上海地区扁铲侧胀试验计算地基承载力的探讨

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Study of Foundation Soil's Bearing Capacity Calculation Based on DMT in Shanghai Region

1. Department of Geotechnical Engineering, Tongji University, Shanghai 200092;
2. Shanghai Geotechnical I nvestig ation & Design Institute Co. Ltd., Shanghai 200002 China

摘要: 通过对扁铲侧胀试验和试验机理的研究和对试验指数的对比分析,提出了用扁铲侧胀试验计算地基承载力的方法;利用上海地区部分重大工程中的扁铲侧胀试验数据,在与室内土工试验、静力触探试验及十字板剪切试验的相关分析的基础上,经数理统计后给出了上海地区用扁铲侧胀试验计算地基承载力的经验公式。最后,通过与室内土工试验、静力触探试验和十字板剪切试验计算的地基承载力对比,分析了本经验公式计算地基承载力的精度。研究分析表明,可以用扁铲侧胀试验计算地基承载力。
- 扁铲侧胀试验 /
- 扁铲模量 /
- 地基承载力
Abstract: From research on flat dilatometer test (DMT), the method of calculating bearing capacity of foundation by DMT is put forward. Take advantage of many DMT tested data from several projects in Shanghai, through the contrast and analysis with laboratory test, static sounding test and vane shear test, the formulae of calculating bearing capacity of foundation are given, and the precision of the formulae is studied. The conclusion shows that the method is feasible.
- flat dilatometer test （DMT） /
- dilatometer modulus /
- bearing capacity of foundation