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《Building Science》 2010-01
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Research on Supporting Effect of Piles and Self-Screwed Tube Bolting System in Foundation Pit

HUI Xing-tian~1,XU Gang~1,GAO Xu-jun~2(1.College of Architecture and Civil Engineering,Xi'an university of science and technology,Xi'an 710054,China;2.China Hydropower Survey and Design Advisory Group Northwest Research Institute,Xi'an 710065,China)  
Based on current supporting forms of foundation pit,cables are replaced by self-screwed tube bolting in the anchor pile system,and a reasonable anchor pile supporting system is designed,then,the stability of the supporting system is checked.In addition,the supporting system is analyzed by using finite difference method.The supporting system was used in constructions of the open cut section of Jingshi Passenger Dedicated Lines,and changes of pile top settlement and bolt anchoring force were monitored on site,finding that the anchoring force can raise continually after a period of time,and the maximum pile displacement is only 3.3mm.Therefore,this form of support is fully capable of meeting the support requirements.
【CateGory Index】: TU753
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【Citations】
Chinese Journal Full-text Database 1 Hits
1 ZHANG Jinmin et al;Experimental Study on Soil Stress of Holding Sheet for Supporting System of Pile[J];Underground Space;2002-01
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