【摘要】 结合某海堤真空-堆载联合预压现场试验,根据海堤地基的变形特点,对真空-堆载联合预压处理的海堤软基应用三维Biot有限元进行了计算,该模型简化条件较少,可以考虑塑料排水板的空间分布等因素,将计算结果与实测数据进行了比较、分析。由于不必考虑转化为平面问题时带来的与实际情况不符的矛盾,计算结果与实测值较为吻合。分析了有限元计算的误差原因,对今后的相关研究提供了建议和参考。更多还原

【Abstract】 According to the deforming characters of seawall foundation,the 3-D Biot consolidation FEM model is proposed here for a seawall foundation improved by the vacuum and load-accumulation combined preloading method.This model is simple and may consider such factors as the spatial distribution of PVD and so on.A practical seawall foundation engineering is computed and analyzed by this model,and the computed results are in good agreement with the measured data,because it has no contradiction between the model and the actual situation.The error causes of FEM is also analyzed,which could provide advices and references for the future research.更多还原