| 天津奈伦国贸大厦钻孔灌注桩后压浆施工技术 |
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| 引用本文： | 苑敏,吴建友.天津奈伦国贸大厦钻孔灌注桩后压浆施工技术[J].施工技术,2009,38(5). |
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| 作者姓名： | 苑敏 吴建友 |
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| 作者单位： | 1. 邢台职业技术学院建筑工程系,河北,邢台,054035
2. 中国对外建设总公司天津分公司,天津,300121 |
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| 摘 要： | 天津奈伦国贸大厦工程位于天津市响螺湾商务区,采用钻孔灌注桩后压浆施工工艺.指出了后压浆技术主要工作机理.根据地质报告和规范确定其设计参数,并按照设计要求和试桩工艺标准,将压浆量大幅度提高.施工过程中严格控制泥浆指标和施工工艺,并重点监控其压浆质量.给出了施工质量保证措施.实践证明,钻孔灌注桩后压浆工艺可提高单桩承载力、抗摩擦力,减少工程沉降量.
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| 关 键 词： | 桩基 钻孔灌注桩 后压浆 施工工艺 |
Post-grouting Technology of Bored Piles in Tianjin Nilon Mansion |
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| Yuan Min,Wu Jianyou.Post-grouting Technology of Bored Piles in Tianjin Nilon Mansion[J].Construction Technology,2009,38(5). |
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| Authors: | Yuan Min Wu Jianyou |
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| Affiliation: | 1.Architecture & Civil Engineering Department of Xingtai Vocational and Technical College;Xingtai;Hebei 054035;China;2.Tianjin Subsidiary Co.of China Construction International Co.;Tianjin 300121;China |
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| Abstract: | Post-grouting technology is adopted in bored piles foundation of Tianjin Nilon Mansion project,which locates in Tianjin Xiangluowan Business District.Main working principles of post-grouting technology are proposed.Grouting parameters are designed according to geological record and codes,and grouting quantity is increased obviously based on design requirements and pile testing standards.During construction,mud indexes and construction technology are strictly controlled,and mud grouting quality is emphatical... |
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| Keywords: | pile foundation bored pile post-grouting construction technology |
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