Cau tao MSS

Steel Design and Steel Design and Construction Engineering Construction Engineering For the kind Attention of : For the kind Attention of : Ministry of Transportation of Vietnam Ministry of Transportation of Vietnam MOVABLE SCAFFOLDING SYSTEM-MSS MOVABLE SCAFFOLDING SYSTEM-MSS EXCLUSIVE DISTRIBUTOR IN VIET NAM: EXCLUSIVE DISTRIBUTOR IN VIET NAM: EID ENGINEERING COMPANY EID ENGINEERING COMPANY Head Office : Block 505, 5th Floor - Tranco Building - Hoan Kiem Ha noi Viet Nam Head Office : Block 505, 5th Floor - Tranco Building - Hoan Kiem Ha noi Viet Nam Telephone : 04 9422176 / 9423265/ 0913248854 - Fax : 04 9422175 - Email : eid@fpt.vn Telephone : 04 9422176 / 9423265/ 0913248854 - Fax : 04 9422175 - Email : eid@fpt.vn MSS IN BRIDGE CONSTRUCTION OVERVIEW OF MSS – AUTOMATIZED CONSTRUCTION METHOD COMBINING A SUPPORT SYSTEM AND FORMWORK – SUITABLE CONDITIONS FOR USING MSS • CONTINUOUS GIRDER SYSTEM • SIMPLE SUPPORTED SYSTEM – SINGLE AND MULTIPLE CELLED BOX GIRDERS – DOUBLE T GIRDERS – PLATE GIRDERS TYPE OF MSS • UNDER LANE SYSTEM • OVER LANE SYSTEM – SINGLE SPAN MSS (MSS) – DOUBLE SPAN MSS (DMSS) – TRIPLE SPAN MSS (TMSS) UNDERSLUNG MSS A) INTERNAL FORMWORK B) EXTERNAL FORMWORK C) MAIN GIRDER D) LAUNCHING WAGON E) PIER BRACKET F) TRANSVERSE BEAM G) SUSPENSION GALLOWS OVERHEAD MSS A) MAIN GIRDER B) FRONT PIER SUPPORT C) TRANSVERSE GIRDER D) FORMWORK E) LAUNCHING WAGON DOUBLE T OVERHEAD MSS DOUBLE T UNDERSLUNG MSS SINGLE BOX UNDERSLUNG MSS DOUBLE BOX UNDERSLUNG MSS [...]...SINGLE BOX UNDERSLUNG MSS DOUBLE BOX OVERHEAD MSS DOUBLE BOX OVERHEAD MSS MSS DESIGN CRITERIA – Basic data required for MSS design – Max distance between bridge piers 70 M – Min radius of curvature > 260 M – Unit weight of superstructure 21.4 Ton/M – Max longitudinal slope 5.0 % – Max transverse slope + /- 5.0 % – Max deflection 1/400 DESCRIPTION OF MSS COMPONENTS – 9 main parts of MSS • MAIN GIRDE •... ﹝Underslung MSS Main Girder ﹝Underslung MSS Main Girder, Nose ﹝Overhead MSS – Nine main parts of MSS • MAIN GIRDER • NOSE • SUPPORTING BRACKET • TRANSVERSE BEAMS • EXTERNAL FORMWORK • INTERNAL FORMWORK • LAUNCHING WAGON • PLATFORM & LADDERS • SUSPENSION GALLOW – Accessory equipment rebar cage prefabrication trolley NOSE NOSE NOSE NOSE Nose﹝rear﹞ Nose and work platform – Nine main parts of MSS • MAIN... Bracket Overlane MSS Supporting Bracket Overlane MSS and Supporting Bracket – Nine main parts of MSS • MAIN GIRDER • NOSE • SUPPORTING BRACKET • TRANSVERSE BEAMS • EXTERNAL FORMWORK • INTERNAL FORMWORK • LAUNCHING WAGON • PLATFORM & LADDERS • SUSPENSION GALLOW – Accessory equipment rebar cage prefabrication trolley TRANSVERSE BEAMS TRANSVERSE BEAMS and adjustment device (Underlane MSS) Supports in . GIRDERS – PLATE GIRDERS TYPE OF MSS • UNDER LANE SYSTEM • OVER LANE SYSTEM – SINGLE SPAN MSS (MSS) – DOUBLE SPAN MSS (DMSS) – TRIPLE SPAN MSS (TMSS) UNDERSLUNG MSS A) INTERNAL FORMWORK B) EXTERNAL. MSS DOUBLE BOX UNDERSLUNG MSS SINGLE BOX UNDERSLUNG MSS DOUBLE BOX OVERHEAD MSS DOUBLE BOX OVERHEAD MSS MSS DESIGN CRITERIA – Basic data required for MSS design – Max. distance. prefabrication trolley DESCRIPTION OF MSS COMPONENTS Main Girder Underslung MSS ﹞ Main Girder Underslung MSS ﹞ Main Girder, Nose Overhead MSS ﹞ – Nine main parts of MSS • MAIN GIRDER • NOSE • SUPPORTING