1.In a curved prestressed bridge, how should the guided bearings in piers of the curved region be oriented with respect to the fixed bearing in abutment?
2.Design a balcony slab exposed to the weather. The cantilevered span is 8 ft and the service live load is 100 psf. fc' = 4,000 psi, fy = 60,000 psi. [Hint: Reinforcement is placed on top. For thickness of slab, in addition to the provision of the main steel and shrinkage steel, at least 3 in. of depth (cover) should exist over and below the steel.