Answered: 200 m 20 30 400 kN 20 -20 -25 25 + 15…

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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If the allowable bearing stress for the material under the supports at A and B is ob = 810 psi, determine the maximum load Pmax that can be applied to the beam. The bearing plates each have square cross sections of 3 in. by 3 in. The reactions at the supports are vertical. Assume w = 550 lb/ft, a = 12 ft, and b = 6 ft. Answer: Pmax= i a b lb
AW250 x 32.7 structural steel [E = 200 GPa] wideflange shape is loaded and supported as shown. A uniformly distributed load of w= 13 kN/m is applied to the beam, causing the roller support at B to settle downward (i.e., displace downward) by 10 mm. Determine: (a) the reactions at supports A, B, and C. (b) the maximum bending stress max in the beam. Assume LAB = 4.4 m, LBc=5.2 m. Answers: (a) A = i (b) omax = LAB i B LBC KN, B= MPa. x kN, C = kN.
Determine the max distributed load on the T-beam, if the allowable shear stress is 7.50 MPa at the critical cross-section (where shear force is max along beam).indicate the location of the critical cross-section. point c is useless
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If the allowable bearing stress for the material under the supports at A and B is = 710 psi, determine the maximum load Pmax that can be applied to the beam. The bearing plates each have square cross sections of 5 in. by 5 in. The reactions at the supports are vertical. Assume w = 650 lb/ft, a = 10ft, and b = 5 ft. Answer: Pmax i a B b lb
In the truss shown in Figure. Determine the force member at DE. * 400 kN 800 kN 6 m 3 m F 3 m 6 m E 6 m 200 kN 200 kN 1440 KN tension O 1440 KN compression 200 KN tension None of the above O 200 KN compression
Q.17 The maximum bending stress is A - w/m L P Od
Which of the following is the nearest value for the force at member BD? a. 5kN tension b. 1.7 kN tension c. 5 kN compression d. 1.7 kN compression
A simply supported wood beam that is 14.1 m long carries a 47 kN concentrated load at B. The cross-sectional dimensions of the beam are b = 160 mm, d = 360 mm, a = 70 mm, andc = 20 mm. Section a-a is located at x = 2.4 m from B. (a) At section a-a, determine the magnitude of the shear stress in the beam at point H. (b) At section a-a, determine the magnitude of the shear stress in the beam at point K. (c) Determine the maximum horizontal shear stress that occurs in the beam at any location within the entire span. (d) Determine the maximum tensile bending stress that occurs in the beam at any location within the entire length. y H a a A В K L 2L Answer: (a) TH = i kPa (b) TK = i КРа (c) Tmax = i kPa (d) Omax MPa i 13
a) 25.0 lb/in2 b) 56.25 lb/in2 c) 18.75 lb/in2 d) 31.25 lb/in2
the 2nd pic is the answer key
- Determine the force in member GH and state if the member is in tension or compression. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. FGH = Submit Part B. FBC= μA Value Part C Request Answer Determine the force in member BC and state if the member is in tension or compression. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. HA Value Submit Request Answer 3 μA Units FBG = Value → Units ? Determine the force in member BG and state if the member is in tension or compression. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. Units ? ?

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200 m 20 30 400 kN 20 -20 -25 25 + 15 15 -30-