2. Design a two-way slab having a dimension of 3m x 4m. The slab is to carry a uniform live load of 1900 Pa. Assume fc' = 27.6 MPa and fy = 280 MPa for main bars. The slab is exposed to earth or weather. Use Unit weight of concrete yc = 23.5kN/m³. Use NSCP 2015. 4m 4m 4m 3m 3m 3m
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- Problem: Design a two way slab using the Coefficient Method considering an interior panel (Case 2). The slab will carry office spaces for service live load. The dimensions of the interior panel are 4.50 m x 5.50 m. Use 2015 NSCP Strength Design with f'c = 24 MPa and Fy = 276 MPa. Unit weight of concrete is 23.56 KN/cu m. Include simple structural details as part of your output at the end of your computations. Note: Refer to the NSCP for live load.Please answer with complete illustration. A cantilever slab has a span of 2.40 m. It is 150 mm thick and has an effective depth d = 110 mm. It is reinforced with 16 mm rebars @ 150 mm o.c. If f’c = 27 MPa, fy = 276 MPa, what is the safe live load that the slab can carry? Use 2015 NSCP strength design. Unit weight of concrete for DL: 23.56 KN/cu m.Design a two way slab using the Coefficient Method considering an interior panel (Case 2). The slab will carry office spaces for service live load. The dimensions of the interior panel are 4.50 m x 5.50 m. Use 2015 NSCP Strength Design with f'c = 24 MPa and Fy = 276 MPa. Unit weight of concrete is 23.56 KN/cu m. Include simple structural details as part of your output at the end of your computations. Note: Refer to the NSCP for live load.
- A rectangular concrete beam has a width of 300mm and an effective depth of 450 mm to centroid of the tension bars. The beam is reinforced with six-32 mm ᴓ tension bars placed in two layers with the outer layer having a depth of 478 mm, and two 28 mm ᴓ compression bars with centroid 65 mm from the extreme tension fiber. Use the 2010 NSCP, fc’ = 34.5 MPa and fy = 345 MPa. Assume the concrete displaced by the compression steel cannot be neglected and that compression steel yields. Determine the following: The balanced steel ratio if the beam is singly reinforced. The maximum steel ratio for a singly-reinforced section in tension control. The maximum steel area in mm2 for a doubly reinforced section in tension control.Problem 4.39 Design the one-way slab shown in the accompanying figure to support a live load of 10 kN/m2. Do not use the ACI thickness limitation for deflections. Assume concrete weighs 23.5 kN/m.f 28 MPa and f, = 420 MPa. Use p = Pmur: (One ans. 240-mm slab with #25 @ 140-mm main steel) -10m Width of the slab is 10m WL = 10kN/m2 And draw slab section showing all reinforcements along with the slab1- For the floor system shown in Figure below, support service live load 4KN / (m ^ 2) and service dead load 5KN / (m ^ 2) Answer the flowing. Classify the floor system into one way or two-way solid slab. 2- What is the minimun slab thickness that should be used to control deflection and shear requirement ? 3- By using Ø 12 mm rebar, what is the required positive and nagative reinforcement? 4- Sketch the detail of reinforcement. Use : fy = 400Mpa , f c ^ prime =30 Mpa 6.00 m 6.00 m6.00 m 3.00 m 0.30 m АB 3.00 m 3.00 m
- A simply supported slab has a length of 3.5 m. It is topped with 25 mm thick grout (unit weight = 12 KN/cum) and 10 mm tiles (unit weight = 15 KN/cum). The main rebars is 10 mm spaced at 90 mm on centers. Use fy= 276 Mpa, fc’= 21 Mpa and unit weight of concrete is 23.5 KN/cum. Determine the uniform live load capacity of the slab.Pls help me. I will rate 5 stars and leave a positive feedback. One-way Slab Design Problem Given: Unit weight of concrete = 25 kN/m3 DL =5 kPa (excl. self weight) LL = 3 kPa fy = 414 MPa (all slab reinforcements) fyv = 275 MPa (stirrups) fc = 28 MPa db = 12 mm (main bars - slab) db = 10 mm (temp bars) db = 20 mm (main bars - beam) ds = 10 mm (beam stirrups) cc = 40 mm for beams, 20mm for slabs Assume all beam sizes = 300 x 600mm Assume slab thickness = 150mm Design Code: NSCP 2015 a. What is the required spacing of the flexural reinforcements of Slab ABCD? Consider bottom reinforcements only. b. What is the required spacing of the shrinkage and temperature reinforcements of Slab ABCD?Problem Design the slabs from gridlines R to V to A to I as shown using ACI Coefficient Method. Assume that beams at gridlines R and V are the discontinuous ends. Assume slab thickness to be 150 mm Unit weight of concrete = 24 kN/m3 Super Imposed Deadload = 3.54 kPa Live Load = 12 kPa Use 12mm diameter bars for main bars and 10mm diameter bars for temperature and shrinkage bars with fy = 275 MPa for both bars and f'c = 28 MPa. From the framing plan shown, gridlines are at the centers of the column. Column dimension: 900 x 900 mm E-G16: 400 x 800 mm E-G19: 400 x 800 mm E-B5: 350 x 800 mm E-B3: 350 x 800 mm
- 1. Design a two-way slab having a dimension of 3m x 4m. The slab is to carry a uniform live load of 1900 Pa. Assume fc' fy = 27.6 MPa and 280 MPa for main bars. The slab is exposed to earth or weather. Use Unit weight of concrete yc = 23.5kN/m³ 3m 3m 3m 4m 4m 4mShow complete solution and figures. Design a two way slab using the Coefficient Method considering an interior panel (Case 2). The slab will carry 2.40 KPa of service live load. The dimensions of the interior panel are 4.00 m x 5.00 m. Use 2015 NSCP Strength Design with f'c = 20.70 MPa and Fy = 276 MPa. Unit weight of concrete is 23.56 KN/cu m.A rectangular concrete beam having a width of 200 mm and effective depth of 400 mm will be designed to carry the factored design load as stated. The steel yield strength Fy=275 MPa and concrete strength f’c=20.7 MPa. If the compression steel is found necessary, it will be placed 60 mm from the extreme compression fiber of the beam. Neglect the effect of the displaced concrete and use the 2010 NSCP. a) Determine the number of pieces of 20 mm diameter tension steel for a singly reinforced section to carry a factored design moment of 20 kN-m.b) Determine the number of pieces of 20 mm diameter tension steel for a reinforced concrete section to carry a factored design moment of 120 kN-m.c) Determine the number of pieces of 20 mm diameter compression steel for a reinforced concrete section to carry a factored design moment of 120 kN-m. d) Determine the number of pieces of 32 mm diameter tension steel for a reinforced concrete section to carry a factored design moment of 220 kN-m. e)…