| 考虑筋材对土体损伤的加筋土强度研究 |
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| 引用本文： | 雷胜友. 考虑筋材对土体损伤的加筋土强度研究[J]. 三峡大学学报(自然科学版), 2010, 32(6): 42-46 |
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| 作者姓名： | 雷胜友 |
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| 作者单位： | 长安大学公路学院,西安710064 |
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| 基金项目： | 国家自然科学基金，陕西省自然科学基金，地质灾害防治与地质环境保护国家重点试验室开放基金，陕西省交通科技项目，长安大学《土质学与土力学》精品课建设项目资助 |
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| 摘 要： | 从试样三轴剪切受力条件出发,分析了损伤土、素土和加筋土的极限应力莫尔圆的几何关系,得到了三者在强度联系上的数学表达式,讨论了加筋材料对损伤土强度的补偿效果.进行了损伤土、素土和加筋土的三轴试验,验证了以上解释的合理性,从而清晰地理解加筋土作用的机理.
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| 关 键 词： | 损伤土 素土 加筋土 莫尔圆 等效强度 |
Study of Shear Strength of Reinforced Soils Considering Soil Damage Due to Reinforcements |
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| Lei Shengyou. Study of Shear Strength of Reinforced Soils Considering Soil Damage Due to Reinforcements[J]. Journal of China Three Gorges University(Natural Sciences), 2010, 32(6): 42-46 |
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| Authors: | Lei Shengyou |
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| Affiliation: | Lei Shengyou(School of Highway,Chang＇an Univ.,Xi＇an 710064,China) |
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| Abstract: | Through analysing the Mohr circles of damaged soil,pure soil and reinforced soil,these formulas for describing the relation among the strengths of the three kinds of soils are obtained;and then the contribution of reinforcement to the strength of damaged soils is discussed.In order to prove the reasonableness of formulas,the triaxial shear tests on the three soils are carried out.The results from the triaxial shear tests show that the formulas are reasonable,so as to help people to understand the mechanism of interaction between reinforcements and soils easily. |
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| Keywords: | damaged soil pure soil reinforced soil Mohr circle equivalent strength |
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