建筑技术
 
 
建筑工人  2011, Vol. 42 Issue (05): 402-404    DOI:
超高层建筑施工技术研究与应用 最新目录 | 下期目录 | 过刊浏览 | 高级检索
高层超高大梁转换层施工技术
曹 昕, 吴丽华
1.南通经济技术开发区建设工程质量监督站,226009,江苏南通;2.南通航运职业技术学院交通工程系,226010,江苏南通
CONSTRUCTION TECHNIQUE OF SUPER HIGH CROSSBEAM TRANSITION LAYER IN HIGH-RISE BUILDING
CAO Xin1, WU Li-hua2
1.Construction Quality Supervision Station, Economic and Technic Development, 226009, Nantong, Jiangsu, China;2.Transportation Engineering Department, Nantong Shipping College, 226010, Nantong, Jiangsu, China
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摘要 南通市王府大厦地上2层为梁式转换层。转换层采用碗扣式整体脚手架作为支撑体系,由于转换层主梁均为框支梁,梁截面大,配筋层数及数量多,因此钢筋绑扎采取悬空绑扎方式。转换层主梁混凝土水化热引起的温差应力不能自由释放,通过在主梁内设循环水管降温系统以降低温差,在混凝土中加设杜拉纤维以增加混凝土韧性,保质保量地完成了施工。
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吴丽华
关键词超高大梁   梁式转换层   混凝土温差应力   悬空绑扎钢筋     
Abstract: The second floor overground of Wangfu Building in Nantong city is a beam-type transition layer. The transition layer adopts integral scaffold with buckle bowl as the supporting system. Suspension binding method is adopted to bind the steel bars, because all crossbeams on the transition layer are frame strut beam, which has large cross-section area, many reinforcement layers and high quantity of steel reinforcement. The temperature stress caused by the crossbeam hydration heat on the transition layer can not be released freely, so circulating water pipe is set in the crossbeam to reduce the temperature difference and Dura fiber is added in the concrete to increase the roughness of concrete. The construction is successfully completed on schedule.
Key wordssuperhigh crossbeam   beam-type transition layer   temperature stress of concrete   suspended steel bar binding   
收稿日期: 2011-10-20;
通讯作者: 曹 昕, 吴丽华   
作者简介: 曹 昕, 吴丽华
引用本文:   
曹,昕,吴丽华. 高层超高大梁转换层施工技术[J]. 建筑工人, 2011, 42(05): 402-404.
CAO,CUAN,Tun-Li-Hua. CONSTRUCTION TECHNIQUE OF SUPER HIGH CROSSBEAM TRANSITION LAYER IN HIGH-RISE BUILDING[J]. Architecture Technology, 2011, 42(05): 402-404.
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