T-structure turning construction technology Frame
Welding foundation steel,preserved Foundation top concreting Sub-circle way sand Sub-table sted plate painting Foundation 1st fioor Installing sub-table sted concrering piersted of pier plate&stedaxle axle &supporting colunn Mortar leveling Grease fluorine powder Reaching design Hoisting upper table sted Erecting form & concreting upper Concreting pier Erecting form & concreting beam Section No.0.1.1’ requirement concrete strength reaching over 85%than design value Upper table insert fluorine mushroom end ,painting grease plate to proper place table&temporary support Tensioning beam Section No.0,1&1’ Removing Supports Concreting symmtrey beam section from2（2ˊ）to10（10ˊ）,lapping supports to concrete from 12（12ˊ）to15（15ˊ） Removing temporary Support on turntable Turning body Sealing Table Welding connection section 11（11ˊ）skeleton Temporary strand tension Connection section concreting over 85%than design value concrete strength reaching Bottom Plate Vertical Prestress tension Concreting & sealing Removing Temporary strand Connection Section tension Removing supports of Cast-in-place section Erecting border span T-beam Bridge pavement