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Deficiency in Design of Anchors (cable-anchors)-frame for Cut Slope and Its Counter measures |
JIANG Chu-sheng, LI Jun, LIQ ing-ha,i HE Gang |
China Railway Eryuan Engineering Group Co. Ltd., Chengdu, Sichuan 610031, China |
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Abstract Research purposes: Based on the introduction of the current situation of using anchors to reinforce the cut slope, the analysis ismade for the deficiency in design of the anchors (cable -anchors) -frame for the cut slope.Based on the theory of reinforcing the slope, the analysis ismade for the durability of the anchors (cable -anchors) -frame, and the feasible antisepicmeasures are offered for the anchors (cable -anchors) -frame.
Research conclusions:From the analysis of the deficiency in the previous design, it is pointed out that the length of anchors(or cable -anchors) mustbe selected reasonably according to the slope -ratio and the bed parameters, and the potential sliding-surface of a slope would be determined on the base of the stability analysis at first for ensuring the anchors(cable -anchors) fixed in the stable bed. The anchors(or cable -anchors) would be painted with epoxy,chlorosulfonated polyethylene coatings, or insulated by a iron wire -netdirectly, or the integrated antisepic measures would be taken for the anchors. Adopting these measures could insulate the touch of eroding matter with the reinforcements(cables). Especially the physical insulation could cutoff the continuity of the cracks caused by the tensile force, obtaining a very good protection effectand ensuring their service life availably.
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Received: 20 February 2009
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[1] 刘成宇.土力学[M ].北京:中国铁道出版社, 1995.
[2] 李同录,邓宏科,李萍,等.搜索简单土坡潜在滑动面的一种新方法[J].长安大学学报, 2003(3): 56 -59.
[3] 陈祖煜.土质边坡稳定分析.原理.方法.程序[M ].北京:中国水利水电出版社, 2003.
[4] 李靖,等.黄土边坡稳定性图解法[J].岩土工程学报,1998(4): 40 -44.
[5] 蒋楚生.圆弧滑面滑坡稳定系数的数值分析法[J].路基工程, 2004(1): 52 -56.
[6] 蒋楚生.土质边坡采用二次曲面搜寻最不利滑面的理论解法[J].路基工程, 2005(1): 1 -3.
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