市政桥梁灌注桩大直径桩基加固施工技术  

Construction Technology of Large Diameter Cast-in-place Pile Foundation Reinforcement of Municipal Bridge

作　　者：冯桂艳 杨春明 Feng Guiyan;Yang Chunming(Beijing Maintenance Group,Beijing,China;Beijing Orient Huibo Human Resource Consulting Service Co.,Ltd.,Beijing,China)

机构地区：[1]北京市政路桥管理养护集团有限公司,北京 [2]北京东方慧博人力资源顾问股份有限公司,北京

出　　处：《科学技术创新》2024年第8期188-191,共4页Scientific and Technological Innovation

摘　　要：城市化进程的加快,对城市基础设施建设提出了更高的要求。桥梁工程作为市政工程的重要组成部分,其建设质量直接影响到市政工程项目的建设质量。然而,在实际施工过程中,由于受到地质条件、施工环境、施工工艺等多种因素的影响,桩基施工难免会遇到一些问题和风险,影响工程项目的顺利开展。本文根据实际案例,通过分析高压注浆法、小管径钢管桩加固法以及扩底桩加固法三种方案的施工与效果,最终确定小管径钢管桩加固法具有较好的耐久性和可靠性。The acceleration of urbanization process,the construction of urban infrastructure put forward higher requirements.As an important part of municipal engineering,the construction quality of bridge directly affects the construction quality of municipal engineering project.However,in the actual construction process,due to geological conditions,construction environment,construction technology and other factors,pile foundation construction will inevitably encounter some problems and risks,affect the smooth implementation of the project.In this paper,based on a practical case,through the analysis of high-pressure grouting method,small diameter steel pipe pile reinforcement method and belled pile reinforcement method of three schemes of construction and results,finally,the small diameter steel pipe pile reinforcement method has better durability and reliability.

关 键 词：桥梁 灌注桩 大直径桩基 加固施工 

分 类 号：U416.1[交通运输工程—道路与铁道工程]