Research on Internal Force Analysis of Shaking Table Test for Prestressed Pipe Piles Used in Tang Shan-Cao Feidian Expressway

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Abstract:

In order to study the applicability of pipe piles in Tang-Cao expressway, shaking table model test was carried out. The results shows that, the internal force distribution of the pile under the action of seismic wave is basically the same with the behavior that is under the action of sine wave ; in the position of the 4 times pile diameter (distance the top of the pipe model about 200mm) appears the maximum axial force and bending moment; the change of the additional axial force in the upper portion of the pile is more complex, and tends to increase downward; the change of the moment tends to stable blow the distance of 20times the pile diameter from the pile top (distance the top of pipe model about 1000mm)

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750-754

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August 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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