| 麦秸秆加筋石灰土抗剪强度影响因素灰色关联度分析 |
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| 引用本文： | 李敏,柴寿喜,杜红普.麦秸秆加筋石灰土抗剪强度影响因素灰色关联度分析[J].路基工程,2011,0(4):82-86. |
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| 作者姓名： | 李敏 柴寿喜 杜红普 |
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| 作者单位： | 1.西部灾害与环境力学教育部重点实验室 兰州大学, 兰州 730000 |
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| 基金项目： | 国家自然科学基金(40772166); 天津市自然科学基金(07JCYBJC12900) |
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| 摘 要： | 为增强石灰固化滨海盐渍土的强度、塑性和抗变形能力，进行了麦秸秆加筋辅助处理的试验。试验分析结果表明:①麦秸秆加筋作用主要提高土的粘聚力，对内摩擦角的影响很小。②适宜的麦秸秆加筋长度为20mm，约为试样直径的1/3;适宜的加筋率为0.25%。③养护初期麦秸秆加筋作用较强，养护后期，土的强度提高主要依赖石灰的固化作用。④灰色关联度理论分析认为，对加筋土的粘聚力影响程度依次为固化作用、加筋率、加筋长度;对内摩擦角影响程度依次为固化作用、加筋长度、加筋率。固化作用是影响加筋土强度的主要指标。麦秸秆
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| 关 键 词： | 麦秸秆加筋石灰土 加筋条件 抗剪强度 灰色关联度分析 滨海氯盐渍土 |
| 收稿时间： | 2019-11-11 |
Grey Correlation Analysis of the Influencing Factors of Shear Strength of Wheat Straw Reinforced Limestone Soil |
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| Authors: | LI Min CHAI Shou-xi DU Hong-pu Lanzhou China Key Laboratory of Soft Soil Characteristics Engineering Environment Tianjin Institute of Urban Construction Tianjin School of Civil Engineering Hebei University of Technology Tianjin China |
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| Institution: | LI Min1,CHAI Shou-xi2,DU Hong-pu3(1.Key Laboratory of Western Disaster and Environmental Mechanics of the Ministry of Education(Lanzhou University),Lanzhou 730000,China,2.Key Laboratory of Soft Soil Characteristics and Engineering Environment,Tianjin Institute of Urban Construction,Tianjin 300384,3.School of Civil Engineering,Hebei University of Technology,Tianjin 300401,China) |
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| Abstract: | In order to increase the strength,plasticity and deformation resistance of lime-solidified costal saline soil,reinforcement test with wheat straw is carried out.The test results show that： ①wheat straw reinforcement is mainly to increase the cohesion of s |
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| Keywords: | wheat straw reinforced limestone soil reinforcement condition shear strength grey correlation analysis costal chlorine saline soil |
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