岩土类材料强度理论分为单剪强度理论、三剪强度理论和双剪强度理论。
The strength theories of geotechnical materials can be classified as single shear strength theory, tri-shear strength theory and twin-shear strength theory.
利用双剪强度理论，考虑中间主应力影响的特点，导出太沙基地基极限承载力公式。
The formula of Terzaghi ultimate bearing capacity of foundation based on Mohr-Coulomb strength theory does not take the influence of intermediate principal stress into account.
在试验结果的基础上，通过双剪强度理论建立平面应变条件下堆石料的强度与方形三轴强度的关系式。
Based on experiment results, the relationship between strength parameters of rockfill material in plane strain state and square triaxial tests is established using the unified strength theory.
现利用双剪强度理论计算火炮身管的强度，考虑了材料的拉压异性影响和轴向应力的作用，计算结果更为可信。
The twin shear strength theory to compute the strength of gun barrels is used. The effect of strength-difference and axial stress are considered. The calculating result is more convinced.
应用双剪理论对岩石在三轴压缩载荷下的强度和破坏特性进行了理论分析，并将分析结果与已有实验作了对比。
The characteristics of the rock strength and failure under triaxial compressions are theoretically analyzed in detail with the twin shear theory and the results are compared with experimental data.
研究表明，在岩石的强度特性方面，用双剪理论所得分析结果与实验事实较吻合。
The research work shows that in the aspect of rock strength, the analytical results agree with the experiments.
研究表明，在岩石的强度特性方面，用双剪理论所得分析结果与实验事实较吻合。
The research work shows that in the aspect of rock strength, the analytical results agree with the experiments.
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