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建筑结构主要靠延性来抵抗地震作用下的非弹性变形,在地震作用下,一味地追求结构的强度并不可取,结构的延性与结构的强度具有同等重要的意义。建筑结构设计除了选用合理的计算方法外,还应结合概念设计,形成合理的耗能机制,使塑性铰出现在延性易于保证的部位或者具有一定延性能力的构件上,确保结构不至于发生剪切破坏,并通过细部构造措施来保证延性的充分发挥。
Due to the ductility, the building structure is mainly used to resist the inelastic deformation under the earthquake. It is not desirable to blindly pursue the strength of the structure under the earthquake. The ductility of the structure is of equal significance with the strength of the structure. In addition to the rational design of the building structure design, the concept design should also be combined to form a reasonable energy-consumption mechanism so that the plastic hinge appears in ductile easy-to-ensure parts or ductile components to ensure that the structure will not shear Vandalism, and through the detailed structure measures to ensure the full play of ductility.