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Effect of reinforcement, backfill and surcharge on the performance of reinforced earth retaining wall
Published in Asian Research Publishing Network
2018
Volume: 13
   
Issue: 9
Pages: 3224 - 3230
Abstract
Behaviour of reinforced retaining wall depends upon the type of back fill soil, foundation soil and reinforcements used in the system. In the present study, reinforced wall had been analysed using finite element numerical tool PLAXIS 2D. Different types of reinforcements such as, HDPE Geogrid, PET Geogrid and Ribbed steel strip were used for wall. Also, backfill and foundation soil was varied with different types such as, sand, gravel, silt, clay. Walls deformations, ground settlement behind the wall and facing panel deformations were observed for different types of reinforcements, backfill and foundation soil. Ground settlements are found to be lesser for steel reinforcements behind the wall along the horizontal profile. HDPE and steel reinforcements are found to be more reliable, because deformations and settlements found to be less compared with PET Geogrid. Gravel found to exert lesser wall deformation because of its good drainage property. Even the settlements behind the wall were found to be lesser for gravel material. Hence it is adopted as good backfill and foundation material. Also, effect of surcharge loads on behaviour of MSE wall was studied. It was observed that, for smaller magnitude surcharge loads, deformations observed were less. © 2006-2018 Asian Research Publishing Network (ARPN).
About the journal
JournalARPN Journal of Engineering and Applied Sciences
PublisherAsian Research Publishing Network
ISSN18196608
Open AccessNo