| 某逆作法施工中大直径扩底灌注桩问题分析 |
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| 引用本文： | 何占坤,张建新,蓝燕强. 某逆作法施工中大直径扩底灌注桩问题分析[J]. 山西建筑, 2011, 37(4): 80-82 |
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| 作者姓名： | 何占坤 张建新 蓝燕强 |
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| 作者单位： | 1. 铁道第三勘察设计研究院建筑分院,天津,300251
2. 北京铁路局,北京,100038 |
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| 摘 要： | 结合某逆作法施工工程实际情况,针对大直径扩底灌注桩设计中遇到的几个问题进行了分析,着重介绍了钢管桩安装技术及桩基设计要点,并通过桩基沉降监测得出采用大直径扩底灌注桩结合桩端后注浆能提高桩基承载力,降低桩基沉降。
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| 关 键 词： | 逆作法 大直径扩底灌注桩 钢管柱 保护层 |
Analysis on enlarged grouting pile with large diameter with reverse construction method |
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| HE Zhan-kun,ZHANG Jian-xin,LAN Yan-qiang. Analysis on enlarged grouting pile with large diameter with reverse construction method[J]. Shanxi Architecture, 2011, 37(4): 80-82 |
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| Authors: | HE Zhan-kun ZHANG Jian-xin LAN Yan-qiang |
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| Affiliation: | HE Zhan-kun ZHANG Jian-xin LAN Yan-qiang |
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| Abstract: | Combining with certain engineering condition with reverse construction method,this article analyzes several problems occurring in the design of enlarged grouting pile with large diameter,mainly introduces steel pipe column installation technology and pile foundation design points.Through pile foundation settlement survey,it achieves that: it can improve pile foundation bearing and reduce pile foundation settlement with enlarged and large diameter grouting pile combining post grouting at entrance pile. |
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| Keywords: | reverse construction method enlarged grouting pile with large diamenter steel pipe column protective layer |
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