of specifications...
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![Page 1: Engineered Solution Provider in Geosynthetics By M. VENKATARAMAN STANDARDIZATION OF SPECIFICATIONS – INDIAN AND GLOBAL PERSPECTIVE](https://reader035.vdocument.in/reader035/viewer/2022062308/56649cd55503460f9499cb5a/html5/thumbnails/1.jpg)
Engineered Solution Provider in Geosynthetics
By
M. VENKATARAMAN
STANDARDIZATION OF SPECIFICATIONS – INDIAN AND GLOBAL PERSPECTIVE
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M.Venkataraman, GWRL.
NEW CHALLENGES
In recent years, while providing a solution, the Engineer has to face increased challenges:
Various site constraints like space, alignments etc.
Tight time schedules
Ensure max. usage of local resources (Material &
Manpower), hence Cost effective!!
Least environment impact
Long term performance & higher Cost benefit ratio over
a larger period of time (Least maintenance cost)
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M.Venkataraman, GWRL.
SOLUTION !!!
USE OF APPROPRIATE GEOSYNTHETIC MATERIALS OFFERS THE POSSIBILITY TO
SOLVE OR DRASTICALLY REDUCE THE PROBLEMS
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M.Venkataraman, GWRL.
GEOSYNTHETICS
GEOSYNTHETICSCONCRETE & STEEL
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M.Venkataraman, GWRL.
• Separation
• Filtration
• Reinforcement
• Drainage
• Containment
FUNCTIONS OF GEOSYNTHETICS
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M.Venkataraman, GWRL.
Geogrids (Uniaxial &Biaxial)
GeotextilesWoven
Geosynthetic Clay Liners
Nonwoven
GeomembranesGeonet
OUR PRODUCT RANGE
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M.Venkataraman, GWRL.
GabionsSteel Wire Polymer Rope
Boulder NetGARMAT
PVD
Anco Drain
OUR PRODUCT RANGE
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M.Venkataraman, GWRL.
GEOSYNTHETICS DIVN.
ENV.PROTECTION INFRASTRUCTURE
LANDFILL ENGINEERING
COASTAL PROTECTION
ROCKFALL PROTECTION
ROADS
RAILWAYS
GROUND IMPROVEMENT
CANAL LINING
FLOOD CONTROL
OUR KEY SECTORS
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M.Venkataraman, GWRL.
PRODUCTS & THEIR
APPLICATIONS
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M.Venkataraman, GWRL.
Woven Geotextile - Separator (Thane, Mumbai)
WOVEN GEOTEXTILES
Geogrid Wraparound Wall at CH. 48 KM & CH. 50 KM,Lucknow - Muzaffarpur National Highway Project
Filter - Woven geotextiles
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M.Venkataraman, GWRL.
Separator - Approach Embankment for Bridge across Vasista, Godavari at Chinchinada, A.P. (N H 5A)3
Reinforcement, Vishakapatnam Airport, Andhra Pradesh
WOVEN GEOTEXTILES
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M.Venkataraman, GWRL.
GEOTEXTILE TUBE - SHORE PROTECTION
Geotextile Tube
HWL
Geotextile Bags Woven
Geotextile
Shore Protection Works :
Shankarpur to Halda, West Bengal, India
WOVEN GEOTEXTILES
Filter Material
Geotextile Bags – Toe ProtectionGeotextile Tube
Geotextile Bags
Geotextile Tube
After installation - During High Tide
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M.Venkataraman, GWRL.
NONWOVEN GEOTEXTILES
Protection Layer,Doodhganga Canal Project, Kolhapur, Maharashtra
Lining of Dry Gypsum Pond, Coromandal Fertilizers Ltd.,Vishakapatnam
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M.Venkataraman, GWRL.
NONWOVEN GEOTEXTILES
Protection Layer in Landfills, HZL, Visakhapatnam, A.P
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M.Venkataraman, GWRL.
Tensar® Geogrid Reinforced Soil Wall System at CSEB, – Inner Side View, towards deck slab (Korba, India)
UNIAXIAL GEOGRIDS
RS Wall with Gabion Facia and Geogrid as reinforcement at Bellary, Karnataka)
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M.Venkataraman, GWRL.
Geogrid Wraparound Wall at CH. 48 KM & CH. 50 KM,Lucknow - Muzaffarpur National Highway Project
UNIAXIAL GEOGRIDS
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M.Venkataraman, GWRL.
Installation of Tensar SSLA30 Biaxial Geogrid at ballast level (Kazipet-Ballarshah section,, South Central Railway)
Subgrade Stabilization using Tensar Biaxial Geogrids
Talasari - Udhava Major Dist. Road, PWD, Maharashtra
BIAXIAL GEOGRIDS
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M.Venkataraman, GWRL.
BIAXIAL GEOGRIDS
Ground Improvement for Tank Foundation, HPCL, Mundra, Gujarat
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M.Venkataraman, GWRL.
Reservoir Lining, Finolex Industries, Maharashtra
Doodhganga Canal Project (Kolhapur, Maharashtra)
HDPE GEOMEMBRANE
Lining of Dry Gypsum Pond, Coromandal Fertilizers Ltd.,Vishakapatnam
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M.Venkataraman, GWRL.
HDPE GEOMEMBRANE
Landfill, HZL Visakhapatnam, A.P
PCMC Landfill, Pune
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M.Venkataraman, GWRL.
Shore Erosion - Swaminarayan Temple, Gujarat, India
POLYMER ROPE GABIONS
Groynes - Varsoli Creek, Alibaug, Maharashtra
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M.Venkataraman, GWRL.
POLYMER ROPE GABIONS
Revetment - Anti Erosion Sea BundMorbhagwa, Gujarat, India
Narmada Bank Protection Works, Madhi, Gujarat
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M.Venkataraman, GWRL.
Reinforced Soil System with Gabion Facia, MRPL, Mangalore
Gabion Facia
GarmatTM
ReinforcedSoil
STEEL GABIONS
Gabion Retaining Wall – Lavasa
Slope Retention works at Sakleshpur – Subhramanya Road Section, South Western Railways, Mysore Division
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M.Venkataraman, GWRL.
GarmatTM Erosion Control Mat (HZL, Vishakapatnam, Andhra Pradesh)
GARMATTM
GarmatTM Erosion Control Mat (Mahanadi Coal Fields, Talcher, Orissa)
Before After
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M.Venkataraman, GWRL.
MRPL, Mangalore
ANCO DRAIN
Anco Drain
Anco Drain
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M.Venkataraman, GWRL.
TECHNICAL SPECIFICATIONS
Properties :
Polymer Composition, Structure & Physical
Properties
Mechanical Properties
Hydraulic Properties
Survivability
Installation Practices
UV Resistance
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M.Venkataraman, GWRL.
TECHNICAL SPECIFICATIONS
Present Scenario:• For any application, the technical specification
includes all the properties as mandatory requirements irrespective of the function to be satisfied
It is significant to specify the properties critical for the function
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Reinforcement - 1
Reinforcement - 2
Strain (%)
Load(kN/m)
2 5
Eg: Reinforcement application
It is more relevant to specify long-term strength & strength at 2% and 5% strain rather than Ultimate Strength
TECHNICAL SPECIFICATIONS
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M.Venkataraman, GWRL.
TECHNICAL SPECIFICATIONS
Dictates the exact materials to be used in a project
No guarantee that the best available product is delivered
They focus on the Specifications and not on the Final Output (Performance)
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M.Venkataraman, GWRL.
Aspects :-
Application
Function
Product
STANDARDIZATION OF SPECIFICATIONS
Primary - Main Properties
Specifications
Secondary - Min. Properties
Any product which satisfies the Primary and Secondary specifications can be selected
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M.Venkataraman, GWRL.
Eg: As per IRC:SP:59-2002 :-
Separation &Filtration functions (unsaturated soils)
AOS = 0.6 mm, Max. Value Permittivity = 0.02 Sec-1,
Min. Value
Subsequently, specifies minimum strength requirements (Type I, II and III) for a geotextile depending on Installation Damage
Any geotextile with satisfies the criteria can be selected
STANDARDIZATION OF SPECIFICATIONS
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M.Venkataraman, GWRL.
Application Functions Products Main Properties
Roads, Retaining
Walls
Separation & Filtration
Woven & Nonwoven Geotextile
AOS & Permittivity
Roads, Retaining
WallsDrainage
Nonwoven Geotextile (needle-punched)
AOS &
In – plane permeability
Roads, Reinforced
Wall & Embankments
Reinforcement
Woven Geotextile & Uniaxial Geogrids
Creep strength & Secant Moduli @2% and 5 %
strain
STANDARDIZATION BASED ON APPLICATION & FUNCTION
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M.Venkataraman, GWRL.
Application Functions Products Main Properties
Pavements - Stabilization &
ReinforcementBiaxial and
Triaxial Geogrids
-Secant Moduli @ 2% & 5 % strain- Aperture Stability- Radial Stiffness- Junction Stiffness- Manufacturing Process
Railways - Trackbed Stabilization
Landfill & Lining ImperviousGeomem
-brane
-Manufacturing Process - Raw Material- Thickness Tolerance- MFI & OIT- Width of he Roll
STANDARDIZATION BASED ON APPLICATION & FUNCTION
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CERTIFICATION – WHY ??
CONFIDENCE IN SELECTION OF PRODUCTS
BY SPECIFIERS / CLIENTS
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CERTIFICATION PROCESS
Comprehensive Assessment:
- Laboratory Testing
- On-Site Evaluations
- Production Inspection
- Consistency in Material Quality
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BENEFITS OF CERTIFICATION
Independently verified technical specifications
Product scope / compliance with relevant
materials / system
Tests – highest level of accuracy
Specifies the durability of the product in the
system
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BENEFITS OF CERTIFICATION
Design considerations
-Long-term strength @ different temperatures
-Installation damage factor for different
size of fill material
-Factor for Environmental effects (pH range)
-Factor for manufacturing, extrapolation &
database
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BENEFITS OF CERTIFICATION
Installation guidance & handling of materials
Limitation / Risks – if any
Monitoring of Product manufacturing during the tenure of the Agrément
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M.Venkataraman, GWRL.
Standardization of Specifications & Certification eventually will help to develop Performance Related Specifications (PRS)
Performance Related Specifications – Why ??
PERFORMANCE RELATED SPECIFICATIONS (PRS)
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M.Venkataraman, GWRL.
Performance specifications describe how the finished product should perform over time
It is the bridge between design, construction quality, and long-term product performance
Specifications that use quantified quality characteristics and life cycle cost relationships correlated to product performance.
PERFORMANCE RELATED SPECIFICATIONS (PRS)
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M.Venkataraman, GWRL.
Performance Parameters
– Depends on the Product and the application
Governing FactorsEnd Result Elements:
- Bearing capacity, stability, settlements, cracking, etc.,
Functional Requirements:- Smoothness, friction, etc.,
PERFORMANCE RELATED SPECIFICATIONS (PRS)
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M.Venkataraman, GWRL.
• Critical Quality Characteristics – Measurable and tied to product performance
• Prediction Tools (modelling and databases)– Verified, calibrated, validated, and made
appropriate for local conditions
• Life Cycle Cost Analyses (LCCA) – To compare the as-designed product section to
the as-built section
PERFORMANCE RELATED SPECIFICATIONS
Fundamental Requirements:
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M.Venkataraman, GWRL.
Improved link between Design and Construction
Improved and focused testing on characteristics related to performance
Promoting best practices to improve quality
Improving Flexibility, Efficiency and Value of the system
Benefits
PERFORMANCE RELATED SPECIFICATIONS
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M.Venkataraman, GWRL.
Adding private sector innovation
Allow contractors more freedom to implement their own procedures, choose their own equipment, and conduct site-specific process control programs
Transferring risk away from the owner
PERFORMANCE RELATED SPECIFICATIONS
Benefits
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M.Venkataraman, GWRL.
Determining good performance criteria and measures
Potential impacts to contractors performance bonds
A drastic change in corporate culture
Openness and Trust Change of Industry mind set Focus on solution rather services Delivery driven by value not cost
PERFORMANCE RELATED SPECIFICATIONS
Barriers
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M.Venkataraman, GWRL.
Premier Institutes and Agencies implementing PRS• FHWA
• AASHTO
• European Union
• UK
• DOT, California (Caltrans)
Winconsin, DOT experienced 36% improvement in highway ride quality & 10% savings in LCC using PRS in Pavements
WORLDWIDE SCENARIO
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M.Venkataraman, GWRL.
ROAD MAP TO THE FUTURE
VISION
Better translation of design and performance requirements into specifications
MISSION
Establish Performance Related Specifications
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M.Venkataraman, GWRL.
ROAD MAP TO THE FUTURE
GOALS
Identify relationships that link design and
construction with product performance
Develop and Implement Performance
Specifications
Freedom to innovate with accountability to deliver
DRIVING FORCE
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M.Venkataraman, GWRL.
REFERENCES
IRC: SP: 59-2002, “Guidelines For Use of
Geotextiles in Road Pavements and Associated
Works”, Indian Roads Congress, 2002.
Developing Performance Specifications -
Consultation response analysis report, January 2004
http://www.highways.gov.uk/roads/3060.aspx
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M.Venkataraman, GWRL.
REFERENCES
INF02 Adopt Performance and Warranty
Specifications to Improve the Quality of Highway
Construction
http://cpr.ca.gov/CPR_Report/Issues_and_Recommendations/Chapter_4_Infrastructure/INF02.html
Performance Specifications Strategic Road Map, 2004http://www.fhwa.dot.gov/construction/pssr04tc.cfm
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M.Venkataraman, GWRL.
M.VenkataramanAdvisor, Geosynthetics Division,
Garware-Wall Ropes Ltd.Plot No. 11, Block D-1, M.I.D.C. Chinchwad, Pune- 411019, India.
Phone: + 91-20-30780000, 30780150Fax: + 91-20-30780350.
Email : [email protected] [email protected]
Website : www.garwareropes.com
THANK YOU