合拢与体系转换工艺流程图.doc

Workmanship flow chart for closing segment and system transation Locking permanent bearing, removing temporary bearing Hanged s of No.1 closing segment, tying reinforcement Setting up heavy water tank Welding shape steel support Tensioning temporary priestess bond Setting up heavy Water tank Survey elevation of observing point before grouting concrete Grouting concrete of No.1 Survey elevating of observing point after grouting concrete Take away heavy water tank Curing and removing s Survey elevation of observing point Before tensioning Tensioning and pouring Survey elevation after tensioning No.2 and No.1 closing segment construction in cycles Adjust construction s elevation of No.2 closing segment Reject locking permanent bearing. Finishing turning of whole bridge system