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在建筑物纠偏技术研究中,依据Mohr-Coulomb破坏准则和土体非线性理论的研究平台,应用ADINA软件,分析了应力解除法的挖槽深度与地基变形之间的关系和挖槽深度与地基应力分布之间的关系。得到挖槽深度与地基变形之间的规律和挖槽深度与地基应力分布之间的规律,找出最佳挖槽深度。确定应力解除法的最佳纠偏挖槽深度在6～7.5 m之间,对建筑物纠偏具有重要指导意义。
Based on the research platform of Mohr-Coulomb failure criterion and soil nonlinear theory, ADINA software was used to analyze the relationship between the depth of groove excavation and the foundation deformation and the relationship between the depth of the groove and foundation The relationship between stress distribution. Obtained the law of the relationship between the depth of cut trenches and the deformation of foundation and the law between the depth of cut trenches and the stress distribution of the foundations to find out the optimal trenching depth. Determine the stress relief method of the best correction of trenching depth of 6 ~ 7.5 m between the rectification of the building has an important guiding significance.