The L-beam section has a web width b₁ =250 mm, a flange width of 1000 mm, a flange thickness of 180 mm, and an effective depth, d, of 442.5mm Determine the necessary reinforcement if the applied factored moment is 150 kN.m, and the ACI Code limitations. Given: f'c 21 MPa and fy = 420 MPa
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- A rectangular bear has a wish of 300mm and a total depth of 650mm , calculate the area of steel reinforcement repral Take, M. 360kN.m f30 MPa and , 400MPDate: Practice Problem 1 Given the following girder properties: bne lalxA ben Properties A = 11500 mm2 y = 266x106mm* ly = 45x106mm* d. = 350 mm %3D bf = 250 mm F, = 248 MPa Fb = 148 MPa F, = 99 MPa tf = 16 mm tw =10 mm a) Find the Web Shear Capacity b) How much is the horizontal shear capacity (kN) at the neutral axis? c) If the girder was used as an 8-meter-long simple span carries equal concentration dead load, P at every quarter points and a uniform load of 12.2 kN/m, determine the load P based on shear capacity. d) Find the maximum shear stress if it is used as a 8 m beam simply supported at the left end and 2 m from the right end which carries a total uniform load of 45 kN/m.A W1422 acts compositely with a 4-inch-thick floor slab whose effective width b is 90 inches. The beams are spaced at 7 feet 6 inches, and the span length is 30 feet. The superimposed loads are as follows: construction load = 20 psf, partition load = 10 psf, weight of ceiling and light fixtures = 5 psf, and live load = 60 psf, A992 steel is used, and fc=4 ksi. Determine whether the flexural strength is adequate. a. Use LRFD. b. Use ASD.
- a simply supported beam 300mm wide, 500mm deep and spans 5.7m supports a service super imposed dead load of 8kN/m and service live load of 7kN/m. concrete strength f'c=21MPa and steel yield strength fy=415MPa. concrete cover to bar centroid is 70mm. determine the required amount of tensile reinforcement in mm^2 as per provisions of NSCP 2015.Problem. A SRCB is subjected to loads as shown. Required: Adequacy of the SRCB against flexure @ midspan & support based on USD -NSCP 2010. Draw V & M diagram. Use: fy= 41A MPa; fc'=3C MPa; sc=70 mm. A=3mm, B=7mm, C=8mm, D=7mm. DL = 2A KN/m & LL=3B KN/m A=3 B=7 2m 6.D m C=8 D=7 1m 4-2Ammp 3C0 6B0 4-2Ammø REBARS SECTION OF SRCB (Units in mm)With fy = 60,000 psi, select the reinforcing for T-beam AB for the floor system shown. The live load is 80 psf, while the dead load in addition the concrete's weight is 100 psf. Concete is assumed to weigh150 Ib/ft. The slab is 4 inches thick, the effective depth is 24 inches, and the width of the web is 15 inches. A edge L beam T beams 32' 4 @ 12' = 48"
- Problem No. 3A beam 200x450mm is reinforced by 2-32mm diameter rebar. Assume Cc-50mm, stirrups-10mm, fc'-21Mpa and fy-415Mpa. Calculate the following. 17. Calculate the strain of the steel reinforcement O 0.00182 O 0.00201 O 0.00224 O 000391 O 0.00577Determine the numbers of rebars required for a RC beam (h=400mm, b=700mm) carrying a factored moment of 796 kPa. The concrete used has a compressive strength of 28MPa, while steel yields at 345MPa. Assume single layer of reinforcements (compression and/or tension side) and do not check for rebar spacing anymore. Other parameters: Cc = 40mm db = 20mm ds = 10mm Provide illustration if necessary and answers must be in 3 decimal places.a simply supported beam 300mm wide, 500mm deep and spans 5.1 m supports a service super imposed dead load of 9 kN/m and service live load of 9 kN/m. concrete strength f'c=21MPa and steel yield strength fy=415MPa. concrete cover to bar centroid is 70mm. determine the required amount of tensile reinforcement in mm^2 as per provisions of NSCP 2015.
- Material Strengths: of=41.4 MPa, fy = 414 MPa Determine the moment capacity (M) of the beam with the following details. There are two layers of reinforcement. Excerpt from the code: Where parallel reinforcement is placed in two or more layers, bars in the upper layers shall be placed directly above those in the bottom layer with clear distance between layers not less than 25 mm. b=300 mm h=500 mm Cc = 40 mm dtie =12 mm dagg = 24 mm As = 8-25 mm diameterAn existing beam section was investigated and found out the following elements: b = 250 mm h = 450 mm concrete cover = 40 mm diameter of stirrups= 10 mm fy = 276 Mpa f'c = 27.6 Mpa Bottom bar reinforcement: 2pcs - 20 mm Determine the depth of compression block using NSCP 2015 when the stain of the steel reach 0.005. answer in millimeter and 3 decimal places.The prestressed I beam shown in cross section is pre tensioned using seven ordinary strands grade 250 (fpu = 1728 MPa) carrying an effective prestress fpe 988 MPa. fpy =1480 MPa %3D -300 0.85fc' 150 a 300 440 600 (d-a2) e 300 T=Aps fps Aps =650 mm2 Total depth of beam = 600 mm Distance from center to tendons to the top of the beam = 440 mm Aps = 650 mm2 %3D Average flange thickness = 150 mm Width of flange = 300 mm Thickness of web = 100 mm fc' = 27.6 MPa Determine the ultimate moment capacity of the beam in kN-m.