P8.9. When the 20-kip load is applied to joint B of the truss in Figure P8.9, support A settles vertically downward in. and displaces in. horizontally to the right. Determine the vertical displacement of joint B due to all effects. The area of all bars = 2 in.², and E = 30,000 kips/in.². hinge E B C 20 kips 10' 10+ 10' D 10'-

P8.9. When the 20-kip load is applied to joint B of the truss in Figure P8.9, support A settles vertically downward in. and displaces in. horizontally to the right. Determine the vertical displacement of joint B due to all effects. The area of all bars = 2 in.², and E = 30,000 kips/in.². hinge E B C 20 kips 10' 10+ 10' D 10'-

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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P8.1. For the truss in Figure P8.1, compute the horizontal and vertical components of displacement of joint B pro- duced by the 100-kip load. The area of all bars = 4 in. and E = 24,000 kips/in.². 2 C P = 100 kips B A | 20' 20'- E -20'- P8.1 O 15' - 15' tigol
In Figure P8.27 support D is constructed 1.5 in. tothe right of its specified location. Using Bernoulli’s prin-ciple in Section 8.8, compute (a) the horizontal and verti-cal components of the displacement of joint B and (b) thechange in slope of member BC.
P8.7. Determine the value of the force P that must be applied to joint C of the truss in Figure P8.7 if the vertical deflection at C is to be zero. The area of all bars = 1.8 in.², and E= 30,000 kips/in.². 2 30' E A 20'- 9 kips Co 00 P8.7 00 B D ↓ 20' P = ? °。 C
Beam ABC is supported by a three-bar truss at point C and at A by an elastomeric pad that is equivalent to a roller. (a) Compute the vertical deflection of point B in Figure P8.39 due to the applied load. (b) Compute the change in length of member DE required to displace point B upward 0.75 in. Is this a shortening or lengthening of the bar? Given: E = 29,000 kips/in.2 , area of all truss bars = 1 in.2 , area of beam = 16 in.2 , I of beam = 1200 in.4
6. A 12 - m simply supported beam is carried by two concentrated loads. The loads present are 35 kN and 50 kN located at 4 m and 9 m from the left support. El = 67.6 x 106 N. m². A. Draw the shear and moment diagram of the beam. B. Determine the maximum deflection and its location from the left support. C. Calculate the deflection at midspan.
Determine the displacement of point B of the steel beam, and the slope at the left of point B. E= 200 GPa. I= 200x10^6 mm^4. |20 kN 10 kNm A 3m 3m 4m B Thinge 21 I
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area theorems. 8–35. Solve Prob. 8–34 using the conjugate-beam method. B Probs. 8–34/35 8-38. I *8–36. Determine the slope to the left and right of B and the displacement at D. El is constant. Use the moment-area at D. A= roller. U theorems. 12 k IB D 9 ft 9 ft 9 ft Prob. 8–36 346 СНАРТER 8 DEFLECTIONS
4. Determine the vertical and horizontal deflection of joint C of the truss shown. Take E = 200 kN/mm² and member areas, A = 150 mm² for all members except AC where A = 150/2 mm2 and CD where A = 250 mm². (Ans. 8.78 mm; 0.2 mm) 100 kN B C 3 m 4 m 77 1000 A D 3m ()
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