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工程力学  2013 

挤扩支盘桩中支盘破坏形态的试验研究

DOI: 10.6052/j.issn.1000-4750.2012.01.0041, PP. 188-194

Keywords: 挤扩支盘桩,支盘,荷载-位移曲线,破坏形态,承载力

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Abstract:

用YAW-5000型微机控制电液伺服压力试验机对挤扩支盘桩中的支盘模型试件进行了荷载试验,测定了支盘的荷载-位移全程曲线,揭示了试验条件下的支盘破坏形态为斜压破坏;根据试验结果,建立了考虑混凝土强度、支盘的高宽比和盘径比等因素的支盘承载力计算公式,完善了支盘的强度设计及计算理论。

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