预应力钢筋松弛损失的设计建议 |
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引用本文: | 孙宝俊 吕志涛. 预应力钢筋松弛损失的设计建议[J]. 工业建筑, 1993, 0(6): 39-42 |
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作者姓名: | 孙宝俊 吕志涛 |
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作者单位: | 东南大学,东南大学 |
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摘 要: | 本文基于对预应力钢筋松弛特性的试验研究分析,提出了考虑时间和温度以及初始应力影响的钢筋松弛的损失的一般计算公式,弥补了现行规范的不足之处,供工程设计应用。
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关 键 词: | 预应力钢筋 松弛损失 |
DESIGN RECOMMENDATION OF RELAXATION LOSS IN PRESTRESSING STEEL |
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Abstract: | In this paper, a general formula for calculating the stress relaxation loss is presented hased on experi-mental studies on the relaxation characteristics of prestressing steel. The effects of the time temperature andinitial prestress stress are considered in the formula. This method makes up for deficiency of the ChineseCode GBJ10-89 and can be used in design. |
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