ENGINEERING PRACTICE OF COMPOSITE END-BEARING PILE FOUNDATION BASED ON SETTLEMENT CONTROL
ZHOU Feng1，QU Wei1，GUO Tianxiang2，LIN Shuzhi1，3
(1. Transportation College，Nanjing University of Technology，Nanjing，Jiangsu 210009，China；
2. Xiamen New Area Architectural Design Institute，Xiamen，Fujian 361003，China；
3. Xiamen Construction and Administration Bureau，Xiamen，Fujian 361003，China)
Abstract：The end-bearing piles do not meet normally the deformation compatibility between piles and soils. The deformation adjustors were thus designed to make the deformation of piles and soils compatible. The deformation adjustors were placed on top of the piles so that the end-bearing piles and soil layers together form a composite foundation. The foundation soil carried the most of the superstructure load and the purpose of the settlement control of the building was achieved with the end-bearing piles carrying the rest of the load. This method was applied in practice where the bearing capacity of natural foundation could meet the requirements but the settlement of the building was too large. Using the method presented in this paper，the foundation soil bore 55% of the superstructure load and the settlement was controlled well. A series of monitoring data showed that the scheme of the end-bearing composite pile foundation based on settlement control was reasonable and effective.
2015, Vol. 34 
