| 不同试验方法的剪切强度指标与地基承载力计算 |
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| 引用本文： | 唐世栋,罗志琪. 不同试验方法的剪切强度指标与地基承载力计算[J]. 工程勘察, 2005, 0(4): 5-8 |
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| 作者姓名： | 唐世栋 罗志琪 |
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| 作者单位： | 同济大学地下建筑与工程系,上海,200092;同济大学地下建筑与工程系,上海,200092 |
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| 摘 要： | 结合抗剪强度指标的选取对地基承载力计算结果的影响,讨论了用三轴剪切试验指标取代直剪试验指标来计算承载力时,上海地区地基承载力计算方法及其修正的问题。根据工程资料的对比分析,分别对上海市地基规范的计算方法和国家地基规范的计算方法提出了相应的修正,使上海地区地基承载力的最终计算值与原来用直剪指标计算的承载力结果相符合,从而接近实测值。
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| 关 键 词： | 剪切试验 抗剪强度指标 修正系数 地基承载力 |
Shear Testing Parameters from Different Methods and the Calculation of Bearing Capacity of Foundation Soils |
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| Tang Shidong et al.. Shear Testing Parameters from Different Methods and the Calculation of Bearing Capacity of Foundation Soils[J]. Geotechnical Investigation & Surveying, 2005, 0(4): 5-8 |
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| Authors: | Tang Shidong et al. |
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| Affiliation: | Tang Shidong et al. |
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| Abstract: | Based on the selection of shear testing parameters and the influence to the calculation results of the bearing capactity of foundation soils,the calculating methods of the bearing capacity and its modification in Shanghai are discussed when the parameters from the direct shear tests are substituted by the parameters from the triaxial shear tests.Through the comparison and the analysis on the testing data, the corrections for the calculation methods from the Shanghai Foundation Design Code and the National Code for Design of Building Foundation are give.It is shown that the final results are close to the original values from direct tests and the actual values. |
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| Keywords: | shear test parameter of shear strength coefficient of correction bearing capacity of foundation soil |
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