挤压边墙设计参数对堆石坝面板应力与变形的影响研究

Study on stress-strain effect from design parameter of extrusion side wall on face-lab of concrete face rockfill dam

为深入研究挤压边墙对面板的应力变形及接缝变形的影响,本文运用有限元数值分析方法,对不同尺寸、不同弹性模量的挤压边墙对面板影响进行对比分析,结果表明,挤压边墙改善了面板的应力情况,缓解了接缝的变形,而且随着设计参数的提高效果愈是明显。

In order to study the effect of extrusion side wall on the stress-strain of the face-slab and the joint deformation of concrete face rockfill dam,a comparative analysis on the effects from the extrusion side walls with various dimensions and various modului is made with the finite element method. The result shows that the extrusion side wall can not only improve the stress status of the face-slab,but can also alleviate the joint deformation,and furthermore,the effect becomes more and more obvious along with the rise of the design parameter.