›› 2006, Vol. 27 ›› Issue (S1): 434-438.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Sensitivity analysis of construction parameters of layered settlement induced by double-O-tube shield

SUN Tong-li1，ZHANG Qing-he1，HU Xiang-dong1，WENG Cheng-xian2   

  1. 1. Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China； 2. Lintong International Engineering Consultant(Chongqing) Ltd. Chongqing 401121, China
  • Received:2006-04-29 Published:2006-12-15

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Abstract: Based on the section tunnel construction of M6 rail transit project No.Ⅸ bid in Shanghai, the sensitivity analysis of construction parameters were carried out. During the construction, the parameters of cabin pressure, grout volume of shield tail, advance velocity were rectified designedly. The layered settlement of transverse and longitudinal sections induced by the construction of double-O-tube shield (DOT) in soft clay region was monitored continuously in-situ. The conclusion can be as reference for optimizing of the construction parameters, lessening the extent of environmental influence of soil engineering.

Key words: DOT shield, layered settlement, environmental influence of soil engineering, sensitivity analysis

CLC Number: 

  • TV 554
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