›› 2006, Vol. 27 ›› Issue (S1): 889-892.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Experimental study of precast tubular pile and mixing cement pile composite foundation

SHI Shang-wei1, 2, XU Li3, XIE Xin-yu1   

  1. 1. Institute of Geotechnical Engineering, Zhejiang University, Hangzhou 310027, China; 2. Zhejiang Urban Building Design Group, Hangzhou 310003, China; 3. Sinopec Hangzhou Refinery, Hangzhou 310015, China
  • Received:2006-05-05 Published:2006-12-15

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Abstract: The settlement and uneven settlement are the key problems subjected to the design theory for tier buildings on deep soft ground. Taking an important project in Wenzhou City as background, the application of the composite foundation of pre-cast tubular pile and mixing cement pile was introduced. Based on the in-site loading test, the major engineering characteristic of this type of composite foundation was studied. Settlement, the stress ratios and load ratios of piles to soil were analyzed carefully. The results show that the stress ratios of tubular piles to cement mix pile and the stress ratios of piles to soil vary little during the load testing, the bearing capacities of soil can exploit quite fully. It will be provided as references for future design and research.

Key words: rigid-flexible composite foundation, stress ratio of pile to soil, loading ratio, bearing capacity

CLC Number: 

  • TU 473.1
  • 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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