Assalam o alaikum, Dear seniors, Recently i had two design a concealed beam for a case where, A slab of Lounge of dimensions 18 ft x 28 ft is to be designed. The slab is resting on walls o all 4 sides. I broke the span of slab in between and converted it into two panels of 14 ft x18 ft with a beam spaning in 18 ft direction. Slab is of 5 inch thickness and 4 inch thickness finishing. So Total debth of concealed beam i can provide is 9 inch ( 5 inch + 4 inch). Total factored load that comes out