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"

The beam is reinforced with 3 legs of 10 mm diameter stirrups spaced 90 mm on center. Determine the shear strength of the beam

A rectangular beam has a width of 300mm and an effective depth of 537.50 mm to the centroid of tension steel bars. Tension reinforcement consists of 6 - 28mm dia in two rows, compression reinforcement consists of 2 - 22mm dia, fc' = 27.6MPa, fy = 414.7MPa, d' = 60mm, L = 4m, the Unit weight of concrete is 24.56kN/cu.m If the beam is simply supported carrying a uniformly distributed dead load of 10kN/m, a uniformly distributed live load of 5kN/m, the safe concentrated live load that it could carry acting at the midspan is _________kN. IS 456:2000

A rectangular beam has b = 310 mm and d =460 mm. The beam will be designed to carry a service dead load of 230 kN-m and service live load 190 kN-m. Compression reinforcement if necessary will have its centroid 70 mm from extreme concrete fiber. Determine the require steel area. Use fc = 28 MPa and fy = 415 MPa. %3D %3D %3D

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5. The beam shown is reinforced for positive moment with three epoxy-coated #11 bars. The bars terminate at the center of the supports. Neglecting beam weight (concentrated loads are very heavy), determine if the required development length is satisfied. Assume As required = 4.55in², 2 in. clear cover on all sides of the longitudinal reinforcement, normal weight concrete, #3 stirrups @12 in o.c., f'c = 5000 psi and fy = 60,000 psi. 8 ft | Pu 20 ft Pu 8 ft ge2 of 56 30 in b=14in. ed 5/15/2020 As = 3-#11

1. The strain profile of the section below with compression reinforcement was calculated with a computer program. All dimensions are to center of the reinforcements. Material properties: (a) (b) (c) Concrete, f'e = 4.0 ksi Steel, fy = 60.0 ksi Is the section tension controlled? What is the strength reduction factor (p)? Check if the forces in the section are in equilibrium. Do not correct them if they are not in equilibrium. What is the nominal moment resistance of the section? (4) #9- #5@4" (5) #11. (5) #11 -24"- SECTION 3" 3" 3" 48" 0.015 0.01 0.005 Strain diagram eps ecu epst 10.035 0.01 @lowest reinforcing steel Strain Profile 0 10 20 30 40 50 60 -0.005

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