Case Studies

TECHGRID GEOGRID REINFORCED SOIL WALLS WITH SEGMENTAL PANEL FACIA

L&T, ECC Division, Ahmedabad
Palanpur - Swaroopgunj

L & T ECC Ltd. 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.

There are approaches for ROBs, flyovers and vehicular underpass for reinforced soil work. Total stretch for the project is starts from the Palanpur in Gujarat state to Swaroopgunj in Rajasthan state, India.

Strengthening & Widening of Road at Palanpur - Swaroopgunj Package on NH-14

Introduction

Problem Description

Size of the panel has been selected by the client, i.e. 1.25m x 0.6m. It has been decided to use this panel with PET Geogrid with friction / tongue and groove connection. Designs must be checked for the connection strength for this type of panel-Geogrid arrangement

Solution Proposed

Testing has been done at IIT-Madras for the friction based connection for Techgrid-PET with this
panel type.

Design has been checked and verified with consideration of test results and ensured the
tension in Geogrid is less than the available connection strength at particular normal pressure

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 November 2009.

Related Products

Techgrid PET Geogrid