METAL REINFORCEMENT Sample Problem: A concrete beam with a cross-sectional dimension of 25cm x 40cm requires 10mm open stirrups spaced as shown in Figure 3-17. Prepare the order of 10mm steel bars for stirrups of 8 beams with the same category.
Q: 3. Draw the maximum bending moment diagram in the following beam. 400 lb/ft +6ft 6ft
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Q: Answers: Ay Use the graphical method to construct the shear-force and bending-moment diagrams for…
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Q: Determine the capacity of the details shown below. A992: Fy=50ksi, Fu=65ksi A36: Fy=36ksi, Fu=58ksi…
A: Tensile Strength: The Tensile strength of a material defines as the stress in tension that the…
Q: Problem 1.4. A tensile test was conducted on a mild steel bar. The following data was Stained from…
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Q: Round off to two (2) decimal places From the figure shown, if b = 3 units, determine: a)…
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Q: Discuss the stability and determinacy of the structure.
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Q: 102.758 kN Tension 185.540 kN Tension 75. 00 kN Tension 75. 00 kN Compression 243. 375…
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Q: SITUATION 4: Results from liquid and plastic limit tests conducted on a soil are given in the table.…
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Q: A copper [E = 98 GPa, a = 17.4x10-6/°C] rod (2) is placed within a steel [E = 196 GPa, a =…
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Q: Problem 1.4. A tensile test was conducted on a mild steel bar. The following data was obtained from…
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Q: W d OD g FA FB NOTE: angles c, d, f, g, are not drawn to scale X
A: Given FA = 185 lb FB = 189 lb Angles C = 7° D = 21° F = 9° G = 11°
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Q: Problem 1.5. The safe stress, for a hollow steel column which carries an axial load of 2.1 x 10³ kN…
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Q: Problem 1.4. A tensile test was conducted on a mild steel bar. The following data was obtained from…
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Q: O 26.8 kips O 23.2 kips O 25.2 kips O 19.7 kips O 21.2 kins W L₁ B L2 X
A: To find magnitude of vertical reaction at point C
Q: 2. Axial loads are applied to the compound rod that is composed of an aluminum segment rigidly…
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Q: Calculate the moment of inertia of the shaded area about the x-axis. 79 mm 79 mm 52 mm
A: We need to calculate the moment of inertia of the shaded area about x-axis.
Q: SITUATION 4: Results from liquid and plastic limit tests conducted on a soil are given in the table.…
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Q: need help for the part 2 asap pls!! :((
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Q: Determine the height h above the base of the centroid of the cross-sectional area of the beam.…
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Q: Problem 2 A) Draw the shear-force and bending-moment diagrams for the beam shown in the figure. B)…
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Q: A copper [E = 104 GPa, a = 16.7x10-6/°C] rod (2) is placed within a steel [E = 208 GPa, a =…
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Q: Apply the force method to determine the reactions at the supports. Assume C is fixed and A is…
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A: Ixxsquare=8643=18.23×106mm4
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Q: The solid shaft is fixed to the support at C and subjected to the torsional loadings shown in the…
A: Given data Diameter of Shaft (D) = 2×35 = 70 mm Location of point A and B from center of shaft RA…
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Q: Question- A RC beam with width of 250 mm and effective depth of 400 mm is reinforced with Fe415…
A: Given- RC beam-Width of the beam b=250 mmEffective depthd=400 mmMinimum & maximum tensile…
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Q: A rectangular beam is 24 in. wide. The architect asked for this beam to have a maximum depth of 16…
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Q: A de tw W.J.M.H. Shas W- d (den)- ks WALK230 618 367 0.83 122 1.36 2.31 2.3125 1.25 32.525 L² Use…
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- An under-reinforced beam section given below. What could be the maximum design load (Pa) on the beam. Materials C30/37 and B420C. Ignore beams' own weight! Pa Pd H A 2 m 2 m, 2 m B As 1500 mm² 300 mm > Cross-section 470 mm 30 mmA two span beam subjected to shear and flexure only is reinforced as follows: SECTION @ MIDSPAN @ FACE OF SUPPORTS TOP BARS 2-∅20 mm 5-∅20 mm BOTTOM BARS 3-∅20 mm 2-∅20 mm Given: Stirrup diameter, ds = 10 mm Concrete f'c = 21 MPa Steel rebar fy = 415 MPa Stirrup fy = 275 MPa Beam size b x h = 270 mm x 450 mm Assume all bars laid out in single layer. Calculate the following: Tensile steel ratio in positive bending at midspan = __________ (in 5 decimal places) Design Moment strength of section at midspan for positive bending = ___________ kN·m (nearest whole number) Nominal Moment strength of section at face of support for negative bending = ___________ kN·m (nearest whole number)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"
- Determine the numbers of rebars required for a RC beam (h=400mm, b=700mm) carrying a factored moment of 734 kNm. 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 = 10mmA 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.two span beam subjected to shear and flexure only is reinforced as follows: Section @ midspan @ face supports Top bars 2-20mm 5-20mm Bottom bars 3-20mm 2-20mm Given Stirrup diameter: 10 mm concrete fc = 21 mpa steel rebar fy = 415 mpa stirrup fy = 275 mpa beam size b x h = 270 mm x 450 mm assume all bars laid out in single layer calculate the following: a) tensile steel ratio in positive bending moment at midspan (round off to 5 decimals) b) design moment strength of section at midspan for positive bending ( in kN•m , nearest whole number) c) nominal design strength of section at face of support for negative bending ( in kN•m , nearest whole number)
- A simply supported beam is reinforced with 5-p25 mm at the bottom and 2-020 mm at the top of the beam. Concrete covering to centroid of reinforcement is 70 mm at the top and 64 mm at the bottom of the beam. The beam has a gross depth of 450 mm and gross width of 300 mm. fc'= 28 MPa, fy = 415 MPa. Assume bars laid out in single layer. Calculate the following if the limiting tensile steel strain is 0.004 for a ductile failure: Depth of the neutral axis from the extreme concrete compression fiber to the nearest whole number = mm Design strength of the beam section to the nearest whole number = kN -m Maximum service uniform live load over the entire span in addition to a DL = 20 kN/m (including the weight of the beam) if it has a span of 6 m = kN/m (to the nearest whole number)a two span beam subject to shear and flexure only is reinforced as follows: Section: TOP BARS @ midspan: 2-ø20mm @ face of supports: 5-ø20mm Section: BOTTOM BARS @midspan: 3-ø20mm @ face of supports: 2-ø20mm GIVEN: Stirrup diameter ds = 10mm concrete f'c= 21 mpa steel rebar fy= 415 mpa stirrup fy = 275 mpa beam size b x h = 270 mm x 450 mm assume all bars laid out in a single layer. Determine the DESIGN moment strength of section at midspan for positive bendinga two span beam subject to shear and flexure only is reinforced as follows: Section: TOP BARS @ midspan: 2-ø20mm @ face of supports: 5-ø20mm Section: BOTTOM BARS @midspan: 3-ø20mm @ face of supports: 2-ø20mm GIVEN: Stirrup diameter ds = 10mm concrete f'c= 21 mpa steel rebar fy= 415 mpa stirrup fy = 275 mpa beam size b x h = 270 mm x 450 mm assume all bars laid out in a single layer. Determine the tensile ratio in positive bending at midspan =
- A simply supported beam is reinforced with 5-ϕ25 mm at the bottom and 2-ϕ20 mm at the top of the beam. Concrete covering to centroid of reinforcement is 70 mm at the top and 64 mm at the bottom of the beam. The beam has a gross depth of 450 mm and gross width of 300 mm. fc’= 28 MPa, fy = 415 MPa. Assume bars laid out in single layer. Calculate the following if the limiting tensile steel strain is 0.004 for a ductile failure: Depth of the neutral axis from the extreme concrete compression fiber to the nearest whole number = mm Design strength of the beam section to the nearest whole number = kN·m Maximum service uniform live load over the entire span in addition to a DL = 20 kN/m (including the weight of the beam) if it has a span of 6 m = kN/m (to the nearest whole number)A simply supported beam is reinforced with 5-ϕ25 mm at the bottom and 2-ϕ20 mm at the top of the beam. Concrete covering to centroid of reinforcement is 70 mm at the top and 64 mm at the bottom of the beam. The beam has a gross depth of 450 mm and gross width of 300 mm. fc’= 28 MPa, fy = 415 MPa. Assume bars laid out in single layer. Calculate the following if the limiting tensile steel strain is 0.004 for a ductile failure: Maximum service uniform live load over the entire span in addition to a DL = 20 kN/m (including the weight of the beam) if it has a span of 6 m = kN/m (to the nearest whole number)A simply supported beam is reinforced with 5-ϕ25 mm at the bottom and 2-ϕ20 mm at the top of the beam. Concrete covering to centroid of reinforcement is 70 mm at the top and 64 mm at the bottom of the beam. The beam has a gross depth of 450 mm and gross width of 300 mm. fc’= 28 MPa, fy = 415 MPa. Assume bars laid out in single layer. Calculate the following if the limiting tensile steel strain is 0.004 for a ductile failure: Depth of the neutral axis from the extreme concrete compression fiber to the nearest whole number = __ mm