| 南京德基广场逆作法超深支撑桩柱施工技术 |
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| 引用本文： | 廖秋林.南京德基广场逆作法超深支撑桩柱施工技术[J].施工技术,2009,38(9). |
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| 作者姓名： | 廖秋林 |
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| 作者单位： | 北京城建集团,北京,100088 |
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| 摘 要： | 南京德基广场二期工程逆作法超深支撑桩柱存在钢柱安装垂直度控制、桩柱混凝土一次浇筑、钢柱实时纠偏等施工难点.针对桩柱施工流程,详细介绍了逆作法桩柱整体施工工艺.通过自主开发的逆作法钢柱实时调垂控制系统,实时调整钢柱安装垂直度.施工结束后,对桩、柱混凝土质量、混凝土强度、钢柱垂直度等进行检测,结果表明,逆作法超深支撑桩柱施工质量均达到设计要求.
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| 关 键 词： | 南京德基广场 逆作法 支撑桩柱 垂直度 |
Reverse Construction Technology of Super-deep Support Piles and Columns in Nanjing Deji Plaza |
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| Liao Qiulin.Reverse Construction Technology of Super-deep Support Piles and Columns in Nanjing Deji Plaza[J].Construction Technology,2009,38(9). |
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| Authors: | Liao Qiulin |
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| Affiliation: | Beijing Urban Construction Group Co.;Ltd.;Beijing 100088;China |
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| Abstract: | The reverse construction of super-deep support piles and columns in phase II of Nanjing Deji Plaza meets some difficulties,mainly including verticality controlling of steel column,concrete pouring wholly for columns and piles,real-time rectification of steel column.Based on construction flow of piles and columns,the integral reverse construction technology is introduced.And installation verticality of steel column is adjusted by independent developed real-time verticality adjustment and control system.Furth... |
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| Keywords: | Nanjing Deji Plaza reverse construction method support pile and column verticality |
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