Fixing of steel deck

(1) At least one spot welding shall be conducted on the large and small beams passing through the steel deck at each trough;

(2) The overlapping length of steel deck edge plate and edge formwork on the steel beam shall meet the requirements of design specifications;

(3) The spot welding spacing of steel deck and edging plate overlapped laterally on the steel beam shall not be greater than 500mm;

(4) The steel decks are connected and fixed with self tapping screws.