齐俊修, 赵晓菊, 刘艳, 张中炎, 张广禹. 2017: 不均匀系数法判别无黏性碎砾石渗透变形类型适宜性研究. 工程地质学报, 25(5): 1279-1286. DOI: 10.13544/j.cnki.jeg.2017.05.013
    引用本文: 齐俊修, 赵晓菊, 刘艳, 张中炎, 张广禹. 2017: 不均匀系数法判别无黏性碎砾石渗透变形类型适宜性研究. 工程地质学报, 25(5): 1279-1286. DOI: 10.13544/j.cnki.jeg.2017.05.013
    QI Junxiu, ZHAO Xiaoju, LIU Yan, ZHANG Zhongyan, ZHANG Guangyu. 2017: ADAPTABILITY OF UNIFORMITY COEFFICIENT METHOD FOR SEEPAGE DEFORMATION TYPE OF GRAVEL COHESIONLESS COARSE-GRAINED SOIL. JOURNAL OF ENGINEERING GEOLOGY, 25(5): 1279-1286. DOI: 10.13544/j.cnki.jeg.2017.05.013
    Citation: QI Junxiu, ZHAO Xiaoju, LIU Yan, ZHANG Zhongyan, ZHANG Guangyu. 2017: ADAPTABILITY OF UNIFORMITY COEFFICIENT METHOD FOR SEEPAGE DEFORMATION TYPE OF GRAVEL COHESIONLESS COARSE-GRAINED SOIL. JOURNAL OF ENGINEERING GEOLOGY, 25(5): 1279-1286. DOI: 10.13544/j.cnki.jeg.2017.05.013

    不均匀系数法判别无黏性碎砾石渗透变形类型适宜性研究

    ADAPTABILITY OF UNIFORMITY COEFFICIENT METHOD FOR SEEPAGE DEFORMATION TYPE OF GRAVEL COHESIONLESS COARSE-GRAINED SOIL

    • 摘要: 不均匀系数法判别无黏性粗粒土渗透变形类型,至今仍被众多学者和技术人员推荐和应用,为验证该法的适宜性,采用试验验证、其他方法印证和理论分析相结合的方法,对收集的43个工程313个试样的渗透变形试验成果进行统计分析研究。结果表明,B.C伊斯托明娜的不均匀系数法三准则中,只有第3条准则是适合的,第1、2条准则均是不适合的,其中第1准则的判断结果甚至和实际试验结果截然相反。因而可以确认,B.C伊斯托明娜的不均匀系数法整体上不适合无黏性碎砾石的渗透变形类型的判别。

       

      Abstract: This paper examines the adaptability of the uniformity coefficient method for adjusting the seepage deformation type of cohesionless coarse-grained soil. Experimental verification and other methods combining with theory analysis are adapted to test the adaptability of this method. Statistical analysis is done on experimental results of seepage deformation of 313 samples in 43 projects. The results indicate that only the third rule is suitable in the three rules of B.C Istormingna uniformity coefficient. The first and second rules are not suitable and the result of the first one is even totally opposite to the actual experimental result. So we can draw a conclusion that B.C Istormingna uniformity coefficient method is not applicable in general to adjust the deformation type of cohesionless coarse-grained soil.

       

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