| 基于非饱和土理论的简化强度判断公式研究 |
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| 引用本文： | 梁金国,冯怀平. 基于非饱和土理论的简化强度判断公式研究[J]. 工程勘察, 2011, 0(11): 11-13,34 |
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| 作者姓名： | 梁金国 冯怀平 |
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| 作者单位： | 河北建设勘察研究院有限公司;石家庄铁道大学; |
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| 摘 要： | 非饱和土的抗剪强度理论研究已有近40年的历史,目前研究者提出了多种抗剪强度公式。但是这些公式大多都将基质吸力作为单独一个变量考虑,而实际工程中基质吸力的测试是非常困难的。笔者在研究分析前人提出的抗剪强度公式基础上,进一步归纳出基于区域性土水特征曲线数据库的＂无基质吸力项＂的非饱和土强度判断公式。
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| 关 键 词： | 非饱和土 基质吸力 土水特征曲线 强度判断公式 |
Research on simplified strength equation based on unsaturated soil |
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| Liang Jinguo,Feng Huaiping. Research on simplified strength equation based on unsaturated soil[J]. Geotechnical Investigation & Surveying, 2011, 0(11): 11-13,34 |
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| Authors: | Liang Jinguo Feng Huaiping |
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| Affiliation: | Liang Jinguo1,Feng Huaiping2(1.Hebei Research Institute of Construction & Geotechnical investigation co.,Ltd,Shijiazhuang 050043,China,2.Shijiazhuang Tiedao University,China) |
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| Abstract: | Through around 40 years development unsaturated soil,many types of equations to describe the shear strength of unsaturated soil have been proposed by researchers.Among them,however,suction is regarded as an individual factor.Due to that suction is hard to be measured,the application of these equations is limited.Based on experimental results and the database of SWCC,a new type of formula to describe the strength behavior of unsaturated soil is proposed,among which no suction item is included.Experimental re... |
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| Keywords: | unsaturated soil suction soil-water characteristic curve(SWCC) strength equation |
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