T构转体施工工艺框图.doc

T-structure turning construction technology Frame

Sub-table sted plate painting
Grease fluorine powder
Sub-circle way sand
Mortar leveling
Foundation top concreting
&supporting colunn
Installing sub-table sted
plate&stedaxle axle
Foundation 1st fioor
concrering
Welding foundation steel,preserved
piersted of pier

Erecting form & concreting beam
Section No.0.1.1’
Concreting pier
Erecting form & concreting upper table&temporary support
Hoisting upper table sted
plate to proper place

Upper table insert fluorine mushroom end ,painting grease
Reaching design
requirement

Removing Supports

Concreting symmtrey beam section from2（2ˊ）to10（10ˊ）,lapping supports to concrete from 12（12ˊ）to15（15ˊ）
Tensioning beam Section No.0,1&1’
concrete strength reaching
over 85%than design value

Connection section
concreting
Temporary strand
tension
Removing temporary Support on turntable

Welding connection section 11（11ˊ）skeleton
Sealing Table
Turning body

Erecting border span
T-beam
Removing supports of
Cast-in-place section
Connection
Section tension
Removing
Temporary strand
Bottom Plate Vertical Prestress tension
Concreting & sealing
concrete strength reaching Bridge pavement

over 85%than design value