›› 2006, Vol. 27 ›› Issue (7): 1129-1132.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Study on calculational method of ground settlement induced by level parallel pipe jacking

WEI Xin-jiang, WEI Gang   

  1. Department of Civil Engineering, City College Zhejiang University, Hangzhou 310015, China
  • Received:2004-08-02 Online:2006-07-10 Published:2013-11-19

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Abstract: The interaction of two level parallel pipe jacking is analyzed; and the calculation of lateral disturbance scope is advanced. Considering the effects of former pipe jacking on the latter, a new calculational method for ground settlement of latter pipe jacking is put forward with an analytical calculation example. It is shown that the ground settlement produced by middle zone is greater because of double disturbance during parallel pipe jacking construction. Also, the surrounding soil disturbance due to former pipe jacking construction will strengthen the disturbance during latter pipe jacking construction when the axes of two pipe jacking are in close quarters. Thus, the maximum ground settlement and width of settlement trough during latter pipe jacking construction become greater. In addition, curves of ground settlement are dissymmetric for latter pipe jacking and can still be calculated with Peck formula. The maximum settlement point on curves leans towards the side of former pipe jacking.

Key words: parallel pipe jacking, ground settlement, ground loss, soil disturbance

CLC Number: 

  • TU 434
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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