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原位剪切试验在工程滑坡勘察中的应用

张祥恒, 王振, 曹凡, 王延宁, 陈柏林. 2024. 原位剪切试验在工程滑坡勘察中的应用. 钻探工程, 51(1): 139-146. doi: 10.12143/j.ztgc.2024.01.019
引用本文: 张祥恒, 王振, 曹凡, 王延宁, 陈柏林. 2024. 原位剪切试验在工程滑坡勘察中的应用. 钻探工程, 51(1): 139-146. doi: 10.12143/j.ztgc.2024.01.019
ZHANG Xiangheng, WANG Zhen, CAO Fan, WANG Yanning and CHEN Bolin, . 2024. Application of in-situ shear test in engineering langslide investigation. DRILLING ENGINEERING, 51(1): 139-146. doi: 10.12143/j.ztgc.2024.01.019
Citation: ZHANG Xiangheng, WANG Zhen, CAO Fan, WANG Yanning and CHEN Bolin, . 2024. Application of in-situ shear test in engineering langslide investigation. DRILLING ENGINEERING, 51(1): 139-146. doi: 10.12143/j.ztgc.2024.01.019

原位剪切试验在工程滑坡勘察中的应用

  • 基金项目:

    重庆市自然科学基金面上项目“龙河流域的生态环境质量时空演变特征及变化机理研究”(编号:CSTB 2022NSCQ-MSX1466)

详细信息
    作者简介: 张祥恒,男,汉族,1990年生,注册岩土工程师,地质学专业,主要从事地质灾害治理及岩土工程研究工作,山东省烟台市芝罘区机场路271号,1246232527@qq.com。

Application of in-situ shear test in engineering langslide investigation

  • 岩土体的抗剪强度指标,尤其是作为薄弱层的岩体结构面的抗剪强度,在滑坡稳定分析中起着至关重要的作用。现场原位剪切试验,试样受扰动小,试验状态与岩土体所处真实状态较为吻合,得到的参数也更加真实,是滑坡勘察原位测试的重要手段之一。适用于测定边坡的岩土结构面、岩土接触面、滑动面以及含碎石黏土的混合土层和其他粗颗粒土层的抗剪强度。重庆华宇·观澜华府项目工程滑坡勘察,在现场做原位剪切试验的同时,采集原状样品进行室内直剪试验,获取2种不同试验下的抗剪强度参数,分别取用2种参数对不同工况下的滑坡体进行稳定性分析计算,并与滑坡体的实际变形特征进行比较,从而验证了原位剪切试验确定岩土体抗剪强度参数的合理性,可为类似工程提供参考和借鉴。
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出版历程
收稿日期:  2023-05-25
修回日期:  2023-09-08

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