What is the horizontal distance or spacing between the reinforcement bars of an 80mm thick slab ? August 30, 2024 – by admin 0 A. 240mmB. 540mmC. 340mmD. 440mmExplanation: According to the codal provision, the spacing = 3*thickness of the slab or 300mm whichever is less.Hence the spacing s = 3*80mm=240mm.