重庆交通大学学报（自然科学版） ›› 1992, Vol. 11 ›› Issue (2): 89-95.
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孙宝俊
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Sun Baojun
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摘要： 本文采用按龄期调整的有效模量和收缩徐变微差概念计算钢-混凝土组合截面的瞬时应力和变形,从而将长期作用下的非弹性时效问题转化为弹性问题处理。此法可用微机较精确地进行收缩徐变引起的微差分析,亦可手算估计。文末附计算实例。
关键词: 钢-混凝土组合截面, 收缩徐变, 有效模量, 微差分析
Abstract: In this paper,time-dependent stresses and deformations of steel-concrete composite sections may be calculated with the age-adjusted effective modulus and the concept of differential shrinkage and creep.The non-elastic time-effective questions on long actions can be turned into elastic questions.The effects of both shrinkage and creep of concrete on the behavior of the cross section are determined and discussed.The procedures can be berformed manually,but are best suited to microcomputer.An example is illustrated in detail.
Key words: l-concrete composite section, shrinkage and creep of concrete, effec-tive modulus, differential analysis
孙宝俊. 钢-混凝土组合截面的收缩徐变微差分析[J]. 重庆交通大学学报（自然科学版）, 1992, 11(2): 89-95.
Sun Baojun. Differential Analysis of Shrinkage and Creep in Steel-Concrete Composite Sections[J]. Journal of Chongqing Jiaotong University(Natural Science), 1992, 11(2): 89-95.
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