长江科学院院报2019，Vol.36Issue(2)：106-110,121,6.DOI:10.11988/ckyyb.20170786
土工袋挡墙变形特性有限元分析
Numerical Simulation of Deformation Behavior of Retaining Wall Constructed with Geobags by Finite Element Method
摘要
Abstract
As a new type of reinforced retaining structure, retaining wall constructed with geobags has been widely used in a variety of engineering fields, such as water conservancy, communication and construction, which contrib-utes to complex and varied working conditions. The finite element software GTS is used to study the deformation be-havior of retaining wall constructed with geobags under different conditions. The simulation results show that slope gradient, height-width ratio, and surface load have great effects on the deformation behavior. Slope gradient deter-mines the shape of deformation and the location of turning point on deformation curve. When slope gradient decrea-ses, the horizontal displacement at the top of retaining wall shrinks rapidly. Lower height-width ratio results in less deformation, and such effect of the decrease of height-width ratio intensifies when slope gradient gets larger. With the increase of surface load, flexural deformation intensifies and the turning point gradually moves upward within a certain range. In conclusion, the deformation shape of retaining wall is determined by slope gradient, while deform-ation amount is affected by height-width ratio and surface load.关键词
土工袋挡墙/变形特性/有限元/坡度/高宽比/填土表面荷载Key words
retaining wall constructed with geobags/deformation behavior/FEM/slope gradient/height-width rati-o/surface load分类
建筑与水利引用本文复制引用
杨蒙,王建磊,宋迎俊,王涛..土工袋挡墙变形特性有限元分析[J].长江科学院院报,2019,36(2):106-110,121,6.基金项目
国家自然科学基金项目(51508114,41561015) （51508114,41561015）
广西自然科学基金项目(2015GXNSFBA139212) （2015GXNSFBA139212）
