B1-F3外框柱柱脚手架施工方案（英文版）.pptxVIP

;1.General introduction;1.General introduction;1.General introduction;1. Install the erection column with 10.8m length with partial area with beam and deck at 1st upper floor level. 2. Cast two section of the composite column up to 4.8x2=9.6m(strengthen the stability of the column). 3. Install the 2nd section of the erection column 4.5m length. 4. Install the periphery beam @ 2nd Floor level. 5. Install the beam and deck (partial area). 6. The further super structure construction shall wait for the B1 slab or F1 slab completion.;;1.General introduction;250mm;;100mm;200mm;Welding the positioning rebar at the end of profiled steel L20mm，D25mm;;Pull up wire rope;100mm;400mm;Steel tube ：1.5”*6m*2mm;600mm;300mm;600mm;;; Positioning and Setting Out ;Steel beam;Method to seal the steel beam opening;4. Column Formwork; Formwork Assembly ;Verticality adjustment: A tripod is set on the outside of the aluminum mold, and the tripod is composed of vertical waler、pull-push prop and horizon prop. The vertical waler is fixed with the horizon waler above the aluminum formwork, and the verticality of the aluminum formwork is adjusted by adjusting the length of the Pull-push prop.;4. Column Formwork;4. Column Formwork; Formwork Assembly ; Checking ;Formwork Dismantle ;1、Variation from plumb. a) In the lines and surfaces of column, piers, walls, and in arises: In any 3 meters of length………………………………………………………………...6mm Maximum for the entire length...…………………………………………………….…..25mm b) For exposed corner columns , control joint grooves, and other conspicuous lines: In any 6 meters of length……………………………………………………….....….….6mm Maximum for the entire length...……………………………………………………......12mm 2、Minimum periods for retain formwork in position before striking shall not be less than 24 hours. 3、Install forms substantially free of surface defects. Caulk forms to prevent leakage. Provide 20mm chamfering at exposed corners. 4、Thoroughly clean forms and adjacent surfaces to r