ZENG You-jin, ZHANG Wei-min, WANG Nian-xiang, et al. Determination of effective length of a common pile in deep overlay soil layers with secant rigidity of pile[J]. 2003, 24(5).
ZENG You-jin, ZHANG Wei-min, WANG Nian-xiang, et al. Determination of effective length of a common pile in deep overlay soil layers with secant rigidity of pile[J]. 2003, 24(5).DOI:
The control method of secant rigidity of pile is put forward in order to determine effective length of pile based on the definition of effective length of foundation pile brought forward. It is applied to determine effective length of a common pile in deep overlay soil layers with linearly elastoplastic load transfer function. Influential factors of effective length such as coefficient of rigidity of pile
pile’s diameter
top settlement of pile
side ultimate displacement
elastic modulus ratio of the bottom soil and surrounding soil and Poisson’s ratio
are thoroughly analyzed. The results show that the factors have certain effects on effective length of the common pile except elastic modulus ratio of the bottom soil and surrounding soil
and Poisson’s ratio. In order to apply to practical project
it is studied how to confirm parameters in the project.