PROBLEM: 1. Given the dimensions and loading of the beam below, design the number of reinforcements and check the capacity of the beam. Highlight your final answer and sketch the final design. Conditions: -Use 16 mm diameter of rebar. - minimum concrete cover of 40 mm F 29.91 kN/m II 6m 300mm 450mm fo' = 24MPa fy= 275 MPO
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- A rectangular beam 250 mm wide, 500 mm deep is reinforced at the bottom with d-20-mm-dismeter bars and at the top with 2-16-mm bars. Concrete cover to bar centroid at the top is M0 mm and at the bottom is 70 mm. Use concrete strength r'e-21 MPa und steel yield strength fy 415 MPa for 20- mm bars and fy= 275 MPA for 16 mm bars Detenmine the design moment capacity n kN m of the beam in negative bending. A 40.06 O45.07 C. 42.70 D47.55ASAP DONT REJECT ME, I'LL GIVE UPVOTE THANK YOUU Solve the basic development lengths in tension for the following deformed bars embedded in normal-weight concrete. State if you have assumptions. (a) 12mm bar dia; 32 mm bar dia. fy = 41.4 MPa fy = 413.7 MPa (b) 44mm bar dia; 57 mm bar dia. f c = 28 MPa fy = 552 MPaA short post is made by filling a standard6x6x steel tube with conerete, as shown in Figure P3-67. The steel has an allowable stress of 21 600 psi. The concrete has a rated strength of 6000 psi. but, in this application, the stress is to be limited to 1500 psi. See Section 2-10 for the modulus of elasticity for the concrete. Compute the allowable load on the post.
- 3. A reinforced rectangular concrete beam having a width of 300 mm, effective depth of500 mm, fc’ = 24 MPa, fy = 415 MPa, 4 - 28 mmɸ, d’ = 65 mm. Present the following (a) actual steel ratio (b) maximum steel ratio (c) a(d) c (e) check if steel yields (f) ?steel(g) type of failure (h) reduction factor (i) moment capacityDetails of a rectangular column are as follows: Column width along X-axis-250 mm Column Depth along the Y-axis-600 mm 8-25 mm diameter bars distributed equally along the longer sides. 10 mm diameter ties spaced at 10 mm on centers Concrete 28th day Compressive strength, fc;=20.7 MPa Reinforcing Steel yield strength, fy-415 MPa Assume that compression steel yields. a) Which of the following gives the nominal balanced load Pb (kN). A = 90.4 mm b) Which of the following gives the nominal axial load (kN) that the column n carry at an eccentricity of 200 mm along the X axis from the centroidal Y-axis.Question 3: Determine the tensile straight development length required for the 20 mm uncoated bottom bars shown below (assume Ku = 0). Use f'= 20 MPa, f, = 420 MPa. Consider side and bottom concrete cover = 40 mm and diameter of stirrups = 10 mm. 10@250mm 4620 | 300 mm uu 007 wu 009
- Given a beam section b angle D = 450mm * 950mm M*=1500kNm, f_{c}' = 32MPa f_{5y} = 500MPa and the maximum aggregate size=20mm. Design and detail the section. Use N28 bars for the main reinforcement and R10 bars for stirrups. Exposure classifi-cation A2 applies. Please don't hand writingNeed complete and elaborate solution A.Using ASD, check the adequacy of the base plate (PL400x350x19 mm) centered on a W12X152 column as shown. It is resting on a concrete pedestal that is 450 mm x 400 mm. The loads are PDL = 600kN and PLL = 320 kN. Use A-36 steel and concrete fc’=20 MPa. B. Using LRFD, PL400x350 mm base plate, W12x120 column, 500x500 mm pedestal, PDL = 1200 kN and PLL = 800 kN. Use A-50 steel and concrete fc’ = 30 MPa. Determine the required base plate thickness.Need complete and elaborate solution Using ASD, check the adequacy of the base plate (PL400x350x19 mm) centered on a W12X152 column as shown. It is resting on a concrete pedestal that is 450 mm x 400 mm. The loads are PDL = 600kN and PLL = 320 kN. Use A-36 steel and concrete fc’=20 MPa.
- 22² 12" 4#8 NWC. fe= 3000 psi, Grade 60 steel Mer=? (b) If M=50 (c) & Mn = ? ft-kips fc & fs = 1With 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"Help me how to design the REINFORCED CONCRETE BEAMS WITH IRREGULAR CROSS SECTION as shown infigure 1 using the following parameters:F’c = 3,500 Psi Fy=Grade 40 Stirrups = Φ10mmMu = 200 Kn-M All Concrete cover = 30mm Es=200,000 Mpa Find the following: AC area of compression concrete stress block in mm. Assume z = 0.85dEff a height of compression concrete stress block in mm. c distance from the neutral axis to outermost compression fiber in mm. z actual moment arm for Mu=ØTz in mm. As actual area of tension steel in sq.mm. N quantity of Ø20mm steel rebars ЄS Actual Strain of steel ЄY Yield Strain of steel Check if the beam is singly reinforced concrete in the designed then concludeCheck: ЄY < = > ЄS Draw the Working Drawings of the x-section.