A two-story building has the following characteristics. Determine the design earthquake spectral response acceleration parameter at short period, SD1, using ASCE 7-10.Risk Category IVSite Class CSS = 0.25, S1 = 0.10

A simply supported beam with dimensions of b = 16 in., h = 24 in., d = 21.5 in., and L = 21 ft supports a uniform service (unfactored) dead load consisting of its own weight plus 1.0 kips/ft and a uniform service (unfactored) live load of 0.8 kips/ft. The concrete is normal-weight concrete. Determine the moment due to the factored loads, Mu.      

A beam has dimensions of b = 16 in., h = 24 in., and d = 21.5 in. and is reinforced with 5 No. 5 bars. The concrete strength is 6,400 psi, and the yield strength of the reinforcement is 60,000 psi. Assuming the reinforcement has yielded, determine the tensile force T in the reinforcement.

Determine As,min for the following beam given that f’c = 6,750 psi and fy = 60,000 psi.

A beam has dimensions of b = 16 in., h = 22 in., and d = 19.5 in. and is reinforced with 3 No. 5 bars. The concrete strength is 3,100 psi, and the yield strength of the reinforcement is 60,000 psi. If the depth of the compressive stress block is a = 1.323529 in. and the strain in the reinforcement is εs = 0.03457, determine the strength φMn for this beam. Assume the transverse reinforcement is not spirals.

A beam has dimensions of b = 16 in., h = 30 in., and d = 27.5 in. and is reinforced with 5 No. 5 bars. The concrete strength is 3,100 psi, and the yield strength of the reinforcement is 60,000 psi. Assuming the reinforcement has yielded, determine the tensile force T in the reinforcement.

A beam has dimensions of b = 14 in., h = 24 in., and d = 21.5 in. and is reinforced with 3 No. 6 bars. The concrete strength is 8,800 psi, and the yield strength of the reinforcement is 60,000 psi. If the depth of the compressive stress block is a = 0.756303 in. and the strain in the reinforcement is εs = 0.052434, determine the strength φMn for this beam. Assume the transverse reinforcement is not spirals.

A simply supported beam with dimensions of b = 10 in., h = 28 in., d = 25.5 in., and L = 19 ft supports a uniform service (unfactored) dead load consisting of its own weight plus 1.0 kips/ft and a uniform service (unfactored) live load of 0.9 kips/ft. The concrete is normal-weight concrete. Determine the moment due to the factored loads, Mu.      

A beam has dimensions of b = 18 in., h = 30 in., and d = 27.5 in. and is reinforced with 5 No. 6 bars. The concrete strength is 2,800 psi, and the yield strength of the reinforcement is 60,000 psi. Assuming the reinforcement has yielded, determine the tensile force T in the reinforcement.

A beam has dimensions of b = 16 in., h = 24 in., and d = 21.5 in. and is reinforced with 5 No. 8 bars. The concrete strength is 6,700 psi, and the yield strength of the reinforcement is 60,000 psi. Determine the nominal moment capacity, Mn, of the beam.