he value of stack room is 7.2 kPa.
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- PROBLEM 4: The steel framework is used to support the 100mm reinforced lightweight concrete slab that carries a uniform live loading of 25 kN/m². Sketch the loading that acts along members BE and FD. Set b = 3m, a = 2.4m (Hint: see the Table for Dead Loads) C A B a Answer: Reaction @ B: 57.2kN Reaction @F: 95.4 kNP 3) A simply supported beam constructed by four woods nailed together as shown in the figure. If each nail can support a shcar force of V-11 kN, and the allowable shcar stress for the material is (twood)Jallow=2 MPa, Considering the only shear effect; A 3m В 3m + a) Calculate the P force that the beam can carry safely. b) Using the calculated value of Pin (a), determine the maximum distance between the nails. 12em 12 Figure-3the service load bending moments acting on a rectangular beam 333 mm wide and 617mm deep are 139.65kn-m for dead load and 91.15kn-m for live load. f'c=29.99moa fy=414mpa p=0.68pbak db=20mm ds=10mm stirrups are sipral calculate the D/C ratio in percentage
- Title: Design of Beam in Flexure (WSD Method) PROBLEM: Design the beam to resist the loads shown. Take fc = 9 MPa, fs = 124 MPa, n = 11, bar diameter = 20 mm. Take b = d/2. Use WSD method. As (Gomm 20 KN lo Ka/m 8 KN/m 3mA 300mm x 500mm rectangular concrete beam is reinforced with four pieces 25mm diameter bars. The beam is simply supported on a span of unknown length. The uniform linear dead load from the slab is 18KN/m (weight of beam not included) and the uniform linear live load is 10kN/m. The effective depth of the beam is 430mm. the beam. Use area of one 25mm diameter bar = 510mm2. Using your own values of fc' = 20.1 MPa and fy = 335 MPa from the excel file, determine the safe length60 mm 150 mm 60 mm 300 mm 600 III 60 mm 150 m
- Solve Sample Problem No. 1 using these load values: a. M D =175 kN-m,M L =1 90 kN-m b. Find the maximum design moment so that its tension controlled. (USE c = 3d / 8). Tension steel exactly experiences 0.005 strain.A simply supported wood beam of length L = 8 ft carries a concentrated load Pat midspan, as shown. The cross-sectional dimensions of the beam are b = 6 in. and h = 10 in. If the allowable shear strength of the wood is 130 psi, determine the maximum load P that may be applied at midspan. Neglect the effects of the beam's self-weight. y h х B Answer: P = i Ib Save for Later Attempts: 0 of 1 used Submit AnswerProblem 3. The square timber is used as a railroad tie as shown in the figure. It carries two uniformly distributed loads of 69 kN each. The reaction from the ground is distributed uniformly over the length of the tie. Determine the smallest allowable dimension b, in mm, if the working stress in shear is 0.80 MPa. Use: a = 0.55 mm b = 0.2 m c = 1.0 m b
- Rectangular reinforced concrete beam section b = 40 cm, h = 60 cm, d = 53 cm, material strength fy = 4200 = 4200 kgf / cm^2, fc ' = 280 kgf/cm^2, beam section configuration #4 For closed stirrups @15 cm, the net cover is 4 cm, and the beam section is subjected to a torque of Tu = Tcr. Q: What is the ultimate shear load value Vu that the beam section can bear. Among them, Tcr is the cracking torque of the beam section, #4 steel bar (db=1.27 cm, Ab=1.267 cm^2).Q2) For single story building shown in Figure below, all beams are 300x500 mm, all columns are 300x300 mm. The building subjected to dcad load 3 KN/m and the roof live load 8 KN/m 5 m 0.3 a. The slab thickness for deflection control. b. Check the shear adequacy of the slab. c. By using Ø 12 mm, what is the required 12 m positive reinforcement at section A-A?. d. If the top reinforcement at section B-B is Ø 12 mm @ 200 mm, show if this reinforcement is adequate to support the applied load? e. Find the maximum applied load on beam A &B 0.3 B 12 m 0.3 12e200 53m 5.30 m Good Luck 1 045A cantilever timber beam (FIGURE A) with a span of L = 12.3 ft supports a linearly distributed load with maximum intensity of wo. The beam width is b = 15.00 in. and the beam height is h = 8.25 in. (Figure B). The allowable bending stress of the wood is 950 psi. Calculate the magnitude of the maximum load wo that may be carried by the beam. Wo A В L b FIGURE A FIGURE B Part 1 Determine the section modulus for the rectangular cross-section about the horizontal centroidal axis. S = i in.