1、T-structure turning construction technology FrameReaching design requirementconcrete strength reachingover 85%than design valueconcrete strength reaching over 85%than design value Foundation 1st fioorconcreringWelding foundation steel,preservedpiersted of pierInstalling sub-table stedplate&stedaxle
2、axleFoundation top concreting&supporting colunnSub-circle way sandMortar levelingSub-table sted plate paintingGrease fluorine powderUpper table insert fluorine mushroom end ,painting greaseHoisting upper table stedplate to proper placeErecting form & concreting upper table&temporary supportConcretin
3、g pierErecting form & concreting beamSection No.0.1.1Tensioning beam Section No.0,1&1Removing Supports Concreting symmtrey beam section from2( 2)to10(10),lapping supports to concrete from 12(12)to15(15)Removing temporary Support on turntable Turning bodySealing Table Welding connection section 11(11)skeletonTemporary strandtensionConnection sectionconcretingBottom Plate Vertical Prestress tensionConcreting & sealingRemoving Temporary strandConnectionSection tensionRemoving supports of Cast-in-place sectionErecting border spanT-beam Bridge pavement