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Based on the particle flow code and PFC program, this paper simulates the driving course of a jacked pile, analyses the variation of pile tip resistance with driving speed for three kinds of piles which are the flat pile, 120° tapered pile and 60° tapered pile, and analyses the varing curves of pile lateral friction with different driving depth. Further more, there are some preliminary conclusions...
The symplectic system method is introduced into the quasi-static analysis for axial symmetric problems of the viscoelastic hollow circular cylinder, with the emphasis on the local effects. By employing the method of separation of variables, all the fundamental eigenvectors of the governing equations are obtained directly. The combinations of the eigenvectors can describe the classical Saint-Venant...
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