(a) The lightest W12 section using Load and Resistance Factor Design (LRFD) method.

Question

A one-story building as shown in the plan, if the height of the concrete floor is 320 m, the width of the wall is 0.24 and the roof is made of reinforced concrete, the amount of iron for the roof is 100 kg m3 and there are downward depressions with a depth of 0.40 and a width of 0.25 along the wall and the amount of reinforcing iron is 89 kg m3 and there are 14 columns with dimensions of 0.500.30 and a height of 2.80, the amount of reinforcing iron is 120 kg m3 Find The amount of bricks used for construction The amount of mortar used for construction (cement + sand) -1 -2 The amount of plaster for the building from the inside is 2 cm thick (cement + sand) -3 Quantity of floor tiles for the room Quantity of concrete for the ceiling and beams. Ceiling thickness: 0.20 m. Total amount of reinforcing steel for the roof (tons) Quantity of reinforcing steel for columns (tons) Total amount of reinforcing steel for balls (tons) -4 -5 -6 -7 -8

Answer 1

Question

Chapter 6, Problem 6.8.1P

To determine

(a)

The lightest W12 section using Load and Resistance Factor Design (LRFD) method.

To determine

(b)

The lightest W12 section using Allowable Strength Design (ASD) method.

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A one-story building as shown in the plan, if the height of the concrete floor is 320 m, the width of the wall is 0.24 and the roof is made of reinforced concrete, the amount of iron for the roof is 100 kg m3 and there are downward depressions with a depth of 0.40 and a width of 0.25 along the wall and the amount of reinforcing iron is 89 kg m3 and there are 14 columns with dimensions of 0.500.30 and a height of 2.80, the amount of reinforcing iron is 120 kg m3 Find The amount of bricks used for construction The amount of mortar used for construction (cement + sand) -1 -2 The amount of plaster for the building from the inside is 2 cm thick (cement + sand) -3 Quantity of floor tiles for the room Quantity of concrete for the ceiling and beams. Ceiling thickness: 0.20 m. Total amount of reinforcing steel for the roof (tons) Quantity of reinforcing steel for columns (tons) Total amount of reinforcing steel for balls (tons) -4 -5 -6 -7 -8

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