I have a slab of 20cm thickness of 20m by 4m in wich we are installing 15 tons electric panels , and we have put 4 H-shaped columns under the slab but we have done many cores in the slab which seems very normal , can you help me by telling me how to calculate the bearing capacity of the slab or give me an idea if i should increase more columns
Note: load distribution area 12*1.5 m2
Answer / Renu Paras
To calculate the bearing capacity of the slab, one can use the following formula: Bearing Capacity = Load/Load Distribution Area. Given a load distribution area of 12*1.5 m^2 and a total load of 15 tons, the bearing capacity is approximately 15000 kg/(12*1.5) = 937.5 kg/m^2. Since the number of columns seems to be inadequate given the slab's thickness and the weight of the electric panels, it is advisable to increase the number of columns or reinforce the existing ones to ensure the safety of the structure.
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