交替整体顶升技术在大沉降连岛桥梁改造中的应用  

APPLICATION OF ALTERNATIVE INTEGRAL JACKING TECHNIQUE IN BIG SETTLEMENT ISLAND BRIDGE RECONSTRUCTION

作　　者：范从建 董振旭 FAN Cong-jian;DONG Zhen-xu(China Guangdong Nuclear Power Engineering Co.,Ltd.,518124,Shenzhen,Guangdong,China)

机构地区：[1]中广核工程有限公司,广东深圳518124

出　　处：《建筑技术》2022年第4期440-443,共4页Architecture Technology

摘　　要：某孤岛连岛通道经过1年多的稳定运行及监测,发现其沉降虽已逐步收敛,但已接近设计限值。为确保该桥功能正常发挥,基于交替式多点整体顶升控制系统工作原理,利用电动液压千斤顶系统实现了桥梁支座顶升。After stable operation and monitoring of an island bridge for more than one year, it was found that although the settlement is being reduced gradually, it is close to the design limit. To guarantee the normal function of the bridge, alternative integral jacking control system working principle was considered and electric hydraulic jack system was used to realize bridge pier jacking.

关 键 词：连岛通道 沉降变形 交替式 整体顶升 

分 类 号：TU74[建筑科学—建筑技术科学]