"M1AQ59. For a loaded propped beam in the figure below, design a singly reinforced beam (using the USD method and NSCP 2015)for the positive moment. Give the complete details of the design. The total depth of the beam must not exceed 600 mm to ensureacceptable floor-to-floor vertical clearance. f'c = 29.1 MPa and fy = 414.4 MPa. It carries a super- imposed dead load of 100 kN/mand a live load of 39.1 kN/m all applied over the entire length of the beam. Other load and beam properties are the following: L1 =6.6 m, L2 = 3 m, 12 = 0.75 of 1. Use a minimum concrete cover of 60 mm. Optimize the design such that the minimum percentdifference of the moment strength with the actual moment is 1% but to avoid overdesign it's max percent difference is 5%. Designthe rectangular beam details to provide: width, total depth, effective depth, number and diameter of tension bars (for two layers,provide number of bars in the upper and lower layer and vertical clear spacing between the 2 layers), concrete cover from the barcentroid to bottom of beam (for two layers, provide concrete cover from bar centroid of bottom layer to bottom of beam)."Use the editor to format your answerL1 , hL2 , I2

wu =1.2w0+1.6w2 = 1.2×30+1.6×25 wu = 76 kn/m DP =3+1-1-1= 1 assume RB an…

um concrete cover of 60 mm. Optimize the design such that the mi actual moment is 1% but to avoid overdesign it's max percent dife Ith, total depth, effective depth, number and diameter of tension b wer layer and vertical clear spacing between the 2 layers), concrete provide concrete cover from bar centroid of bottom layer to bottor

um concrete cover of 60 mm. Optimize the design such that the mi actual moment is 1% but to avoid overdesign it's max percent dife Ith, total depth, effective depth, number and diameter of tension b wer layer and vertical clear spacing between the 2 layers), concrete provide concrete cover from bar centroid of bottom layer to bottor

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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M1AQ95. For a loaded propped beam in the figure below, design a singly reinforced beam (using the USD method and NSCP 2015) for the positive moment. Give the complete details of the design. The total depth of the beam must not exceed 600 mm to ensure acceptable floor-to-floor vertical clearance. f'c = 27.2 MPa and fy = 415.4 MPa. It carries a super- imposed dead load of 102 kN/m and a live load of 39.8 kN/m all applied over the entire length of the beam. Other load and beam properties are the following: L1 = 6.3 m, L2 = 2.5 m, I2 = 0.85 of I1. Use a minimum concrete cover of 60 mm. Optimize the design such that the minimum percent difference of the moment strength with the actual moment is 1% but to avoid overdesign it's max percent difference is 5%. Design the rectangular beam details to provide: width, total depth, effective depth, number and diameter of tension bars (for two layers, provide number of bars in the upper and lower layer and vertical clear spacing between the 2 layers),…
Design a 300 mm x 500mm rectangular beam to carry a dead load moment of 80 kN-m (including its own weight ) and a live load moment of 90 kN-m. Assume concrete cover (measured from var centroid) to be 70mm in compression and 80 mm in tension. Use fy= 345 mPa and fc= 27.6 MPa.
A T-beam for a floor system has a slab thickness of 75 mm and a web thickness of 375 mm. It has an effective depth of 600 mm. The beam carries a dead load moment of 280 kN-m and a live load moment of 525 kN-m. It has a span of 5.4 m and a spacing center to center of 1.8 m. Use reduction factor ø=0.90, fc’=20.7 MPa, fy = 344.7 MPa.Determine the effective width of flange. Determine depth of compression flange. Determine the required steel area. See the formula in the image
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Design a 300 mm x 500 mm rectangular beam to carry a dead load moment of 80 kN-m (including its own weight) and a live load moment of 90 kN-m. Assume concrete cover (measured from bar centroid) to be 70 mm in compression and 80 mm in tension. Use fy = 345 MPa and fc = 27.6 MPa.
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Topic : Uncracked and cracked section 1. A beam has a width of 300mm and effective depth of 540mm, d’ = 60mm. It is reinforced with 4 – 25mm diam tension bars and 2 – 25mm compression bars. f'c = 28mpa and fy= 420. What is the ultimate moment capacity of the beam?
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PROBLEM 2: A reinforced concrete beam has a simple span of 4.5 m. and carries a dead load, including self-weight of 20KN/m and a live load of 35 KN/m. Steel covering is 75mm. Using fc' = 28 MPa and fy = 415 MPa. 1. What is the maximum moment due to the factored loads? 2. What should be the bea'm width if p=0.50pmax and d=1.5b? 3. What is total area of steel required?
An isolated T-beam is composed of a flange 700 mm wide and 150 mm deep poured monolithically with a web of 250 mm width which extends 600 mm below the bottom surface of the flange to produce a beam of 750 mm in total depth, h. If the effective depth, d is 650 mm, determine the required area of tensile reinforcement using fc’ = 21 MPa and fy = 415 MPa. Design factored moment is 800 kN-m.