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本文利用半无限体柱状孔洞内受均布压力作用下的弹性解,推导出杆体与浆体界面、浆体与岩土体界面及周边岩土体内的位移和剪应力的分布形式,考虑外荷载大小、浆体与岩土体的弹模比及孔径等因素对预应力锚杆内锚固段的锚固特性的影响,旨在对预应力锚杆加固机理得到更加清晰的认识。
In this paper, by means of the elastic solution under semi-infinite columnar hole under uniform pressure, the distribution of displacement and shear stress in the interface between the rod body and the slurry body, the interface between the slurry body and the rock mass body and the surrounding rock mass is deduced. Considering the external load Size, size ratio of slurry and rock and soil and pore size and other factors on the anchoring characteristics of prestressed anchors in anchorage section, aimed at a more clear understanding of the reinforcement mechanism of prestressed anchors.