劳俊源

土拱由于其复杂的力学性质，对桩支土工格栅加筋土路堤的性能有重要影响。本文以某路堤为研究对象，建立了三维有限元模型，研究了路堤施工及静载试验过程中土拱的发展规律。通过将桩承台土压力的变化与仪器完备的全尺寸模型试验的实测数据进行比较，验证了该模型的正确性。计算结果与实测数据吻合较好。实验结果与数值计算结果一致。

土拱；三维有限元模型；路堤施工；静载试验

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