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《Journal of Chongqing Jiaotong University(Natural Science)》 2008-03
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Calculating Principle of Tunnel in Debris Flow's Structure

WANG Lin-feng,TANG Hong-mei,CHEN Hong-kai(Institute of Geotechnical Engineering,Chongqing Jiaotong University,Chongqing400074,China)  
The most effective way to go through the large-scale debris flow's sedimentary region is the tunnel in debris flow.The key point of the tunnel in debris flow's calculation is how to define the load case.The main differences of structure calculation is the tunnel in debris flow bears the pound of debris flow.When the debris flow breaks out,tunnel in debris flow has two cases.One is deposition,and the other is flush.We can calculate the tunnel in debris flow's internal force by structure mechanics.At the same time,we must consider the tunnel's longitudinal stability,because the tunnel is lay in the debris flow.
【Fund】: 交通部人才基金项目(95050508)
【CateGory Index】: U451
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