Matching Pairs SLAB DESIGNOnline version Match the concepts by JUAN JOSÉ CARRILLO BOLÍVAR 1 should be selected so that the actual spacing is not less than about 1.5 times the slab thickness. 2 are used for the top and bottom reinforcement in all spans. 3 are placed alternately in the floor slab. The location of bent points should be checked for flexural, shear, and development length requirements 4 is placed perpendicular to the supports of the slab Straight-bar System Main reinforcement Bar size Bent-bar