扬中三桥主墩承台限裂技术及温度控制  

Crack control and temperature control of major pier cushion cap of Yangzhong 3rd bridge

作　　者：陈亮[1] 刘海祥[1] 

机构地区：[1]南京水利科学研究院,江苏南京210024

出　　处：《山西建筑》2016年第25期170-171,共2页Shanxi Architecture

摘　　要：结合扬中三桥承台的工程概况,从配合比、入模温度、浇筑质量、冷却水管和混凝土养护等方面,介绍了该桥主墩承台限裂施工措施,并进行了现场温度监控,结果表明,承台未出现有害温度裂缝,达到了预期效果。Combining with Yangzhong 3rd bridge cushion engineering conditions,starting from aspects of mixing proportion,casting temperature,casting quality,cooling water pipe and concrete maintenance,the paper introduces crack control construction measures of the major pier cushion cap,and carries out field temperature monitoring. Results show that： there is no hazardous temperature cracks for the cushion cap,which achieves expected effect.

关 键 词：承台 大体积混凝土 温度控制 冷却水系统 

分 类 号：U443.22[建筑科学—桥梁与隧道工程]