| 坝基各向异性岩石力学特性试验研究 |
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| 引用本文： | 王如宾,张玉,张治亮.坝基各向异性岩石力学特性试验研究[J].三峡大学学报(自然科学版),2010,32(2):5-10. |
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| 作者姓名： | 王如宾 张玉 张治亮 |
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| 作者单位： | 河海大学,岩土工程科学研究所,南京,210098;河海大学,岩土力学与堤坝工程教育部重点实验室,南京,210098 |
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| 基金项目： | 国家自然科学基金，国家科技支撑计划 |
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| 摘 要： | 为了掌握坝基层理面发育变质凝灰岩的力学特性,对垂直和平行于层理面方向的变质凝灰岩试样进行了三轴压缩试验.基于试验结果,得到了不同围压下垂直和平行于层理面的变质凝灰岩强度和变形参数,研究了其强度和变形特性的各向异性特征,最后分析了三轴压缩状态下试样的破坏形式及机制.研究结果表明,变质凝灰岩强度和变形特性与层理面方位角关系密切,垂直和平行于层理面方向的强度和变形参数表现出显著的各向异性特征,并随围压呈一定规律的变化.
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| 关 键 词： | 岩石力学 各向异性 变质凝灰岩 三轴试验 力学性质 |
Experimental Investigation on Mechanical Properties of Anisotropic Rocks in Dam Foundation |
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| Wang Rubin,Zhang Yu,Zhang Zhiliang.Experimental Investigation on Mechanical Properties of Anisotropic Rocks in Dam Foundation[J].Journal of China Three Gorges University(Natural Sciences),2010,32(2):5-10. |
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| Authors: | Wang Rubin Zhang Yu Zhang Zhiliang |
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| Institution: | Wang Rubin1,2 Zhang Yu1,2 Zhang Zhiliang1,2(1.Geotechnical Research Institute,Hohai Univ.,Nanjing 210098,China,2.Key Laboratory of Ministry of Education for Geomechanics , Embankment Engineering,China) |
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| Abstract: | In order to grasp the mechanical properties of metamorphic tuff with developed horizontal bedding planes in dam foundation,experiments were carried out to investigate the metamorphic tuff specimens perpendicular to and parallel with bedding planes under conventional triaxial compression.Based on the experimental results,the strength and deformation parameters of metamorphic tuff specimens were obtained;and the anisotropic characteristics of strength and deformation properties of metamorphic tuff specimens p... |
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| Keywords: | rock mechanics anisotropy metamorphic tuff triaxial compression test mechanical properties |
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