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作 者:刘中杰 张明 陈震 李聪伟 赵留义 黄文贵 Liu Zhongjie;Zhang Ming;Chen Zhen;Li Congwei;Zhao Liuyi;Huang Wengui(Henan Academy of Geology,Zhengzhou 450016,China;Zhengzhou University of Aeronautics,Zhengzhou 450046,China;Teesside University,Middlesbrough TS13BX,UK)
机构地区:[1]河南省地质研究院,河南郑州450016 [2]郑州航空工业管理学院,河南郑州450046 [3]提赛德大学,米德尔斯堡TS13BX
出 处:《能源与环保》2025年第3期157-161,共5页CHINA ENERGY AND ENVIRONMENTAL PROTECTION
基 金:中国博士后科学基金第72批面上项目(2022M721046);河南省住房城乡建设科技计划项目(HNJS-K-2330);2024年郑州航院实验室开放项目(ZHSK24-63);2024年郑州航院研究生精品教学案例项目。
摘 要:通过原位双桥静力触探试验获取黄河流域(河南段)能源工程现场黄土状粉质黏土的锥尖阻力与侧摩阻力。现场取样并在室内开展土体含水率、孔隙比、液塑限和压缩试验。在此基础上,分析黄土状粉质黏土物理力学指标和锥尖阻力、侧摩阻力的函数关系,建立黄河流域(河南段)黄土状粉质黏土土体物理力学特性指标与静力触探测试结果之间的经验关系式。通过经验关系式,可以从原位静力触探的测试数据估算出黄土状粉质黏土的物理和力学性能指标,为黄河流域(河南段)能源项目在前期勘察设计阶段对黄土状粉质黏土指标的准确评估提供参考,减少现场环境扰动,支撑黄河流域生态保护和高质量发展。The cone tip resistance and side friction resistance of loess silty clay in the Yellow River Basin(Henan section)were obtained using in-situ double-bridge CTP tests.In-situ sampling and conducting soil moisture content,porosity,liquid plastic limit,and compression tests indoors.On this basis,the functional relationship between the physical and mechanical indexes of loess like silty clay and the cone tip resistance and lateral friction resistance was analyzed,and an empirical relation between the physical and mechanical property indexes of loess like silty clay soil in the Yellow River Basin(Henan section)and the results of CPT testing was established.Through empirical relations,the physical and mechanical performance indexes of loess silty clay can be estimated from the testing data of in-situ CPT,providing reference for accurate evaluation of loess like silty clay parameters in the early survey and design stage of energy projects in the Yellow River Basin(Henan section),reducing on-site environmental disturbance,and supporting ecological protection and high-quality development of the Yellow River Basin.
关 键 词:黄河流域 生态保护 黄土状粉质黏土 物理力学性质 静力触探
分 类 号:TD167[矿业工程—矿山地质测量]
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