12 The floor of the office building is made of 4inthick ligh

1-2. The floor of the office building is made of 4-in.-thick lightweight concrete. If the office floor is a slab havinga length of 20 ft and width of 15 ft, determine the resultant force caused by the dead load and the live load.

thickness of concrete= 4 inches =4/12 feet

length= 20 feet

width=15 feet

taking density of lightweight conrete=96 lb/ft^3

Value of dead load= (4/12)x20x15 x96 = 9600 lbs

live load for offfice buildings- 50 lb/ft^2

Value of Live load= 50 x20x15= 15000 lb

Total load= 15000+9600= 24600 lbs

1-2. The floor of the office building is made of 4-in.-thick lightweight concrete. If the office floor is a slab havinga length of 20 ft and width of 15 ft, de

12 The floor of the office building is made of 4inthick ligh

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