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钢筋混凝土结构在荷载作用下的结构反应是相当复杂的。本文采用ANSYS有限元分析软件,对混凝土的开裂、混凝土与钢筋的本构关系等非线性行为进行了分析,并探讨了混凝土箱涵在不同内水压力作用下的内部应力变化过程和裂缝的扩展过程,为裂缝的治理和预防提供了依据。
The structural response of reinforced concrete structures under load is quite complicated. In this paper, ANSYS finite element analysis software is used to analyze the nonlinear behavior of concrete cracking and the constitutive relationship between concrete and steel bar. The internal stress changes and crack propagation of concrete box culvert under different internal water pressure are discussed. The process provides the basis for the crack management and prevention.