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高速液压夯实机动力学模型试验高速液压夯实机动力学模型试验

, PP. 95-98

Keywords: 筑路机械,土壤,夯实机,力学模型

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Abstract:

针对公路工程中台背填土处工后沉降引起的桥头跳车现象,设计了一种能改善工后沉降的高速液压夯实机。基于土壤力学的半空间理论,建立了高速液压夯实机与土壤的相互作用力学模型,并对高速液压夯实机的压实性能进行了试验研究。结果表明压实度随着夯击次数的增加而增加;夯实6遍,绝对沉降量达到405mm,土壤深度750mm处压实度可达89%。

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