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格构形复合抗滑钢板桩的阻滑机理研究 被引量:5

STUDY OF WORK MECHANISM FOR STEEL-PLATE PILES IN LANDSLIDE
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摘要 首次提出了利用格构形复合抗滑钢板桩来治理滑坡工程的新方法,并从不同的理论角度对格构形复合抗滑钢板桩的阻滑机理进行了研究,提出了设桩后确定滑坡极限剪切破坏面的新方法。通过对实例进行极限平衡法和有限元法的计算分析比较,验证了理论分析结果的正确性。同时,揭示了格构形复合抗滑钢板桩的阻滑机理主要表现在以下两个方面:一是格构形复合抗滑钢板桩的存在,有效地改变了滑动面的形状;二是间接提高滑动面的物理力学参数。 A new method is developed here to ensure the stability state of soil landslide by means of steel-plate piles. Two different ways are adopted for the analysis of work mechanism for steel-plate piles in the landslide. On the basis of the work mechanism of steel-plate piles,a new method is presented for searching the failure surfaces under limit shear situation in the landslide. A case study is conducted with limit equilibrium method and FEM. The numerical results are the same as the results of theoretical analysis. At the same time,the work mechanism of steel-plate piles could be expressed as following. The shape of slide surface is changed because of the existence of steel-plate piles in landslide,and the qualities of physical and mechanical parameters are improved indirectly because of the variation of shape of slide surface.
出处 《岩石力学与工程学报》 EI CAS CSCD 北大核心 2003年第8期1372-1376,共5页 Chinese Journal of Rock Mechanics and Engineering
关键词 抗滑钢板桩 滑坡工程 土力学 极限平衡法 有限元法 soil mechanics,steel-plate piles,failure surfaces under limit shear situation,work mechanism,limit equilibrium method,finite element method
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