Case Studies

TECHGRID GEOGRID REINFORCED SOIL WALLS WITH DESCRETE PANEL FACIA

BSCPL Infrastructure Ltd.
Lucknow-Muzaffarpur

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.

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)

Introduction

Problem Description

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.

Solution Proposed

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.

Execution On Site

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

CONCLUSIONS

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.

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