Answered: Question Assume the sections have…

Question Assume the sections have cracked and use the transformed-area method flexural stresses (f, and f.) for the loads given. 17 in. 1.5 k/ft (including beam weight) 20 in. 4 8 -24 ft- in.

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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Answer in two decimal places please
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Determine the minimum width "b" of the beam shown if the flexural stress is not to exceed 12 MPa. Answer must be in mm. Given: a = 1 m, b = 3 m, c = 1 m, P = 6 kN, and %3D %3I W = 4 kN/m. P kN cm w kN/m (not scaled) 270 mm a m bm b. R1 R2
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Determine the minimum width "b" of the beam shown if the flexural stress is not to exceed 11 MPa. Answer must be in mm. Given: a = 1 m, b = %3D 4 m, c = 2 m, P = 6 kN, and w = 3 %3D kN/m. P kN cm w kN/m I (not scaled) am bm R1 R2 260 mm
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b) The rectangular section shown below is subjected to a moment of M=257kN.m. Assume a cracked section and calculate the elastic stresses in the concrete and reinforcement at loading Cross-section: width height Modulus of elasticity: concrete reinforcement Reinforcement: depth area b:= 406-mm h := 793-mm Ec := 26.6-GPa Es := 200-GPa d:= 721 mm A, 3039-mm 2 h b - A', A₂ d':= 72 mm A's= 1548-mm 2 d
REINFORCED CONCERETERefer to the sample problem below (b = 400 mm, d= 550 mm, 4-25 mm diameter rebars). Determine if the beam is safe using the "transformed section method". sample problem: The cross-section shown below is a rectangular beam reinforced for tension only. Determine whether the section is safe or not to carry the loads shown. fs= 138 MPa. f'c = 20 MPa. n = 12. Neglect weight of beam.
AWT305 x 41 standard steel shape is used to support the loads shown on the beam. The dimensions from the top and bottom of the shape to the centroidal axis are shown in the sketch of the cross section. Assume LAB = 1 m, LBC = 7 m, LCD = 2 m, PA = 14 kN, WBC = 11 kN/m. Consider the entire 10-m length of the beam and determine: (a) the maximum tension bending stress or at any location along the beam, and (b) the maximum compression bending stress oc at any location along the beam. PA LAB Answers: (a) OT (b) oc = = i i B WBC LBC WT305 x 41 C LCD 88.9 mm 211.1 mm MPa. MPa. D X