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某地下车库发生局部抗浮失稳,造成部分钢筋混凝土柱产生剪切压弯破坏,对其破坏原因及破坏形态进行了深入分析和简化计算。采用三维简化计算模型的计算结果与实际情况吻合较好,验证了简化模型的合理性。针对该抗浮具体问题提出了开泄压孔及临时支撑的现场应急处理方案,并介绍了后续加固方法。
Some underground garage local anti-floating instability, resulting in some reinforced concrete columns shear pressure bending damage, the destruction of the cause and form of damage in-depth analysis and simplified calculation. The calculation results using the three-dimensional simplified calculation model are in good agreement with the actual situation, which verifies the rationality of the simplified model. Aiming at the specific problem of anti-flooding, the on-the-spot emergency plan of relief hole and temporary support was put forward and the follow-up reinforcement method was introduced.