Composite metal deck bears directly on structural steel floor beams with welded shear studs providing composite action. Detail A features aligned deck profiles with staggered studs and specific centerline offsets for beams lighter than seventeen pounds per foot. Detail B provides aligned deck with concentric stud placement centered on the beam flange. Detail C involves an offset deck condition requiring an eighteen gauge minimum continuous closure strip and split deck spanning the full length of the beam.
RIB AS REQ'D. STUDS CL. BM. & STUD CL. BM. 17#/FT LOCATE CL. OF STUD AT BMS. LIGHTER THAN SEE PLAN METAL DECK 18 GA. MIN. CLOSURE, STRIP OF DECK SEE 'A' FOR INFO NOT SHOWN CONT. OR BEGIN NEW SEE PLAN STAGGER NOTE: 1. METAL DECK STIFFENING METAL DECK W/ CL. OF BM. & REMOVE OFFSET DECK C B ALIGNED DECK ALIGNED DECK A LENGTH OF BM. SPLIT DECK FULL SEE ARCHITECTURAL AND MECHANICAL DRAWINGS FOR INSERTS NOT SHOWN. 3/4 1 1/2-12 1 1/2" MIN. 1 1/2" MIN. 1 1/2" MIN. 1" MIN. 4 1/2" MIN.
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