白龙江大桥旧桥铺装调平层新技术(无缝钢管+陶粒混凝土)的应用  

Application of Seamless Steel Tube and Ceramsite Concrete in the Leveling Layer Pavement for Renovation of Bailongjiang Bridge

作　　者：赵腾飞 廖祯虎 覃晟 ZHAO Tengfei;LIAO Zhenhu;QIN Sheng(Third Branch of Sinohydro Bureau 10 Co.,LTD.,Dujiangyan,Sichuan,611830)

机构地区：[1]中国水利水电第十工程局有限公司三分局,四川都江堰611830

出　　处：《四川水力发电》2022年第5期78-81,共4页Sichuan Hydropower

摘　　要：结合四川省广元市三江新区基础设施项目中白龙江大桥旧桥铺装调平层现场施工情况,采用了对局部增高较多的区域设置无缝钢管并采用陶粒混凝土配合进行调平的施工技术。本文重点分析了该技术在市政工程中应用的优缺点及施工特点,明确了施工工艺。According to the on-site construction of the leveling layer of the renovation of Bailongjiang Bridge in the infrastructure project of Sanjiang New Area in Guangyuan,Sichuan,this paper introduces the construction characteristics of the technology that use seamless steel tube and ceramsite concrete in the leveling layer pavement at the locally elevated area.Then the advantages,disadvantages and construction characteristics of this technology in municipal engineering are emphatically analyzed.And the construction process is clarified.

关 键 词：旧桥改造 无缝钢管+陶粒混凝土 陶粒混凝土 施工技术 白龙江大桥 

分 类 号：U445[建筑科学—桥梁与隧道工程] U444[交通运输工程—道路与铁道工程] U41U44