Compute the maximum bar spacing, s, to control for cracks in a one-way slab with 2.3 in. of clear cover and f​y​ = 58 ksi.

A simply supported beam with dimensions of b = 14 in., h = 22 in., d = 19.5 in., and L = 25 ft supports a uniform service (unfactored) dead load of 1.720833 kips/ft including its own self weight plus a uniform service (unfactored) live load of 1.5 kips/ft. The beam is reinforced with five No. 7 Grade 60 bars. The concrete strength is 5,800 psi (normal weight). The beam has Grade 60 No. 3 stirrups. Determine the effective moment of inertia, Ie.The cracked moment Mcr = 53.75 kip-ft, and the maximum applied bending moment due to the combined service loads (dead plus live) Ma = 251.6 kip-ft. The neutral axis location of the cracked beam (measured from the top of the beam) is 6.1763 in.

A rectangular beam has a cross section of b = 16 in., h = 24 in., and d = 21.5 in. It is reinforced with four No. 6 Grade 60 bars. The concrete strength is 4,600 psi (normal weight). The beam has Grade 60 No. 3 stirrups. Determine the neutral axis location of the cracked beam (measured from the top of the beam).

Compute the maximum bar spacing, s, to control for cracks in a one-way slab with 1.6 in. of clear cover and f​y​ = 62 ksi.

A rectangular beam has a cross section of b = 16 in., h = 28 in., and d = 25.5 in. It is reinforced with five No. 6 Grade 60 bars. The concrete strength is 3,400 psi (normal weight). The beam has Grade 60 No. 3 stirrups. Determine the cracked moment of inertia, Icr. The neutral axis location of the cracked beam (measured from the top of the beam) is 6.7139 in.

A rectangular beam has a cross section of b = 14 in., h = 30 in., and d = 27.5 in. It is reinforced with two No. 7 Grade 60 bars. The concrete strength is 8,800 psi (normal weight). The beam has Grade 60 No. 3 stirrups. Determine the cracked moment of inertia, Icr. The neutral axis location of the cracked beam (measured from the top of the beam) is 4.6129 in.

A simply supported beam with dimensions of b = 18 in., h = 26 in., d = 23.5 in., and L = 24 ft supports a uniform service (unfactored) dead load of 1.8875 kips/ft including its own self weight plus a uniform service (unfactored) live load of 1.1 kips/ft. The beam is reinforced with five No. 6 Grade 60 bars. The concrete strength is 2,800 psi (normal weight). The beam has Grade 60 No. 3 stirrups. Using the effective moment of inertia, determine the immediate mid-span deflection of the beam due to the combined service loads (dead plus live).The effective moment of inertia Ie = 8,321.8 in.4.

A simply supported beam with dimensions of b = 16 in., h = 26 in., d = 23.5 in., and L = 23 ft supports a uniform service (unfactored) dead load of 1.933333 kips/ft including its own self weight plus a uniform service (unfactored) live load of 1.1 kips/ft. The concrete is normal-weight concrete. The beam is reinforced with 3 No. 7 bars. The concrete strength is 2,800 psi, and the yield strength of the reinforcement is 60,000 psi. Determine the maximum applied bending moment due to the combined service loads (dead plus live), Ma.      

Hillary saw an ad for ice cream and thought she should pick up some ice cream bars on her next trip to the store. The advertisement had created ________ for Hillary.          

A beam is singly reinforced with the reinforcement in two rows. The bottom row contains 8 No. 6 bars at a depth of 16 in. The top row contains 5 No. 7 bars at a depth of 12.5 in. Determine the effective (centroidal) depth, d, of the steel.