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《Sichuan Building Science》 2009-06
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Finite element method analysis of a bridge extended foundation in red stratum soft rock region of western China

ZUO Li,ZENG Xiangyong (Constuction Committee,Dadukou District,Chongqing 400084,China)  
Take an example of strength and deformation property of red stratum soft rock foundation subjected compound load of vertical force,horizontal force and moment,an extended foundation of Linjiawan bridge No.1 pier of Yulin expressway Ⅰ contract part in western region of China is analyzed by finite element method.Analysis results show that settlement of red stratum soft rock is rather small and can generally fit the requirement of Chinese code of footing and foundation design of highway bridge and culvert(JTJ024-85),but influence of horizontal force and moment which act on the top of bridge extended foundation is relatively great.So this should be well concerned when design the bottom size of foundation and make the maximum reacting force on the bottom of extended foundation fit the requirement of red stratum soft rock bearing capacity.
【CateGory Index】: U443.1
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China Proceedings of conference Full-text Database 1 Hits
1 CHENG Qiang;HUANG Shao-bin;ZHOU Yong-jiang Sichuan provincial communication department highway planning survey design research Institute,Cheng du 610041 China;THE ENGINEERING GEOLOGY CHARACTERISTIC AND HIGHWAY DISEASE IN RED BEDS[A];[C];2004
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Chinese Journal Full-text Database 2 Hits
1 CHENG Qiang KOU Xiaobing HUANG Shaobin ZHOU Yongjiang (Institute for Highway Plannings Survey and Design, Sichuan Provincial Communications Department, Chengdu 610041 );THE DISTRIBUTES AND GEOLOGIC ENVIRONMENT CHARACTERISTICS OF RED BEDS IN CHINA[J];Journal of Engineering Geology;2004-01
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