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本文是钢筋混凝土单质点体系,在大型振动台上进行实测试验研究的内容之一。通过对结构全过程测试分析提出:结构自振周期的特性;自振周期随结构各受力阶段刚度变化的关系;并提出结构在周期动载作用下,存在受振瞬时周期(简你“受载周期”)的特性,且认为它是衡量结构动力作用下的关键性参数。文中还对三种不同周期作了讨论。
This article is one of the contents of the experimental test of large-scale vibrating table for reinforced concrete single-mass system. Through the analysis and analysis of the whole process of the structure, the characteristics of the natural vibration period of the structure, the relationship between the natural vibration period and the stiffness change of each force stage of the structure are proposed, and the structure is proposed. The characteristics of the cycle "), and that it is the key parameter to measure the structural dynamics. The article also discusses three different cycles.