›› 2009, Vol. 30 ›› Issue (S2): 9-12.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Analysis of mechanism of loess arching

Zhao Xue-meng, Wang Lu   

  1. 1.Xi’an Road Institute, Xi’an 710054, China; 2.School of Information, South China Agricultural University, Guanzhou 510640, China; 3.Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guanzhou 510640, China
  • Received:2009-08-10 Online:2009-08-10 Published:2011-06-21

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Abstract:

There are a lot of people inhabitancy caves locating in loess zone. The loess mass surrounding cave can be supported by loess arching formed in the process of excavation, which can maintain the stability of caves. The shape of arch in loess cave excavation was determined by the limit sliding line method and verified by the site measurement information. The bearing force of arch and stability parameter of wall rock was calculated by the limit sliding line method. It is shown that two kinds of earth pressure method determined loads on lining structure can be the same with the different suitable conditions

Key words: loess arching, bearing mechanism, analytical method, stability

CLC Number: 

  • T 432
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