Stress variation of reinforced concrete columns over long periods of time while under constant load

Journal of Chongqing Jiaotong University(Natural Science) ›› 2006, Vol. 25 ›› Issue (5): 130-131.

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Stress variation of reinforced concrete columns over long periods of time while under constant load

PENG Zai-ping¹，ZHANG Yu-qiang²

1.School of Civil Engineering Architecture, Chongqing Jiaotong University , Chongqing 400074, China; 2.School of River and Ocean Engineering , Chongqing Jiaotong University , Chongqing 400074, China

Received:2005-09-23 Revised:2005-10-11 Online:2006-10-15 Published:2015-05-18

钢筋砼轴心受压构件在长期荷载作用下的应力变化

彭在萍¹，张玉强²

1.重庆交通大学土木建筑学院，重庆 400074; 2.重庆交通大学河海学院，重庆 400074

作者简介:彭在萍（1964—），女，重庆永川人，讲师，主要从事钢筋砼结构的教学研究.

Abstract

Abstract: This Paper gives the formula about stress variation of reinforced concrete columns over long periods of time while under constant load, then, by using the formula, the conclusion of columns crack under certain reinforcement ratio be revealed also.

Key words: creep, crack, constant load

摘要： 笔者在文中推导了钢筋砼轴心受压构件在长期荷载作用下应力变化的计算公式,并根据资料验算,得出了当构件配筋率达到一定值时,构件将开裂的结论.

关键词: 徐变, 开裂, 长期荷载

CLC Number:

TU375

PENG Zai-ping，ZHANG Yu-qiang. Stress variation of reinforced concrete columns over long periods of time while under constant load[J]. Journal of Chongqing Jiaotong University(Natural Science), 2006, 25(5): 130-131.

彭在萍，张玉强. 钢筋砼轴心受压构件在长期荷载作用下的应力变化[J]. 重庆交通大学学报（自然科学版）, 2006, 25(5): 130-131.

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Stress variation of reinforced concrete columns over long periods of time while under constant load

钢筋砼轴心受压构件在长期荷载作用下的应力变化

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