The paper analyzes the limited load of wedge by unified strength theory, finds its solution in slip line and discusses its application in geotechnical engineering.
采用统一强度理论对楔体进行了极限分析，得到了极限荷载的滑移线解，并讨论了其在岩土工程中的应用。
To avoid slip of CFRP bars, the friction angle between soft metal pipe and CFRP bars should be larger than the sum of barrel's conical angle and friction angle between wedge and barrel.
为保证碳筋不出现滑移，软金属管和碳筋间的摩阻角应大于锚环锥角和夹片与锚环之间的摩阻角之和；
To avoid slip of CFRP bars, the friction angle between soft metal pipe and CFRP bars should be larger than the sum of barrel's conical angle and friction angle between wedge and barrel.
为保证碳筋不出现滑移，软金属管和碳筋间的摩阻角应大于锚环锥角和夹片与锚环之间的摩阻角之和；
应用推荐