强风化岩地区岩石锚杆基础抗拔承载力研究  

Study on Uplift Bearing Capacity of Rock Anchor Foundation in Heavily Weathered Rock Area

作　　者：贾及汉 柳劲京 李杰 季均都 罗瑾煊 刘岩 吕忠华 孙清[2] JIA Ji-han;LIU Jin-jing;LI Jie;JI Jun-du;LUO Jin-ruan;LIU Yan;LV Zhong-hua;SUN Qing(State Grid Liaoning Electric Power Supply Co Ltd,Shenyang 112400,China;School of Human Settlements and Civl Engineering,Xi'an Jiaotong University,Xi'an 710049,China;China Electric Power Planning&.Engineering Institute,Beijing 100120,China;Economic and Technological Research Institute of Liaoning Electric Power Company,State Grid,Shenyang 112400,China)

机构地区：[1]国网辽宁省电力有限公司,沈阳112400 [2]西安交通大学人居环境与建筑工程学院,西安710049 [3]电力规划总院有限公司,北京100120 [4]国网辽宁省电力有限公司经济技术研究院,沈阳112400

出　　处：《武汉理工大学学报》2024年第3期93-98,共6页Journal of Wuhan University of Technology

基　　金：国家电网辽宁省科技创新项目(1522HL1900ZF)。

摘　　要：采用数值研究方法,研究了岩石锚杆基础在承受上拔荷载下的传力机理和内力分配大小,对锚杆基础受到上拔荷载的受力过程进行分析,对比钢筋、混凝土和岩石的轴力大小,进一步改变锚杆直径、锚杆长度、锚固体直径、岩石力学参数的取值,分析岩石锚杆基础承载力的变化规律。通过以上研究,为岩石锚杆基础在强风化岩地区输电线路杆塔基础中的设计与应用提供依据和参考。A numerical research method was adopted to study the force transfer mechanism and internal force distribution of rock bolt foundation under uplift load.The stress process of rock bolt foundation under uplift load was analyzed,the axial force of reinforcement bar,concrete and rock was compared,and further the values of bolt diameter,bolt length,anchor solid diameter and rock mechanical parameters were changed.The variation of bearing capacity of rock anchor foundation was analyzed.Through the research,the basis and reference were provided for the design and application of rock anchor foundation in the power transmission line tower foundation in the strongly weathered rock area.

关 键 词：岩石锚杆基础 强风化岩 传力机理 锚杆尺寸 锚固体直径 岩石力学参数 

分 类 号：TU476[建筑科学—结构工程]