If you refer to IS:1893 code, you can see that it has been recommended to consider 100% mass/weight from Dead loads and 25% or 50% mass/weight of Live load depending the live load intensity(refer to Table-8). In a mass reference load case, you need to define 100% of Loads from Dead loads and 25% or 50% of loads from Live load depending the live load intensity. The loads should be applied in three orthogonal direction.
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