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Numerical Simulation of Slope Supporting for Prestressed Anchor with Frame Beam
Pages: 307-310
Year: Issue:  3
Journal: Journal of Earch Sciences and Environment

Keyword:  滑坡预应力锚索框架梁锚固数值模拟FLAC-3D;
Abstract: 基于贵阳市小河区某公路滑坡,拟采用预应力锚索框架梁进行治理.通过FLAC-3D软件对这一支护体系进行效果评价,得出位于支挡面上部的结构体系受力较大,其中竖梁所受弯矩要大于横梁,运用时宜加强竖梁的设计.支挡面顶部的滑体位移要大于底部,由于锚索不能承受压力,致使框架梁发生转动,因此设计时宜把底部一排的锚索换成全黏结锚杆.锚固长度为6 m时支护效果最佳,增大锚固长度对支护效果没有实质性的提高.
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