Three-Dimensional Finite Element Modeling of Geosynthetic-Reinforced Soil Structure subject to Lateral Loadings

• Main Authors: RUEI-SYUN JHANG, 張瑞勳
• Other Authors: Fu-chen Teng
• Format: Others
• Language: zh-TW
• Published: 2018
• Online Access: http://ndltd.ncl.edu.tw/handle/2fe523

碩士 === 國立臺灣科技大學 === 營建工程系 === 106 === Geosynthetics-reinforced soil (GRS) structures are now widely used in various engineering projects. Numerous factors have fostered the acceptance of MSE retaining structures such as the suitability for various terrains, low carbon emission, and considerable ability to withstand sizeable deformations without structural distress. In addition to selfweight and vertical surcharge, GRS structures have also been used recently as barriers to resist lateral forces from natural disasters, such as floods, tsunamis, rockfalls, debris flows, and avalanches. In this thesis, a 3D finite element (FE) model of a back-to-back GRS wall subjected to lateral loadings was first developed and validated using the physical model test results reported by Shinoda et al. (2003). After the model was validated, a series of parametric studies was conducted to evaluate the influence of facing thickness and loading types on the mechanical behavior, failure mode, and mobilization of reinforcement tensile loads of the GRS wall. The finding and results obtained from this study were discussed.