2. A 300 mm x 400 mm concrete beam has a span of 5.5m. A post tension force of 600 kN was applied at a point 60mm above the bottom of the beam. Assume concrete would not crack in tension. f.=20.7MPA. Unit weight of concrete is 23.5 kN/m3. Compute the following: а. Deflection due to prestressing force of 600 kN. b. Net deflection of the beam immediately after transfer. 60mm 5.5m
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- If FA = 40 kN and FB = 35 kN, determine the magnitude of the resultant force and specify the location of its point of application (x, y) on the slab.A 15 inches square steel bearing plate lies between a 9 inches diameter wooden post and a concrete footing as shown in the figure. Determine the maximum value of the axial load P if the stress in wood is limited to 1900 psi and that in concrete to 750 psi.The steel rod is stress-free before the axial loads P1 1⁄4 150 kN and P2 1⁄4 90 kN are applied to the rod. Assuming that the walls are rigid, calculate the axial force in each segment after the loads are applied. Use E 1⁄4 200 GPa.
- A building floor plan having two reinforced concrete slabs of 200 mm thick and density of 24 kN/m3 are supported by beams as shown in figure Q1. The slabs of floor are subjected to impose load 6 kN/m2, Find the total design load on beam B1.If possible, answer in 3 decimal places, thank you. For the wood beam shown in Figure A, assume L=1.5 m and P=8 kN. The beam cross section shown in Figure B has dimensions of b=47 mm and d=232 mm. (a) Determine the maximum horizontal shear stress in the beam. (b) If the allowable shear stress for the wood is 800 kPa, what is the minimum width b that is acceptable for this beam? Calculate the reaction forces By and Dy acting on the beam. Positive values for the reactions are indicated by the directions of the red arrows shown for the forces By and Dy on the free-body diagram below. (Note: Since Dx=0, it has been omitted from the free-body diagram.) By= kN Dy= kN Determine the shear forces VAB, VBC, and VCD acting in segments AB, BC, and CD, respectively. Note that the shear force is constant in each of these segments. When entering your answers, use the shear force sign convention. VAB= kN VBC= kN VCD= kN…Determine the normal stress in each of the cables? (MPa) a. 85.7 b. 75.7 c. 65.7 d. 55.7 If the cables elongated by 1 mm, what is the vertical displacement of the precasat slab? (mm) a. 1.758 b. 1.658 c. 1.458 d. 1.558 What is the tensile force in each of the cables? (kN) a. 5.98 b. 4.98 c. 7.98 d. 6.98 SOLVE ALL AND WILL GET A LIKE <3 ps: unit weight of concrete is 24kn/m^3
- A 360 mm thick footing slab supports a 300 mm thick wall carrying uniform service dead load of 264.7 kN/m and service live load of 111 kN/m. The base of the wall footing slab is 1.1 m from the ground surface. Use 16 mm diameter for main bars. Design parameters are as follows: γsoil = 18 kN/m3, γconc = 24 kN/m3, qa = 233.2 kPa, f’c = 27 MPa and fy = 414 MPa. Calculate the allowable nominal beam shear stress in MPa. Express your answer in 3 decimal places.A simply supported wood beam that is 9.0 m long carries a 30 kN concentrated load at B. The cross-sectional dimensions of the beam are b = 140 mm, d = 420 mm, a = 105 mm, and c = 20 mm. Section a–a is located at x = 1.5 m from B.(a) At section a–a, determine the magnitude of the shear stress in the beam at point H.(b) At section a–a, determine the magnitude of the shear stress in the beam at point K.(c) Determine the maximum horizontal shear stress that occurs in the beam at any location within the entire span.(d) Determine the maximum tensile bending stress that occurs in the beam at any location within the entire length.A simply supported wood beam that is 4.2 m long carries a 49 kN concentrated load at B. The cross-sectional dimensions of the beam are b = 130 mm, d = 420 mm, a = 65 mm, and c = 40 mm. Section a – a is located at x = 0.7 m from B. (a) At section a – a, determine the magnitude of the shear stress in the beam at point H. (b) At section a – a, determine the magnitude of the shear stress in the beam at point K. (c) Determine the maximum horizontal shear stress that occurs in the beam at any location within the entire span. (d) Determine the maximum tensile bending stress that occurs in the beam at any location within the entire length
- A simply supported rectangular beam of length 6.45m has a width of 437.5 and an effective depth of 692.5. The beam is to be reinforced using 12 mm bars. The beam supports service dead loads of 31 kN/m and 39.5kN/m., respectively. the fc' is 28MPa, fy is 420MPa and Wu is 89.9kN/m. 1. what is the ultimate moment capacity of the beam? 2. what is the height of the equivalent stress block? 3. Determine the number of bars required for this beamA simply supported wood beam that is 12.9 m long carries a 30 kN concentrated load at B. The cross-sectional dimensions of the beam are b = 150 mm, d = 380 mm, a = 100 mm, and c = 35 mm. Section a–a is located at x = 2.2 m from B. (a) At section a–a, determine the magnitude of the shear stress in the beam at point H. (b) At section a–a, determine the magnitude of the shear stress in the beam at point K. (c) Determine the maximum horizontal shear stress that occurs in the beam at any location within the entire span. (d) Determine the maximum tensile bending stress that occurs in the beam at any location within the entire length.A simply supported 4-m long beam is made up of 80% grade Malugai. The beam is carrying a uniform load of 10 KN/m all through out its length and a concentrated load of 500 N at the midspan. The cross-sectional area of the beam is indicated below. What is the actual bending stress of the beam in MPa? (use two decimal places, no need for unit) What is the actual shearing stress of the beam in MPa? (use two decimal places, no need for unit)