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A section for a NWC beam is shown below. Your task is to work on the...
Problem 4 If the factored shear demand on the T-Beam, Vu, is 120k, calculate the required...
Problem 4 If the factored shear demand on the T-Beam, Vu, is 120k, calculate the required stirrup spacing for strength purposes only (i.e., ACI 22.5.10.5) if #4 double-logged stirrups are used. (15 points)
A reinforced concrete beam shown in Figure below is 15-in. wide and has effective depth of31 in. ...
A reinforced concrete beam shown in Figure below is 15-in. wide and has effective depth of31 in. The factored loads are shown. (The factored uniform load includes the weight of the beam). Design the web reinforcement using the Vu diagram shown in the Figure (for a symmetric half). Assume No. 3 stirrups,fc '-4000 psi and fy=fyt-60000psi. 100 kip 100 kip d-31 in. 15 ft clear span As s) 102.5 kip se 2.5 ki @y、阪、もw cl.* 3..-K: ps
A reinforced concrete...
Problem 1. (40 pts) Here is a design for a beam as shown in Figs Check...
Problem 1. (40 pts) Here is a design for a beam as shown in Figs Check if this section can resist the following loading conditions in the beam according to ACI-318. Use fc -4000 psi and fy - 60,000 psi. Assume that the clear cover is 1.5" (typical) for all and the vertical spacing between #8 bars is 1 inch. Both End (L Center (L2) #8 bars #8 Stirrup #3@ 8" 8#8 bars 20 in Stirrup: 6# 8 bars Pu=15...
Problem 2 (25 points) A rectangular reinforced concrete beam has a width b-15 inches and effecti...
Problem 2 (25 points) A rectangular reinforced concrete beam has a width b-15 inches and effecti Concrete com ve depth d-24 inches. orcement fy- 60 ksi. imate load - 6 k/R pressive strength fe -4,000 psi and yield stress of steel reinf The beam is simply supported and subjected to a uniformly distributed ulti that includes the weight of the beam. Span is 28 feet. Assume interior exposure. s and show the proposed shear reinforcement Design the beam for shear...
Problem 1: A reinforced concrete beam having the cross section shown is on a simple span...
Problem 1: A reinforced concrete beam having the cross section shown is on a simple span of 26.5ft. It has already been estimated that the applied factored moment, Mu, is 700 k-ft. Assume 60ksi. interior exposure, #3 stirrups, f'e 3ksi, fy Required: 1) Analyze if the beam is adequate for moment only. (3 points) Solution: 91 34.4" d 38" 6u-7 4.#9 (4)
Problem 1: A reinforced concrete beam having the cross section shown is on a simple span of 26.5ft....
simply supported reinforced concrete beam of rectangular section is hung on the left end by a 400mm square post working in tension, as shown in the figure below. The beam supports a uniform dead l...
simply supported reinforced concrete beam of rectangular section is hung on the left end by a 400mm square post working in tension, as shown in the figure below. The beam supports a uniform dead load (DL) gf 100 KN/m (excluding its own weight) and upiform live load LL) of 40KN/m. The beam is reinforced with 025 longitudinal rebars with 40mm cleat cover to the stirrups. Material properties: fy 420 MPa, fe 25 MPa. Beam dimension b 400mm and h 600mm....
M 3: (20 points) Design the stirrup spacing for the beam shown below. Change your design between ...
m 3: (20 points) Design the stirrup spacing for the beam shown below. Change your design between Zones 1, 2, and 3 of the beam length, using a uniform spacing in each zone. Ignore the self-weight of the beam. Loads on the beam are service loads so load factors must be applied according to ACI 318 (subscripts "d" and T" denote dead and live loads, respectively). Material strengths are fe 4,0oo psi and fy 60,000 psi. The total factored shear...
(40 pts) The simply supported beam shown in the figure below is being designed for shear. #3 stirrups (Grade 40) are to be used. 2. Wu = 4 kips/ft (includes self weight) wDL-1 kips/ft, wu...
(40 pts) The simply supported beam shown in the figure below is being designed for shear. #3 stirrups (Grade 40) are to be used. 2. Wu = 4 kips/ft (includes self weight) wDL-1 kips/ft, wu 1.75 kips/ft h= 18" d = 15" L=20ft- fe-4000 psi Yoon- 150 lbf/t E-29,000 ksi fy60 ksi 2 IS Draw the factored shear envelope for Vu c. d. Determine the resistance to shear provided by the concrete. Are there any regions where no shear stirrups...
4. Determine the flexural strength (фМп) and shear strength (OVn) of the given section below. The RC beam in Engineering Building is reinforced with 4#10 for tensile reinforcement at the bottom,...
4. Determine the flexural strength (фМп) and shear strength (OVn) of the given section below. The RC beam in Engineering Building is reinforced with 4#10 for tensile reinforcement at the bottom, 2#4 for compressive reinforcement at the top, and stirrups with #3@ 9" on center. (fc 6 ksi, fy 60 ksi for top and bottom reinforcement, and fyt -40 ksi for stirrups): Case 1: t- 3 in (20 points) and Case 2: t- 10 in (20 points) . 14" 6...
3. Using the same T-beam from Problem 2, complete each of the following: Calculate the shear...
3. Using the same T-beam from Problem 2, complete each of the following: Calculate the shear strength of the concrete, Ve, using the equation for membens subjected to shear and flexure only. (10) IfVarcq-,-60 kips, calculate the MAXIMUM permissible spacing of #4 single leg stirrups based on strength and geometry. (10) Check Vs(max). (10) a. b. c. re-5000 psi fy-60 ksi 24 in. 3 in. 6 in. 28 in. 12 in.
Problem 4 If the factored shear demand on the T-Beam, Vu, is 120k, calculate the required stirrup spacing for strength purposes only (i.e., ACI 22.5.10.5) if #4 double-logged stirrups are used. (15 points)
A reinforced concrete beam shown in Figure below is 15-in. wide and has effective depth of31 in. The factored loads are shown. (The factored uniform load includes the weight of the beam). Design the web reinforcement using the Vu diagram shown in the Figure (for a symmetric half). Assume No. 3 stirrups,fc '-4000 psi and fy=fyt-60000psi. 100 kip 100 kip d-31 in. 15 ft clear span As s) 102.5 kip se 2.5 ki @y、阪、もw cl.* 3..-K: ps
A reinforced concrete...
Problem 1. (40 pts) Here is a design for a beam as shown in Figs Check if this section can resist the following loading conditions in the beam according to ACI-318. Use fc -4000 psi and fy - 60,000 psi. Assume that the clear cover is 1.5" (typical) for all and the vertical spacing between #8 bars is 1 inch. Both End (L Center (L2) #8 bars #8 Stirrup #3@ 8" 8#8 bars 20 in Stirrup: 6# 8 bars Pu=15...
Problem 2 (25 points) A rectangular reinforced concrete beam has a width b-15 inches and effecti Concrete com ve depth d-24 inches. orcement fy- 60 ksi. imate load - 6 k/R pressive strength fe -4,000 psi and yield stress of steel reinf The beam is simply supported and subjected to a uniformly distributed ulti that includes the weight of the beam. Span is 28 feet. Assume interior exposure. s and show the proposed shear reinforcement Design the beam for shear...
Problem 1: A reinforced concrete beam having the cross section shown is on a simple span of 26.5ft. It has already been estimated that the applied factored moment, Mu, is 700 k-ft. Assume 60ksi. interior exposure, #3 stirrups, f'e 3ksi, fy Required: 1) Analyze if the beam is adequate for moment only. (3 points) Solution: 91 34.4" d 38" 6u-7 4.#9 (4)
Problem 1: A reinforced concrete beam having the cross section shown is on a simple span of 26.5ft....
simply supported reinforced concrete beam of rectangular section is hung on the left end by a 400mm square post working in tension, as shown in the figure below. The beam supports a uniform dead load (DL) gf 100 KN/m (excluding its own weight) and upiform live load LL) of 40KN/m. The beam is reinforced with 025 longitudinal rebars with 40mm cleat cover to the stirrups. Material properties: fy 420 MPa, fe 25 MPa. Beam dimension b 400mm and h 600mm....
m 3: (20 points) Design the stirrup spacing for the beam shown below. Change your design between Zones 1, 2, and 3 of the beam length, using a uniform spacing in each zone. Ignore the self-weight of the beam. Loads on the beam are service loads so load factors must be applied according to ACI 318 (subscripts "d" and T" denote dead and live loads, respectively). Material strengths are fe 4,0oo psi and fy 60,000 psi. The total factored shear...
(40 pts) The simply supported beam shown in the figure below is being designed for shear. #3 stirrups (Grade 40) are to be used. 2. Wu = 4 kips/ft (includes self weight) wDL-1 kips/ft, wu 1.75 kips/ft h= 18" d = 15" L=20ft- fe-4000 psi Yoon- 150 lbf/t E-29,000 ksi fy60 ksi 2 IS Draw the factored shear envelope for Vu c. d. Determine the resistance to shear provided by the concrete. Are there any regions where no shear stirrups...
4. Determine the flexural strength (фМп) and shear strength (OVn) of the given section below. The RC beam in Engineering Building is reinforced with 4#10 for tensile reinforcement at the bottom, 2#4 for compressive reinforcement at the top, and stirrups with #3@ 9" on center. (fc 6 ksi, fy 60 ksi for top and bottom reinforcement, and fyt -40 ksi for stirrups): Case 1: t- 3 in (20 points) and Case 2: t- 10 in (20 points) . 14" 6...
3. Using the same T-beam from Problem 2, complete each of the following: Calculate the shear strength of the concrete, Ve, using the equation for membens subjected to shear and flexure only. (10) IfVarcq-,-60 kips, calculate the MAXIMUM permissible spacing of #4 single leg stirrups based on strength and geometry. (10) Check Vs(max). (10) a. b. c. re-5000 psi fy-60 ksi 24 in. 3 in. 6 in. 28 in. 12 in.
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