Abstract：Research purposes: The purposes are to solve the problems existed in present computing method for vertical bearing capacity of pile foundation and the problems related to the vertical independent distortions each other between pile and soil mass system.
Research methods: First the appropriate load transfer function model is obtained through the analysis of distortion mechanism of pile and soil mass system，then，the analysis and research are made on vertical bearing capacity of pile foundation based on the principle of compatibility of deformation between pile and soil mass system.
Research results: Aiming at the existing problems existed in the computing method for vertical bearing capacity of pile foundation，a new computing method is proposed，by which the vertical deformations between the pile and soil mass system can be calculated compatibly.
Research conclusions: The result shows the contradiction of separate calculating the vertical bearing capacity of pile foundation and the vertical displacement can be solved and the requirement of engineering design can be satisfied by adopting this computing method for vertical bearing capacity ， which is formed mainly on the basis of principle of compatibility of deformation and load transfer method
2007, Vol. 24 
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