摘要
锚杆的锚固形式可以分为表面锚固型和内部锚固型两种。根据 Kelvin 问题的位移解,导出了内部锚固型锚固段的剪应力和轴力分布规律,经比较发现,其与已有表面锚固型锚固段的剪应力和轴力具有相同的分布形式,只不过参数不同,说明这两种锚固类型的受力特征是一致的。在此基础上讨论了拉力分散型锚杆锚固段的应力分布及其受力特征,并指出了其优缺点及其适应条件。
The types of anchorage are divided into the surface-type and the interior-type. Based on the Kelvin's solution of displacement, the distributing expressions of the shear stress and the axial force in the interior-type anchorage are derived, which have a same form as those of the surface-type. The only difference between them is the parameter, which shows that their mechanical characters are similar. Subsequently, the mechanical characters of the separate-stretched anchorages are discussed. The advantage or disadvantage and their adaptive conditions are analyzed at last.
出处
《岩石力学与工程学报》
EI
CAS
CSCD
北大核心
2005年第6期925-928,共4页
Chinese Journal of Rock Mechanics and Engineering
关键词
岩土工程
预应力锚索
锚固理论
力学分析
Anchorages (concrete construction)
Cables
Dynamic mechanical analysis
Prestressed materials
Shear stress
