5. Assume the sections have cracked and use the transformed-area method to compute their flexural stresses for the loads or moments given. 1.5 k/ft (including beam weight) -24 ft- 488 -12 in 17 in * = 10
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- Q) Determine the elastic and plastic moment of resistance of the RC beam. The beam is a trapezoid in shape. B1 at top = 300mm, B2 at bottom = 500mm, total height = 600mm, height from top to the bottom of the steel reinforcement = 570mm, As = 1473mm^2, Fy=350MPa, Fcu=30MPa Solve this earlyAxial loads are applied to the compound rod that is composed of an aluminum segment rigidly connected between steel and bronze segments. What is the stress in each material given that P-10 kN? Draw the FREE BODY DIAGRAM.Design the beam to resist the loads shown using WSD Method. Take fc = 9 MPa, fs = 124 MPa, n= 11, bar diameter = 20 mm. Take b = d/2
- The wooden section of the beam below is reinforced with two steel plates as shown. determine the moment maximum internal M that the beam can withstand if the allowable stresses for wood and steel are (σadm)wood = 6 MPa and ((σadm)steel = 150 MPa, respectively. Use E(wood) = 10 GPa and E(stell) = 200 GPa.Question 22 A concrete floor slab 100 mm thick is cast monolithic with concrete beams 2.0 m on centers. The beams have a span of 4 m and have a web width of 250 mm, an effective depth of 400 mm and overall depth of 500 mm. The tensile reinforcement consists of 6-ϕ32 mm bars in two rows. Use material strengths f’c = 21 MPa and fy = 415 MPa. Calculate the ultimate bending moment strength of the T-beam in kN·m.Find the allowable safe load P if the stresses in the bar are the following :AB=60 ksi BC =50ksi CD=70ksi
- A structural steel member is in the form of tee. bf= 300mm , tf= 100mm, bw= 200mm, d=300, fy= 248 Mpa. Determine the following: a. location of plastic neutral axis from the top of the beam b. plastic section modulus c. plastic moment capacityA concrete floor slab 100 mm thick is cast monolithic with concrete beams 2.0 m on centers. The beams have a span of 4 m and have a web width of 250 mm, an effective depth of 400 mm and overall depth of 500 mm. The tensile reinforcement consists of 6-ϕ32 mm bars in two rows. Use material strengths f’c = 21 MPa and fy = 415 MPa. Calculate the ultimate bending moment strength of the T-beam in kN·m. A. 640 B. 701 C. 778 D. 711A T-beam has the following properties: bf = 820 mm, bw = 250 mm, d = 470 mm, t = 100 mm. f’c = 20.7 MPa, fy = 414 MPa. Determine the required tension steel area when: a.MD = 175 kN-m, ML = 190 kN-m b.Find the maximum design moment so that its tension controlled. (USE c = 3d/8). Tension steel exactly experiences 0.005 strain. hello please answer that question,,thank you God bless
- The dimensions of a rectangular beam are limited to b = 300 mm and h = 770 mm. Assume that the bar centroid of tension bars is 70 mm from the beam edge and that of compression bars is 60 mm. Using f’c = 28 MPa, long bar fy = 415 MPa, calculate the following for a factored bending moment of 1200 kN: a. Maximum steel ratio limiting the tensile strain to 0.004. b. Required amount of tensile reinforcement if the tensile steel strain is limited to 0.005. c. Required amount of compression reinforcement.A W12x79 of A573 Grade 60 (Fy = 415 MPa) steel is used as a compression member. It is 8 m long, pinned at the top fixed at bottom with additional lateral support at mid height in the weak direction. The properties are as follows: Ag = 14,500 sq.mm, Ix= 258.6 x10^6 mm ^4 Iy=84.375 x 10^6 mm^4. 57. Calculate the flexural buckling stress Fcr in MPaA 300 mm x 125 mm I-beam has flanges 13 mm thick and web 8.5 mm thick. Calculate the shape factor and the moment of resistance in the fully plastic state. Take бy = 250 MN/m2 and Ixx = 85 x 10-6 m4.