| 预应力混凝土连续梁桥箱梁腹板开裂成因初探 |
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| 引用本文： | 林才亮,林益群. 预应力混凝土连续梁桥箱梁腹板开裂成因初探[J]. 山西建筑, 2008, 34(30) |
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| 作者姓名： | 林才亮 林益群 |
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| 作者单位： | 1. 广东翔飞公路工程监理公司,广东,广州,510010
2. 福建省第一公路工程公司,福建,泉州,362000 |
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| 摘 要： | 针对预应力混凝土连续梁桥箱梁腹板出现的裂缝,从设计、混凝土主拉应力限值、温度、混凝土收缩徐变、施工等几方面对箱梁腹板开裂原因进行了分析,并对混凝土应力限值作了重点探讨,以保证箱梁腹板的施工质量.
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| 关 键 词： | 预应力混凝土 箱梁 裂缝 成因分析 应力限值 |
Exploration of the reason of the web crack of box girders of the pre-stressed concrete continuous bridge |
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| LIN Cai-liang,LIN Yi-qun. Exploration of the reason of the web crack of box girders of the pre-stressed concrete continuous bridge[J]. Shanxi Architecture, 2008, 34(30) |
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| Authors: | LIN Cai-liang LIN Yi-qun |
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| Affiliation: | LIN Cai-liang LIN Yi-qun |
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| Abstract: | According to the crack appearing in the web of box girders of the pre-stressed concrete continuous bridge,it analyses its reasons from design,the limited value of concrete main pulling stress,temperature,slow concrete shrinking and construction,of which it makes a stress on the limited value of concrete stress,so as to guarantee the construction quality of the web of box girders. |
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| Keywords: | pre-stressed concrete box girder crack reason analysis the limited value of stress |
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