Landmark reinforced earth wall in Karnataka
Peinforced Earth India Pvt. Ltd, a wholly owned subsidiary of Soletanche Freyssinet Group, has completed the construction of reinforced earth structures along the Hungund-Hospet highway project on NH-13 in Karnataka. The contract was awarded by GMR Infrastructure Ltd
The main NHAI project involves four-laning of a 99.05km stretch on NH-13 on DBFOT basis. The 19-year concession period includes construction time of 30 months. GMR is developing the project with Oriental Structural Engineers Pvt. Ltd as a consortium partner. It comprises the construction of two flyovers, two railway overbridges, and one vehicular and pedestrian underpass each. All these structures have been built with reinforced earth structures with an overall quantum of 50,000 sq. m.
A detailed study was carried out by Reinforced Earth India. GeoMega technology with full synthetic connection between
The design was carried out considering the angle of internal friction of backfill soil as 32°. However, GMR arranged a backfill soil, which was well graded and the angle of internal friction was 34°. This good quality backfill soil ensured there was no movement in panel face and no closure of joints. The maximum wall height in the entire project was 13.81m and the project was executed well within the timeframe.
The reinforced earth wall stands tall as a landmark project in this part of Karnataka.