| 广州珠江新城西塔超高性能混凝土超高泵送及洗管技术 |
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| 引用本文： | 向小英,顾国荣. 广州珠江新城西塔超高性能混凝土超高泵送及洗管技术[J]. 施工技术, 2010, 39(12) |
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| 作者姓名： | 向小英 顾国荣 |
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| 作者单位： | 广州市建筑集团有限公司;中国建筑第三工程局有限公司; |
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| 摘 要： | 广州珠江新城西塔核心筒、外框钢管柱混凝土均使用超高性能混凝土,C90混凝土最高泵送高度167m,C80混凝土最高泵送高度410m,通过多次泵送施工试验和对现场混凝土泵送的分析,根据管道清洗阻力大,弯管多,清洗过程中管道冲击力和噪声大等难点,总结了一套超高性能混凝土超高泵送和洗管技术.重点介绍了泵送和洗管施工工艺.
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| 关 键 词： | 广州珠江新城西塔 超高性能混凝土 超高泵送技术 洗管技术 |
Ultra-high Pumping and Washing Pipe Technology of Ultra-high Performance Concrete in Guangzhou Pearl River New Town West-tower |
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| Xiang Xiaoying,Gu Guorong. Ultra-high Pumping and Washing Pipe Technology of Ultra-high Performance Concrete in Guangzhou Pearl River New Town West-tower[J]. Construction Technology, 2010, 39(12) |
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| Authors: | Xiang Xiaoying Gu Guorong |
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| Affiliation: | Xiang Xiaoying1,Gu Guorong2(1.Guangzhou Municipal Construction Group Co.,Ltd.,Guangzhou,Guangdong 510030,China,2.China Construction Third Engineering Division Co.,Wuhan,Hubei 430070,China) |
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| Abstract: | Core tube and steel frame concrete columns in Guangzhou Pearl River New Town West-tower use ultra-high performance concrete.The maximum pumping height for C90 concrete is 167m,and 410m for C80.By repeating pumping test and on-site concrete construction pumping analysis,according to the washing difficulties of large resistance,many elbow,great impacting force and noise,the authors summarize a set of pumping and washing pipe technology for ultra-high performance concrete.The construction technologies for pump... |
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| Keywords: | Guangzhou Pearl River New Town West-tower ultra-high performance concrete ultra-high pumping technology washing pipe technology |
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