The deep beam shown below supports a factored load of 1500 kips. Draw a truss model neglecting the effects of stirrups and the dead load of the wall. Check the strength of the nodes and structs and design the tension tie. Use 5 ksi normal-weight concrete and fy = 60 ksi. Consider the overall beam height of 12 ft and the effective depth is approximately 11 ft 32" 6 ft A B 1500 kips C 34 in 21 ft D 28"

Given are the following: 300 Unit weight of concrete = 24 kN/m3 f'c = 28 Mpa fse = 850 MPa fpu = 1350 MPa Aps = 750 mm? fpy = 1280 MPa Beam is a simple span and have a length of 24m. Use unbonded tendons as prestressed reinforcement. A. Determine the value of fps (MPa) B. Determine the nominal moment strength (kN-m) 750 850

A rectangular tied column carries a factored axial load of 2060 kN. The width of the column is limited to 350 mm and the clear cover of the column is 40 mm. If the concrete compressive strength is 28 MPa, the yield steel strength is 415 MPa, and the steel ratio is 0.02. a. Determine the dimensions of the cross-sectional area of the column. b. Determine the number of 20-mm diameter bars needed for reinforcement. C. Determine the clear spacing of the longitudinal bars.

A rectangular beam 250 mm wide, 500 mm deep is reinforced at the bottom with 4-20-mm-diameter bars and at the top with 2-16-mm bars. Concrete cover to bar centroid at the top is 80 mm and at the bottom is 70 mm. Use concrete strength f’c = 27 MPa and steel yield strength fy = 275 MPa for 20-mm bars and fy = 230 MPa for 16-mm bars. determine the design moment capacity of the beam in positive bending. A rectangular beam 250 mm wide, 500 mm deep is reinforced at the bottom with 4-20-mm-diameter bars and at the top with 2-16-mm bars. Concrete cover to bar centroid at the top is 80 mm and at the bottom is 70 mm. Use concrete strength f’c = 27 MPa and steel yield strength fy = 275 MPa for 20-mm bars and fy = 230 MPa for 16-mm bars. determine the limitimg tensile steel ratio for a tension controlled condition in positive or negative bending with the given material strengths.