以大直径后置锚栓体系中锚栓体、灌浆材料、围岩体以及锚栓-灌浆体界面、灌浆体-围岩界面为研究对象,根据剪切滞模型理论,研究完全黏结条件下锚栓的轴力、侧阻力等作用机理问题,推导了锚栓轴力、侧阻力分布计算公式,研究了锚栓侧阻力分布规律及荷载传递特点,得出了锚栓侧阻力呈指数规律分布、混凝土基础相对刚度越大,剪应力分布越不均匀等结论。为大直径后置锚栓体系设计和试验研究提供了依据。 Based on the theory of shear lag model, the anchoring body, grouting material, surrounding rock mass, anchoring-grouting interface and grouting body-surrounding rock interface in the large-diameter rear anchor system were studied. The axial force and the lateral resistance of the bolt, the calculation formula of the axial force and the lateral resistance of the bolt is deduced. The distribution law of the lateral resistance of the bolt and the characteristics of the load transfer are studied. It is concluded that the lateral resistance of the bolt is exponentially distributed, The bigger the relative stiffness of concrete foundation is, the more uneven the distribution of shear stress is. It provides the basis for the design and experimental research of the large diameter rear anchor system.