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- C (b/h) 8ød b/2 b/2 The geometry and reinforcement configuration of the column is given below. The material properties are CX/S420. The analysis results due to different loading combinations are as follows (C30,b=400mm,h%3D600mm) Combo 1: Nd%3D1250 kN / Mdx = 250 kN Combo 2: Nd%3D1000 kN / Mdx = 400 kN Combo 2: Nd%3D750 kN / Mdx = 550 kN Determine the longitudinal reinforcement of the column.Design Slab DEGH of the floor system shown below. Dead load pressure including the slab's weight is estimated at 5.3 kPa while live load pressure is 2.4 kPa. Use fc' = 21 MPa and fy = 345 MPa. The supporting beam is 350 mm x 500 mm. Use 12mm diameter bars. 6m A B 6m C 2.6 m D 2.6 m 2.6 m J E H K LL F I LA 3m-LONG CANTILEVER BEAM IS CARRYING A UNIFORM DEADLOAD OF 20 kN/m (EXCLUDING SELFWEIGHT OF THE BEAM), AND A LIVE LOAD OF 15 kN/m. OTHER GIVEN: fc = 27.5 MPa fy = 414 MPa b = 300mm h = 600mm diameter of main reinforcements, db = 25mm diameter of transverse reinforcements, ds = 12mm use clear concrete cover of 45mm unit weight of concrete is 25kN/m3 Solve for the following: a. Reactions at the fixed support. b. Maximum FACTORED moment of the beam, Mu c. Effective depth of the beam d. As required e. No. of 25mm reinforcements required to resist Mu f. Spacing of stirrups at the critical location (d from face of the support) - use manual calculations, show your solutions.
- 0211 A reinforced concrete one way slab is built integrally with support, consist of two equal spans as shown in Figure. Design the slab to carry service live load 4.8kN/m² and service dead load of 5.75 kN/m². Assume: fe 28 MPa and fy = 420 MPa and y=24kN/m². 1-Estimate the slab thickness using limitations of ACI-318M 2- Use the ACI-318M moment coefficients to determine the design moments at critical sections of the slab. 3-. Design the first panel at exterior sport only. 4-Find the load transfer to supporting interior beam. M 6m Fig.2 0.3m+ -4.5m- 11 11 -0.3m -4.5m- +0.3mThe rectangular wood beam is loaded as shown in the figure. Determine the largest allowable magnitude of the load P if the working stresses are 10 MPa in bending and 1.2 MPa in shear. P 150mm 8 kN/m 2m 1m B C 250mm9.4- A concrete slab with 180 mm thickness support dead load 5kN/m² include self- weight and service live load 4kN/m2, find: 1- Adequacy of slab thickness. 2- Steel area required at point 1, 2, 3&4. 3- Total load on beam AB and DC. Use Ø12 mm, f = 28MPA and fy = 400MPA 5 20 m- 5.20 m- -5.00 m- -5.20 m- opening 6.00 m B 2 6.00 m D 2.00 m
- A simply supported rectangular beam of length 6.45m has a width of 390.5mm and an effective depth of610.5mm. The beam is to be reinforced using 12 ?? bars. The beam supports service dead loads ofWd = 13.5kN/m and WL = 35.5kN/m. f'c = 28Mpa and fy=420 MPa Given: b= 390.5 mm d= 610.5mm L= 6.45 m Wd = 13.5 kN/m WL = 35.5 kN/m 1. Calculate the ultimate moment capacity of the beam.2. Calculate the height of the equivalent stress block.3. Determine the number of bars required for this beam.A simply-supported T-beam is subjected to two pairs of distributed loads: pair 1 (??1, ??1) and pair 2 (??2, ??2). The geometric, material and loading properties are all given.bf = 1326mmbw = 425mmt = 268mmLbeam = 13.4mWD1 = 54 kN/mWD2 = 152 kN/mWL1 = 53.4 kN/mWL2 = 181.7 kN/mfc' = 22.8 MPafy = 179.9 MPad = 879mmd' = 98mm 1. Solve for the height of the compression stress block using pair 1. 2. Solve for the theoretical steel area using pair 1. 3. Using ?? = 0.004, solve for the theoretical steel area using pair 2. 4. Using ?? = 0.005, solve for the theoretical steel area using pair 2.A 120 mm thick concrete slab is to be supported by the plan shown. The slab will carry a superi mposed dead load of 4.8 kPa and a superimposed live load of 1.9 kPa. The beams has the followi ng cross-section: АВ, GH — 300 тm X 500 тт AG, BH — 300 тт X 550 тm CD, EF - 300 тт X 450 тт 6.2 m A BI 2.5 т |C D 3 т E F 2.5 m G H. Determine the following if the unit weight of concrete is 24 kN/m³. a. dead loads acting on beam EF. b. live load acting on beam CD. c. dead load acting on Girder AG.
- The given section of beam is at the point of maximum moment of the beam loaded shown. Use n=8. Calculate the compressive force of the concrete. The answer is kN. 100 mm 100, 100 2-16 mm 0 50 mm Somm 142.5 KN/m 400man 6m 1-32m 1-320m 2,m lo0mmA simply supported beam has a height of 600 mm and a width of 300mm. Determine the maximum safe live load that the beam can carry. The dead load is the beam weight plus a superimposed load of 15 kN/m The stirrup size is 12 mm, the top bars are 2-20 mm and the bottom bars are 5-28 mm. The clear distance between layers of bottom bars is the bar size, 28 mm. Use fc'=30 MPa, Grade 60 (fy=414 MPa) reinforcements and concrete cover of 50 mm.2.) NSCP 2015 422.5.2.2 For calculation of Vc and Vs in solid, circular sections, d shall be permitted to be taken as 0.80 times the diameter and bw shall be taken to be as the diameter. Using simplified calculation for shear. The shear force is acting along the x-direction of column diameter, D = 600mm. It contains 8-28mm bars with fy = 415 MPa and f'c = 27.5 MPa. The lateral ties are 12mm with fyt = 275 MPa. The factored axial compression force is 3,000 kN. a. What is the shear strength capacity (kN) of concrete along x-direction? b. What is the shear strength capacity (kN) of ties if the spacing of the ties is 75 mm? Vux 600 mm