| 双层大管径空心管混凝土筏形基础施工技术 |
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| 引用本文： | 周建标,张元龙.双层大管径空心管混凝土筏形基础施工技术[J].建筑技术,2005,36(1):58-59. |
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| 作者姓名： | 周建标 张元龙 |
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| 作者单位： | 湖南省凯达建筑工程有限公司,410007;湖南省凯达建筑工程有限公司,410007 |
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| 摘 要： | 长沙大洋商业广场工程底板为管径470mm的双层空心薄壁管混凝土筏形基础，采用超长钢筋混凝土结构无缝设计，混凝土为C40P8自防水混凝土。施工中严格按要求安装空心管和绑扎钢筋，并设置膨胀加强带，分段分层浇筑混凝土，取得了良好的效果。
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| 关 键 词： | 混凝土 筏形基础 空心管 |
| 文章编号： | 1000-4726(2005)01-0058-02 |
CONSTRUCTION TECHNOLOGY OF CONCRETE RAFT FOUNDATION WITH DOUBLE-LAYER BIG DIAMETER HOLLOW TUBE |
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| ZHOU Jianbiao,ZHANG Yuanlong.CONSTRUCTION TECHNOLOGY OF CONCRETE RAFT FOUNDATION WITH DOUBLE-LAYER BIG DIAMETER HOLLOW TUBE[J].Architecture Technology,2005,36(1):58-59. |
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| Authors: | ZHOU Jianbiao ZHANG Yuanlong |
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| Affiliation: | ZHOU Jianbiao ZHANG Yuanlong |
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| Abstract: | The foundation slab of Changsha Dayang Commercial Plaza Project is a concrete raft with double-layer thin-wall tubes with diameter of 470 mm, which is designed into a super long jointless reinforced concrete structure with self-waterproof concrete C40P8. In the construction, erection of the hollow tube and binding of steel bar were carried out strictly in accordance with the requirements; expansion belt was arranged; concrete was placed in sections and layers, good effect was thus obtained. |
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| Keywords: | concrete raft foundation hollow tube |
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