Behavior of MSE Wall with Strips and Georgics Reinforcement Subjected To Compaction Loadings
Journal Title: IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE) - Year 2018, Vol 15, Issue 2
Abstract
This paper focuses on the comparison of the behavior of a panel type MSE wall using the existing geosynthetic strip and steel strip reinforcement with the behavior of a suggested design of panel type MSE wall using wider geogrid reinforcement subjected to various compaction loadings and built above bedrock and stiff clay soil foundation. The behavior of the MSE wall is analyzed using finite element method in Plaxis 3D program. The numerical simulations showed that wider geogrid reinforcement exhibited similar lateral displacement with negligible difference compared to steel strip reinforcement having 26 times larger stiffness value. Also, wider geogrid reinforcement obtained higher stability level compared to strip reinforcements. The results may infer that wider reinforcement is better than narrow strip reinforcement despite the high value of stiffness in restraining deformations of MSE wall. This study also showed that the deformations of MSE wall increases and stability level decreases as the application of compaction loading increases and more when the foundation soil softens. Here, the behavior of wider geogrid with respect to strip reinforcements remained consistent upon the application of compaction loadings and change of soil foundation. Moreover, this study infer that compaction should be considered in modelling MSE wall to prevent underestimation of MSE wall deformations, which is important in design and construction.
Authors and Affiliations
Myoung-Soo Won, Christine P. Langcuyan, Sung-Joo Ann, Sang-Duk Lee
Keywords
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- EP ID EP437743
- DOI 10.9790/1684-1502020109.
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