| 微型钢管桩在基坑支护中的应用 |
| 投稿时间：2020-03-16 修订日期：2020-07-08 点此下载全文 |
| 引用本文：刘文峰.微型钢管桩在基坑支护中的应用[J].钻探工程,2020,47(10):67-71.LIU Wenfeng. Application of the steel pipe micro-piles in foundation pit support[J]. Drilling Engineering, 2020,47(10):67-71. |
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| 中文摘要:随着经济社会的快速发展，微型钢管桩作为一种支护结构在深基坑支护施工中的应用越来越多。本文根据微型钢管桩的施工工艺以及工程实践，总结了微型钢管桩应用于基坑支护工程的主要特点，结合工程应用实例分析了微型钢管桩在基坑支护工程中的作用及效果，表明在基坑周边环境条件受限和抢险加固等基坑支护工程中能充分发挥微型钢管桩的优点，具有显著的经济效益和社会效益 |
| 中文关键词:微型钢管桩 基坑支护 预支护结构 压力注浆 预应力锚杆 |
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| Application of the steel pipe micro-piles in foundation pit support |
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| Abstract:With the rapid development of economy and society, steel pipe micro-piles as a support structure are used more and more in the deep foundation pit. According to the construction technology and field use of the steel pipe micro-piles, this paper summarizes the main characteristics of the steel pipe micro-piles applied in the foundation pit support works, analyzes the role and effect of the steel pipe micro-piles in the foundation pit support works with regard to the field cases. It is demonstrated that the advantages of the micro-pipe steel piles can be fully exploited in the foundation pit support works in case of the limited surrounding environment conditions of the foundation pit, emergency reinforcement, etc. with significant economic and social results. |
| keywords:steel pipe micro-pile foundation pit support pre-support structure pressure grouting pre-stressed anchor rod |
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