›› 2011, Vol. 32 ›› Issue (S1): 619-0623.

• Geotechnical Engineering • Previous Articles     Next Articles

Study of supporting type for deep foundation pit in areas of rock and soil

ZHU Zhi-hua1, LIU Tao1, 2, SHAN Hong-xian1, 2   

  1. 1. College of Environmental Science and Engineering, Ocean University of China, Qingdao, Shandong 266100, China; 2. Key Laboratory of Marine Environment and Ecology, Ministry of Education, Ocean University of China, Qingdao, Shandong 266100, China
  • Received:2011-02-14 Online:2011-05-15 Published:2011-05-16

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Abstract: Upon rock-soil combinational geological condition in Qingdao, a summary is made to know the main supporting type for deep foundation pit in the area; and draw the conclusion that“ piled anchor in soil and anchor bolt shotcrete in rock” are in common use in such deep foundation pit. Taking two typical deep foundation pits of Licun station in Qingdao metro for examples, finite element method is used to do simulation calculation of the station foundation pits; and it is surely proved that pile-anchor and braced structures are well used in the area, especially in controlling horizontal deformation, the pile internal force and surrounding settlement. The work will greatly help the latter metro design in Qingdao metro construction and provide many ideas for the construction in similar geological conditions.

Key words: rock-soil combination, supporting structure of deep foundation pit, numerical simulation, deformation control

CLC Number: 

  • TV 551.4
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