Abstract
A New Load Transfer Model of Skin Friction for Super-long Pile Under Axially Load
Highlights
The load transfer method proposed by Seed and Reese [1] was a commonly used method to solve the bearing capacity and settlement of single pile and pile groups
Yao et al [3] introduced the trilinear model to take into account the softening of skin friction, and established the analysis model of super-long piles under overload
1) It is a new load transfer model proposed in this paper to analyze the softening and strengthening characteristics of skin friction of super-long piles
Summary
The load transfer method proposed by Seed and Reese [1] was a commonly used method to solve the bearing capacity and settlement of single pile and pile groups. In view of the above research, this article proposes a new load transfer model for super-long piles considering the softening and strengthening of skin friction. The model can fully simulate the softening and strengthening characteristics of skin friction, which is more consistent with the actual mechanical properties of super-long piles. It has the advantages of clear physical meaning and a simple selection of the parameters. Based on the characteristics of skin friction of superlong piles, a load transfer model that considers the softening of skin friction is proposed [11]. The accuracy and applicability of the model proposed in current research are verified
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