›› 2009, Vol. 30 ›› Issue (7): 2087-2090.

• Geotechnical Engineering • Previous Articles     Next Articles

Limit protection depth of soil nailing protection structures

TU Yu-min1, WANG Shi-hong2   

  1. 1. Department of Civil Engineering, Zhejiang University, Hangzhou 310027, China; 2. Construction Bureau of Huaihe Water Resources Commission, Bengbu 233001, China
  • Received:2007-07-16 Online:2009-07-10 Published:2011-03-10

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Abstract:

Soil nailing wall which is developed to protect excavation in soft ground is applied to definite excavation depth. Soil nailing protection structure has the limit excavation depth, namely. The method of confirming the limit excavation depth of soil nailing protection structure is put forward; the limit excavation depth of soil nailing protection structure is studied based on the silt foundation. The influences of soil nailing wall slope, surcharge, physico-mechanical properties, and soil nailing diameter on limit excavation depth are studied. For the excavations in the silt and mucky soil grounds, the limit excavation depths are 5.0 m and 6.0 m respectively.

Key words: soil nailing wall, foundation pit, limit excavation depth, soft ground

CLC Number: 

  • TU 473.2
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