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1.广东省建设工程质量安全检测总站有限公司,广州 510600
2.长江勘测规划设计研究有限责任公司, 武汉 430010
3.中山大学,土木工程学院,(珠海),广东 珠海 519082
3.中山大学,南方海洋科学与工程广东省实验室,(珠海),广东 珠海 519082
5.武汉大学 水资源与水电工程科学国家重点实验室,武汉 430072
XU Tong (1984- ), senior engineer, main research interests: geotechnical engineering testing and risk assessment, E-mail: tong4012002@foxmail.com.
SUN Wei (corresponding author), assistant professor, E-mail: sunw55@mail.sysu.edu.cn.
Received:22 March 2021,
Published:25 June 2023
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XU Tong, YANG Jie, SUN Wei, et al. Parameter probability statistics and correlation distance analysis of hardfill[J]. Journal of Civil and Environmental Engineering, 2023, 45(3): 116-125.
XU Tong, YANG Jie, SUN Wei, et al. Parameter probability statistics and correlation distance analysis of hardfill[J]. Journal of Civil and Environmental Engineering, 2023, 45(3): 116-125. DOI: 10.11835/j.issn.2096-6717.2021.165.
胶凝砂砾石坝筑坝材料具有较大的变异性,有必要研究其参数概率分布形式。通过对3座大坝工程现场试验资料的分析,基于
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3.21733332
3.89466691
或
K
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有限比较法对胶凝砂砾石材料参数进行概率统计分析,提出参数分布的推荐概型:采用正态分布作为密度的分布概型;采用对数正态分布作为弹性模量的分布概型;采用对数正态分布作为强度的分布概型;采用
<math id="M2"><mi>β</mi></math>
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2.28600001
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分布作为泊松比
<math id="M3"><mi>ν</mi></math>
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1.43933344
2.79399991
的分布概型。对胶凝砂砾石坝相关距离问题进行探讨,指出其竖直向相关距离可取0.5~2.0 m,水平向可取5~30 m。
The heterogeneity of hardfill is obvious
so it is of necessity to study its parameter’s statistical distribution. Take three hardfill projects with field tests’ data as research objects
the probability and statistical analysis have been done based on
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or
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finite contrast method
and the recommended probability distribution models have been put forward:recommend normal distribution to fit the probability of density; recommend lognormal distribution to fit the probability of modulus of elasticity; recommend lognormal distribution to fit the probability of strength parameters; recommend
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2.28600001
3.64066648
distribution to fit the probability of poisson ratio. Moreover
the correlation distance of hardfill dam is also discussed. Results are that the vertical correlation distance and the horizontal correlation distance are 0.5~2.0 m and 5~30 m
respectively.
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