Soil Engineering and Foundation

›› 2011, Vol. 25 ›› Issue (2): 86-.

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Application of Magnetic Gradient Method in Length Testing of Reinforcement Steel Cage in Drilled Pile

ZHANG  Jian  lu1, WANG  Hai  ming2, SUN  Xiu  rong3, ZHAO  Zhu  zhan3   

  1. (1. Hangzhou Fanghui Construction Engineering Testing Co., Ltd, Hangzhou  311100; 
    2. Zhejiang No. 4 Geological Team, Shaoxin Zhejiang  310000; 
    3. Shenfeng Institute of Geological Techniques Co., Ltd., Shanghai  201107, China)
  • Received:2010-04-19 Online:2011-04-20 Published:2012-01-13

Abstract: During the construction of pile foundation, the potential quality trouble was resulted from the shortage of reinforcement steel cage in the drilled pile. The geophysical magetic gradient method was used to test the reinforcement steel cage's number and its length, and the result was satisfied.