中文摘要：

抗剪强度直剪仪可用于检测岩体结构面抗剪强度并可获得稳定的抗剪强度力学参数.针对现有直剪仪存在的缺陷,提出一种改进的抗剪强度直剪仪工作方式,在此基础上开发出抗剪强度直剪仪的测控系统,经过高、低荷载下的准静态和动态保压过程测试后满足多尺度岩体试样的测试精度和可靠性,这为岩石试样抗剪强度的研究提供了参考.

英文摘要：

Direct shear apparatus for testing shear strength can used to test shear strength of rock interfaces and joints and get sta-ble mechanical shear strength parameters. An improved testing principle was introduced based on the existing defects of direct shear ap-paratus. Then, measurement and control system of the direct shear apparatus was developed. Quasi-static and dynamic compressive tes-ting under heavy and low load were done, and the reliability and accuracy met the test requirements. The direct shear apparatus support to research shear strength.