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Assuming Vs exceeds 4sqrt(f’c)bwd, the maximum spacing for vertical stirrups in the following beam is _____. Let b1 = 20 in., b2 = 10 in., d1 = 6 in., and d2 = 17 in. There are three No. 8 longitudinal tension bars and No. 4 stirrups at 6 in. o.c.

Assuming Vs exceeds 4sqrt(f’c)bwd, the maximum spacing for vertical stirrups in the following beam is _____. Let b1 = 36 in., b2 = 13 in., d1 = 6 in., and d2 = 21 in. There are three No. 9 longitudinal tension bars and No. 5 stirrups at 11 in. o.c.

Use ACI 318-14 Table 25.4.2.2 to determine the development length for the straight tension bars (no hooks) in a rectangular beam with b = 18 in. and d = 24 in., five uncoated No. 9 Grade 60 bars placed in the bottom of the beam, and No. 4 Grade 60 stirrups located every 12 in. along the span. Assume 6,000-psi lightweight concrete and a clear cover of 1.75 in.

Companies often reorganize their operations which might include lay-offs, divestiture of business units, or other decisions linked to their ability to maximize profitability.  Which dimension of social responsibility is related to a firm’s desire to maximize profits?

For a beam with stirrup hooks, the free end of the bar must extend at least _____ from the hook. Assume b = 16 in., d = 25 in., and that there are four No. 9 longitudinal tension bars and No. 3 stirrups at 12 in. o.c. The stirrup hooks are 135°.

Assuming Vs exceeds 4sqrt(f’c)bwd, the maximum spacing for vertical stirrups in the following beam is _____. Let b = 12 in. and d = 29 in. There are four No. 7 longitudinal tension bars and No. 5 stirrups at 7 in. o.c.

At a point subjected to plane stress, the stresses are σx = 25 ksi, σy = 5 ksi, and τxy = –20 ksi. Determine the angle θp corresponding to the orientation of the principal planes at the point.

If φVc = 30 kip and Vu = 65 kip, are stirrups required?

A 115-mm-long beam supports a load of P = 36 N at midspan. The cross section is rectangular with width b = 29 mm and height h = 60 mm. Determine the magnitude of the horizontal shear stress at the centroid of the cross section.

Assuming Vs does not exceed 4sqrt(f’c)bwd, the maximum spacing for vertical stirrups in the following beam is _____. Let d = 33 in., w = 25.5 in., and t = 5 in. There are five No. 7 longitudinal tension bars and No. 3 stirrups at 6 in. o.c.