Case Studies

TECHGRID GEOGRID REINFORCED SOIL WALLS WITH MODULAR BLOCK FACIA

M/s Louis Berger Group Inc
Hyderabad, Andhra Pradesh

Project of eight lanning express Hyderabad outer ring road have been awarded to various contractors. M/s KMC Construction Ltd. has awarded the work of reinforced soil wall facia with block as a facia and Knitted and PVC coated polyester Techgrid (TFI-Geogrid) as reinforcing member

M/s Techfab India Industries Ltd. has give a total scope of design, drawings, their approval from Independent Consultant, supply of block making machine and supervision at site.

Construction Of Eight Lane Access Controlled Expressway As Outer Ring Road To Hyderabad City, Phase - II Pedda Amberpet (Km 95.000) To Bongulur (Km108.000) For Hyderabad Urban Development Authority at Hyderabad, Andhra Pradesh

Introduction

Problem Description

Height of Reinforced soil wall is on higher side, around 15 to 17 meter. Considering the soil profile bore log data, need arises to make it safe in global stability analysi

Solution Proposed

The design of the walls was carried out using the BS-8006 / FHWA-NHI-00-043 guidelines and comprised checks for external, internal and global stability under static and seismic conditions. Considering the global stability analysis the berm has been given for the height more than 10 meter.

Minimum 1 meter of berm has been given for the wall height above 10 meter. Global stability checked has been performed for the two tiered wall, along with the external and internal stability checks.

Execution On Site

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

CONCLUSIONS

THE PROJECT WAS SUCCESSFULLY COMPLETED IN MARCH 2010.

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Techgrid PET Geogrid