| 某工程灌注桩复式注浆施工技术 |
| |
| 引用本文： | 闫永茂,庞军辉.某工程灌注桩复式注浆施工技术[J].施工技术,2010,39(1). |
| |
| 作者姓名： | 闫永茂 庞军辉 |
| |
| 作者单位： | 山西建筑工程(集团)总公司,山西,太原,030002 |
| |
| 摘 要： | 后压浆灌注桩在普通成孔灌注桩基础上,增加了放置压浆管、注浆准备及压浆3个步骤,并于桩成孔后在孔底投放直径1～3cm的碎石.某通信生产基地采用灌注桩复式注浆工艺进行地基处理,介绍了注浆工艺、施工设备、注浆管制作及高压注浆等技术措施,并提出施工质量保证措施.实践证明,复合注浆技术不仅能显著提高桩的承载力、有效减少桩基沉降,且质量稳定可靠、无噪声、无振动、无污染.
|
| 关 键 词： | 地基处理 灌注桩 后压浆 复式注浆 承载力 施工技术 |
Construction Technology of Double Grouting for Bored Piles in Some Project |
| |
| Yan Yongmao,Pang Junhui.Construction Technology of Double Grouting for Bored Piles in Some Project[J].Construction Technology,2010,39(1). |
| |
| Authors: | Yan Yongmao Pang Junhui |
| |
| Affiliation: | Yan Yongmao,Pang Junhui(Shanxi Construction Engineering Group Co.,Ltd.,Taiyuan,Shanxi 030002,China) |
| |
| Abstract: | Based on traditional bored piles technology,three construction steps are added in construction of post-grouting bored piles including laying grouting pipes,preparation and grouting.Then gravel with 1~3mm in diameter is put in bottom of formed holes.Foundation treatment of a communication production base adopts double grouting technology for bored piles.Technologies such as grouting process, construction equipment,grouting pipes preparation and high-pressure grouting are introduced,as well as quality ensurin... |
| |
| Keywords: | foundation treatment bored pile post grouting double grouting bearing capacity construction technology |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
