高预应力让压锚杆数值模拟方法研究

高预应力让压锚杆数值模拟方法研究 English Version

1.Department of Resource Civil Engineering Shandong University of Science Technology Taian 271019 China 2.Institute of Rock Soil Mechanics Chinese Academy of Sciences Wuhan 430071 China 3.Jennmar Jining Mine Roof Support Products Co. Ltd. Jining 272023 China

摘要: 建议了一种考虑高预应力让压锚杆锚芯与岩石间剪切破坏作用的三维锚杆计算模型,并开发了相应的有限元程序。由于采用2节点三维杆件单元和4节点三维锚杆单元模拟高预应力让压锚杆,使得所建议的模拟方法适用范围更加广泛,可以用于锚索模拟、一般锚杆模拟和抗滑桩等桩结构模拟,且能够很好地模拟高预应力让压锚杆的力学特性。
- 预应力让压锚杆 /
- 有限元法 /
- 锚杆模拟
Abstract: A 3D simulation model considering the shear deformation between the high pre-stressed yield bolts and the rock was suggested,and the corresponding program of the finite element method was developed.Due to simulating bolts with the 2-noded member elements and the 4-noded bolt elements,the proposed method could be used for the simulation of anchorage cables,general bolts and piles.And it could simulate the mechanical properties of the high prestressed yield bolts well.
- prestressed yield bolt /
- finite element method /
- simulation of bolt