介绍了稳态强度理论的基本概念、稳态强度的固结不排水剪切试验方法及试验结果；
The steady state strength concepts, the consolidated-undrained triaxial shear test method and the test results are introduced.
结合南阳地区膨胀土的抗剪强度研究，对其现场剪切试验的试样制备及试验方法进行探讨，提出了膨胀土抗剪强度的修改计算公式。
Taking the expensive soil in Nanyang Area, Henan Province, as study case, the in-situ shear test method, including preparing samples and test method, is proposed in the paper.
最后分别对3种方法进行了测试试验。结果表明，3种试验方法均能有效测试爆炸复合接头的剪切强度，其中对称试件双切口拉伸法最适合实际应用。
Results shows that all these three methods can be used to measure the shear strength of explosion cladding interface, and the most practical one is the double-notch method using symmetry specimen.
最后分别对3种方法进行了测试试验。结果表明，3种试验方法均能有效测试爆炸复合接头的剪切强度，其中对称试件双切口拉伸法最适合实际应用。
Results shows that all these three methods can be used to measure the shear strength of explosion cladding interface, and the most practical one is the double-notch method using symmetry specimen.
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