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Q4) How much is stress in this beam at...
In the following reinforced concrete beam, bending moment is 150kip-ft and Ec = 3.75x10^6psi Es =...
In the following reinforced concrete beam, bending moment is
150kip-ft and Ec = 3.75x10^6psi Es = 30x10^6psi determine (a) the
stress in the steel (b) the madimum stress in the concrete
This is what I've done so far. I think the next step is to
calculate the distance of neutral axis from the bottom section
which should end up in a quadratic equation to solve for x.
Q4) In the following reinforced concrete beam, bending moment is 150kip-ft and E=3.75x10°Es=30x10ʻpsi...
Problem 2. A concrete beam is reinforced by three steel rebars placed as shown. The modulus...
Problem 2. A concrete beam is reinforced by three steel rebars placed as shown. The modulus of elasticity is 3x106 psi for concrete and 29x106 psi for steel. Find the tensile stress in rebars and maximum compressive stress in concrete under an external bending moment of (a) 80 kip.in and (b) 240 kip.in. Given the compressive strength of concrete fe' = 3 ksi and yield stress of rebars fy = 60 ksi, discuss the state of crack in concrete and...
1. Reinforced Rectangular Concrete Beam The reinforced concrete beam shown is subjected to a bending moment...
1. Reinforced Rectangular Concrete Beam The reinforced concrete beam shown is subjected to a bending moment of 200 kip ft. Knowing that the modulus of elasticity for the concrete and the steel are respectively Ec= 3.75 X 10 psi and Es = 30 x 10 psi, determine the tensile stress in [ksh] that develops in the steel bars. 20 in 1 in diameter 72.5 in 12 in-
Can anyone please solve step by step Thanks Please solve this Question don’t solve other Th...
can
anyone please solve step by step Thanks
Please solve this Question don’t solve other Thanks
1) A steel pipe is filled with concrete as ilustrated below. If an axial force of kN is applied to the composite column, compute t in the concrete and in the steel. Assume the pipe has an outsid mm and an inside diameter of 70 mm. ESTEEL 200,000 MPa, EcoNC [oSTEEL 48.8 MPa, ơCONCRETE 5.85 MPa] he normal compressive stress e diameter of 80...
2. A rectangular beam, 400 x 600 mm gross dimension, is cast using a concrete strength...
2. A rectangular beam, 400 x 600 mm gross dimension, is cast using a concrete strength of fc 30 MPa, reinforced with 5-25 mm diameter steel bar at the effective depth of 500 mm. If is subjected to a moment, M 130 kN-m. Determine the following: Magnitude of the bending moment that cracks the singly-reinforced beam section. (10 pts) b. For the computed cracking moment, determine the maximum compressive stress in the concrete and the stress in the tension steel....
Page 7 of 9 Q4. (30%) Composite Beam Three identical wooden beams and two identical steel plates are bolted together to form the composite shown in the sketch. Determine the largest allowable ben...
Page 7 of 9 Q4. (30%) Composite Beam Three identical wooden beams and two identical steel plates are bolted together to form the composite shown in the sketch. Determine the largest allowable bending moment, Malom, when the member is bent about the horizontal axis. Include sketch of transformed area, and list all assumptions and equations. Material/Properties Wood Steel Elastic Modulus 2,900,000 psi 29,000,000 psi Allowable Normal Stress 3,000 psi 18,000 psi 10 in 2.5 in 0.25 in a) Determine n...
Problem 2 A reinforced concrete beam (see fig.) is acted on by a positive bending moment...
Problem 2 A reinforced concrete beam (see fig.) is acted on by a positive bending moment of M - 160 kNm. Steel reinforcement consists of 4 bars of 28-mm diameter. The modulus of elasticity for the concrete is E = 25 GPa while that of the steel is E, = 200 GPa. (a) Find the maximum stresses in steel and concrete. (b) If allowable stresses for concrete and steel are = 9.2 MPa and 0 -135 MPa, respectively, what is...
Answer the following questions for each cross-section below using the Equivalent Rectangular Stress Block (Whitney Stress...
Answer the following questions for each cross-section below using the Equivalent Rectangular Stress Block (Whitney Stress Block) for compressive stresses in the concrete. (72 total points) A. What is the nominal moment capacity of the beam (Ma)? [6 points) B. What is the distance from the top of the beam to the neutral axis (c)? [2 points] C. Assuming the concrete reaches a strain of 0.003, what is the strain in the extreme tension layer of reinforcing steel? Draw the...
Can someone show e how to solve this please 2. Given the beam in the figure,...
Can someone show e how to solve this please
2. Given the beam in the figure, the concentrated load F is 600 lb, the distributed load w is 50 lb/in, a is 10 in., bis 15 in., and I is 20 in. The beam is made of steel with E equal to 30 X 10 psi. The beam is rectangular with dimensions h = 5 in and t = 2 in. Determine the following: a. The reactions and the shear...
-2 ft, L e beam if ONLY t mited to 18000 psi. with simple supports at...
-2 ft, L e beam if ONLY t mited to 18000 psi. with simple supports at A and B and carries loads as shown, w 200 lb/ft, P 500 Ibs. the stress caused by bending moment is considered, its maximum allowed tensile stress is - 10 ft. The beam has the shape of standard schedule 40 steel pipe. Specify suitable diameter for
In the following reinforced concrete beam, bending moment is
150kip-ft and Ec = 3.75x10^6psi Es = 30x10^6psi determine (a) the
stress in the steel (b) the madimum stress in the concrete
This is what I've done so far. I think the next step is to
calculate the distance of neutral axis from the bottom section
which should end up in a quadratic equation to solve for x.
Q4) In the following reinforced concrete beam, bending moment is 150kip-ft and E=3.75x10°Es=30x10ʻpsi...
Problem 2. A concrete beam is reinforced by three steel rebars placed as shown. The modulus of elasticity is 3x106 psi for concrete and 29x106 psi for steel. Find the tensile stress in rebars and maximum compressive stress in concrete under an external bending moment of (a) 80 kip.in and (b) 240 kip.in. Given the compressive strength of concrete fe' = 3 ksi and yield stress of rebars fy = 60 ksi, discuss the state of crack in concrete and...
1. Reinforced Rectangular Concrete Beam The reinforced concrete beam shown is subjected to a bending moment of 200 kip ft. Knowing that the modulus of elasticity for the concrete and the steel are respectively Ec= 3.75 X 10 psi and Es = 30 x 10 psi, determine the tensile stress in [ksh] that develops in the steel bars. 20 in 1 in diameter 72.5 in 12 in-
can
anyone please solve step by step Thanks
Please solve this Question don’t solve other Thanks
1) A steel pipe is filled with concrete as ilustrated below. If an axial force of kN is applied to the composite column, compute t in the concrete and in the steel. Assume the pipe has an outsid mm and an inside diameter of 70 mm. ESTEEL 200,000 MPa, EcoNC [oSTEEL 48.8 MPa, ơCONCRETE 5.85 MPa] he normal compressive stress e diameter of 80...
2. A rectangular beam, 400 x 600 mm gross dimension, is cast using a concrete strength of fc 30 MPa, reinforced with 5-25 mm diameter steel bar at the effective depth of 500 mm. If is subjected to a moment, M 130 kN-m. Determine the following: Magnitude of the bending moment that cracks the singly-reinforced beam section. (10 pts) b. For the computed cracking moment, determine the maximum compressive stress in the concrete and the stress in the tension steel....
Page 7 of 9 Q4. (30%) Composite Beam Three identical wooden beams and two identical steel plates are bolted together to form the composite shown in the sketch. Determine the largest allowable bending moment, Malom, when the member is bent about the horizontal axis. Include sketch of transformed area, and list all assumptions and equations. Material/Properties Wood Steel Elastic Modulus 2,900,000 psi 29,000,000 psi Allowable Normal Stress 3,000 psi 18,000 psi 10 in 2.5 in 0.25 in a) Determine n...
Problem 2 A reinforced concrete beam (see fig.) is acted on by a positive bending moment of M - 160 kNm. Steel reinforcement consists of 4 bars of 28-mm diameter. The modulus of elasticity for the concrete is E = 25 GPa while that of the steel is E, = 200 GPa. (a) Find the maximum stresses in steel and concrete. (b) If allowable stresses for concrete and steel are = 9.2 MPa and 0 -135 MPa, respectively, what is...
Answer the following questions for each cross-section below using the Equivalent Rectangular Stress Block (Whitney Stress Block) for compressive stresses in the concrete. (72 total points) A. What is the nominal moment capacity of the beam (Ma)? [6 points) B. What is the distance from the top of the beam to the neutral axis (c)? [2 points] C. Assuming the concrete reaches a strain of 0.003, what is the strain in the extreme tension layer of reinforcing steel? Draw the...
Can someone show e how to solve this please
2. Given the beam in the figure, the concentrated load F is 600 lb, the distributed load w is 50 lb/in, a is 10 in., bis 15 in., and I is 20 in. The beam is made of steel with E equal to 30 X 10 psi. The beam is rectangular with dimensions h = 5 in and t = 2 in. Determine the following: a. The reactions and the shear...
-2 ft, L e beam if ONLY t mited to 18000 psi. with simple supports at A and B and carries loads as shown, w 200 lb/ft, P 500 Ibs. the stress caused by bending moment is considered, its maximum allowed tensile stress is - 10 ft. The beam has the shape of standard schedule 40 steel pipe. Specify suitable diameter for
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