| 预应力混凝土空心板冬季施工裂纹产生与防范 |
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| 引用本文： | 尚作林,富露凤,李文生.预应力混凝土空心板冬季施工裂纹产生与防范[J].辽宁省交通高等专科学校学报,2007,9(3):19-20. |
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| 作者姓名： | 尚作林 富露凤 李文生 |
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| 作者单位： | 沈阳高等级公路建设总公司,辽宁沈阳,110003 |
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| 摘 要： | 在预应力空心板冬季施工"蒸养"过程中,混凝土初期养护管理、升降温梯度、板梁上下散热速度差以及大梁内是否配置防裂钢筋等都将对大梁的浇注质量产生影响,本文以沈环线新革大桥为例,对空心板的"蒸养"裂纹作了详细分析,提出了相应的防范措施。
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| 关 键 词： | 桥梁 空心板 裂纹 防止 |
| 文章编号： | 1008-3812（2007）03-019-02 |
| 修稿时间： | 2007-07-12 |
Analysis and Prevention Method for Crack of Prestress Concrete Hollow Board in Winter Construction |
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| Shang Zuo-lin,Fu Lu-feng,Li Wen-sheng.Analysis and Prevention Method for Crack of Prestress Concrete Hollow Board in Winter Construction[J].Journal of Liaoning Provincial College of Communications,2007,9(3):19-20. |
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| Authors: | Shang Zuo-lin Fu Lu-feng Li Wen-sheng |
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| Abstract: | During atmospheric steam winter curing in prestress concrete hollow board,concrete maintaining,temperature grads,difference of heat radiator speed and crack-prevention steel bar can all affect pouring quality of hollow board beam.Taking pre-stress hollow board beam of Xinge brideg in Shenyang road as an example,this paper analyses atmospheric steamcuring crack of beam and puts forward relevant prevention measurments. |
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| Keywords: | bridge concrete hollow board crack prevention |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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