| 改善超长混凝土结构开裂的技术措施 |
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| 引用本文： | 牛铮铮,张有恒.改善超长混凝土结构开裂的技术措施[J].河北理工学院学报,2007,29(2):124-126. |
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| 作者姓名： | 牛铮铮 张有恒 |
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| 作者单位： | 北华航天工业学院建筑工程系 河北廊坊065000 |
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| 摘 要： | 超长混凝土结构由于材料、形状的特点和外界环境的影响,会产生温度收缩裂缝,降低结构的耐久性和整体性。超长混凝土结构的设计和施工中可以采取设置后浇带、采用微膨胀——补偿收缩混凝土或设计无粘结预应力混凝士结构来防止温度收缩裂缝的产生。
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| 关 键 词： | 超长混凝土 温度收缩裂缝 后浇带 预应力 |
| 文章编号： | 1007-2829（2007）02-0124-03 |
| 修稿时间： | 2006-06-11 |
Technical Measures to Solve the Problem of Crack on Super -length Concrete Structure |
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| NIU Zheng-zheng,ZHANG You-heng.Technical Measures to Solve the Problem of Crack on Super -length Concrete Structure[J].Journal of Hebei Institute of Technology,2007,29(2):124-126. |
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| Authors: | NIU Zheng-zheng ZHANG You-heng |
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| Institution: | Architecture Engineer Department, North China Institute of Astronautic Engineering, Langfang Hebei 065000,China |
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| Abstract: | The characteristics of the shape and material of Super-length Concrete Structure and the effect of the using environment always produces crack on the structure.The designer can set post-pouring belt,using UEA con- crete and designing pre-stressing concrete structure to avoid the crack caused by temperature and shrinkage. |
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| Keywords: | Super-length Concrete Structure crack caused by temperature and shrinkage post-pouring belt pre-stressing |
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