文档介绍：桥梁建设 20116
文章编号:———
泰州长江公路大桥深水沉井基础
定位下沉与控制技术研究
刘建波,张永涛,杨炎华,牛照
.中交第二航务工程局有限公司技术中心,湖北武汉;
2430040)
摘要:为解决泰州长江公路大桥在复杂条件下深水沉井定位难、摆动大等难题,以该桥中塔
CFD
+
刚性定位系统;采用“小锅底”取土方式下沉;采用信息化实时监控系统实时监测沉井空问几何姿
态,确保了沉井准确定位与平稳下沉,最终将其平面误差控制在以内,垂直度误差为。
关键词:泰州长江公路大桥;悬索桥;沉井基础;定位系统;研究;桥梁施工
U44825U445557A
Study 琒 and Control for
Water Caisson Taizhou River Highway
LIUJianb01ZHANGYong-ta01YANG猦保琋
(1Technique, Engineering .,琖 430040China2Key
for and Large 瑃琖,
: the problem positioning and great oscillation the —
water Taizhou River Highway plicated conditionsthe
caisson the tower the was cited 瑃
modes and oscillation the caisson the stage the caisson was the ana
瑃 sinking the caisson the final sinking stage and the —
and control for the caisson studied the river model testing and the CFD
. terms the results the and studyitwas the caisson
the steel mooring piers mooring and the
caisson way 皃 bottomshape removalInthe
瑃 informationized — and control was monitor and
control the spatial geometric posture the caisson and the positioning and sinking
the caisson was therefore ensuredFinallythe error the caisson was con
trolled and the error was .
Key 篢 River Highway ; bridgecaisson—
tionpositioningsystemstudybridge
收稿日期:—
基金项目:国家科技支撑计划资助项目
作者简介:刘建波,男,工程师,年毕业于重庆交通大学桥梁及隧道工程专业,工学学士,年毕业于重庆交通大学桥梁及隧
(******@163corn)
泰州长江公路大桥深水沉井基础定位下沉与控制技术研究刘建波;张永涛,杨炎