| 大开间住宅混凝土楼板裂缝问题及改进建议 |
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| 引用本文： | 徐有邻,张洁.大开间住宅混凝土楼板裂缝问题及改进建议[J].建筑科学,2000,16(4):26-29. |
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| 作者姓名： | 徐有邻 张洁 |
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| 作者单位： | 1. 中国建筑科学研究院建筑结构研究所,北京100013
2. 嘉兴市建筑工程质量检测中心,嘉兴314001 |
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| 摘 要： | 分析了我国传统预制装配式混凝土楼板及当前现浇混凝土楼板中常见裂缝的类型、产生原因及防治措施。指出施加预应力预制年是避免裂缝出现的有效方法。建议采用高效预应力装配整体式楼板及预应力双向叠合式楼板，以解决大开间住宅混凝土楼板的裂缝问题。
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| 关 键 词： | 混凝土楼板裂缝 大开间住宅 预应力楼板 |
Discussion on Cracking Problem of Concrete Floor Slab or Widening-Bay Room Residence |
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| XU You-lin,ZHANG Jie.Discussion on Cracking Problem of Concrete Floor Slab or Widening-Bay Room Residence[J].Building Science,2000,16(4):26-29. |
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| Authors: | XU You-lin ZHANG Jie |
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| Abstract: | In this paper, causes as well as protective measures of common cracks occurred in the traditional precast concrete floor slabs and the current cast in situ monolithic concrete floor slabs are analyzed. A conclusion has been pointed out that the application of prestressed and precast concrete members is the effective measure to avoid cracking in floor slabs. Therefore, the adoption of the high efficiency prestressing assembled concrete floor slab or the prestressed two way superposition concrete floor slab is suggested to control cracking of concrete floor slabs for widening bay room residence. |
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| Keywords: | cracks of concrete floor slab widening bay room residence prestressed concrete floor slab |
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