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Time Dependent Shortening of Reinforced Concrete Columns

机译:钢筋混凝土柱的时间相关缩短

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摘要

The previous work on data and analysis of the immediate and time dependent shortening of axially loaded reinforced concrete columns is reviewed. A method of simulation of this load effect and shrinkage is given with the method extended to cater for the previously observed, but not quantified, feature of the transition of steel to the yield state. The method is used to illustrate the effect of the concrete stresses and the percentage of reinforcement on the transition to steel yield. The need for research to determine the parameters controlling this transition is discussed. An example which illustrates the differential axial shortening of adjacent columns is given.

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