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
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作者单位E-mail
刘文峰 山东省物化探勘查院 wwwhyliu@yeah.net 
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
 
Application of Micro-Steel Pipe Piles in Foundation Pit Support
Abstract:With the rapid development of economy and society, micro-steel pipe piles as a support structure is used more and more in the construction of deep foundation pit. According to the construction technology and engineering practice of the micro -steel pipe piles, this paper summarizes the main characteristics of the micro-steel pipe piles applied in the foundation pit support engineering, analyzes the role and effect of the micro-steel pipe piles in the foundation pit support engineering with the engineering application examples, and indicates that the advantages of the micro-steel pipe piles can be fully exerted in the foundation pit support engineering such as the limited surrounding environment conditions of the foundation pit and the emergency reinforcement, etc Significant economic and social results.
keywords:Micro-steel pipe piles  Foundation pit support  Pre-support structure  Pressure grouting  Pre-stressed anchor rod.
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