About Balcony, precast concrete, installation

The most commonly used precast slabs orpanels for FLOOR and ROOF DECKS are thechannel and double-T types .The channel slabs vary in size with a depthranging from 9 to 12 in., width 2 to 5 ft, and athickness of 1 to 2 in. They have been used inspans up to 50 ft. If desired or needed, the legsof the channels may be extended across the endsFigure 7-16.-Typical precast panels.and, if used in combination with the top slabs.may be stiffened with occasional cross ribs. Wiremesh may be used in the top slabs for reinforce-ment. The longitudinal grooves located along thetop of the channel legs may be grouted to formkeys between adjacent slabs

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