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TECHGRID GEOGRID REINFORCED SOIL WALLS WITH DESCRETE PANEL FACIA


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PROJECT DESCRIPTION
Project:

Four Lanning Of Lucknow-Muzaffarpur Section on NH-28, Civil Contractor Package No. LMNHP EW-II (WB), Package 06 (Km 208.00 – Km 251.70)

Client:

National Highway Authority of India

Contractor:

BSCPL Infrastructure Ltd.

Consultant :

Roughton International – Consulting Engineers Group Ltd. (JV)

Erection of RS Wall
Erection of RS Wall
Elevation of RS Wall
Elevation of RS Wall
SALIENT FEATURES
Wall Facing Area:

18100 Sqm

Wall Height:

1.5m to 7.5m and 2.0m to 9.5m

Soil Reinforcement:

TechGrid knitted & PVC coated polyester Geogrids with Tensile Strength Of 40 to 250 KN/m

Facing:

Descrete Panel Fascia

Design Methodology:

BS 8006: 1995 (Static Condition) FHWA-NHI-00-043 (Seismic Condition)

TFIIL’s scope of work:

Detail designs & drawings, supply of Geogrids, Moulds for Discrete Panels, Nonwoven Geotextile & Supervision of construction

The Project:

M/s BSCPL Infrastructure Limited has awarded the work of Reinforced soil wall to M/s Techfab India Industries Ltd. The scope of work include, design of reinforced soil wall, their approval, submission of drawings, supply of moulds and supervision at site. Reinforced soil wall structure with height ranging from 1.5 meter to 9.5 meter.

The Challenge:

There is a poor soil strata area for foundation, for which the safe bearing capacity has been worked out lesser than the required bearing pressure at particular height. Need is arises for the ground improvement to increase the safe bearing capacity.

The Solution:

Detailed soil investigation has been carried out and based on the borelog data, ground improvement analysis has been done with replacement at various depths from ground level with good quality granular fill. Also layers of Geosynthetic material has been suggested along with the replacement.

Isometric View of Segemental Panel

The design of the walls was carried out using the BS 8006: 1995 for Static Condition & FHWA- NHI-00-043 for Seismic Condition, which comprised checks for external, internal and global stability under static and seismic conditions.

Construction of the wall was carried out under the supervision of TechFab India Industries Ltd’s supervision.

The project was successfully completed in September 2009.
FOR FURTHER DETAILS

TechFab India Industries Ltd.
711/712, Embassy Centre,
Nariman Point, Mumbai – 400021

022-2287 6224/6225

022- 2287 6218

anant@techfabindia.com

www.techfabindia.com

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