Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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Chapter 9, Problem 16P
To determine
Find the maximum compressive axial force in member GH.
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6.53
Determine the force in members DFand DE of the truss shown.
30 kN
20 kN
to
B
D
F
1.5 m
2 m
E
G
-2 m-2 m→2 m-
Fig. P6.53 and P6.54
9.11 For the truss of Problem 8.51, determine the maximum
tensile and compressive axial forces in member DI due to a
concentrated live load of 40 k, a uniformly distributed live load
of 4 k/ft, and a uniformly distributed dead load of 2 k/ft.
A
H
B
FIG. P8.51
K
C
D
6 panels at 16 ft = 96 ft-
E F
G
14 ft
8 ft
12 ft
Determine the magnitudes of the maximum tensile and
compressive normal stresses on the transverse plane B-B in
the straight portion of the structure shown in Fig. P7-184. The
member is braced perpendicular to the plane of symmetry.
100 mm
50 mm
75 mm
50 mm
H
Section B-B
-150 mm
ANSWER: OL= 25.9MPa,oR= -28.5 MPa
3
4
50 KN
-750 mm
B
C
1200 mm
D
B
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- EXAMPLE 3.3 Determine the force in each member of the scissors truss shown in Fig. 3-2la. State whether the members are in tension or compression. The reactions at the supports are given. 700 N 800 N SOLUTION A, 566 N 60 60 The truss will be analyzed in the following sequence: 30° 30 Joint E, Fig. 3-21b. Note that simultaneous solution of equations is avoided by the x, y axes orientation. 3m 3 m E,-764 N A, 502 N (a)arrow_forwardQA. For the truss shown in Fig.(6), find the force in members AB. 20kN Fig. (6) B. Classify the system shown in Fig.(7) for stability and determinacy. Explain the reasons. Fig. (7) A G 平 F 2m E B H * 2m C P T 2m + 2m + 2m tarrow_forwardProb. 2.2-14. The three-member frame structure in Fig. P2.2-14 is subjected to a downward vertical load P at pin C. The pins at B, C, and D apply axial loads to members BD and CD, whose cross-sectional areas are A = 0.5 in² and A2 = 1.0 in², respectively. (a) If the axial stress in member BD is o = 1200 psi, what is the value of force P? (b) What is the corresponding axial stress, 02, in member CD? - 12 in.→|-- 12 in.- 9 in. B 9 in. C (1), 32 in. P (2) Darrow_forward
- answe 4.4.15.For the truss shown in Fig. P-4-4.15. determine independently the forces in bars BD, CD, CE and EFarrow_forwardQ. 2: For the truss shown in Fig. Q2 a) Determine the components of the reactions at A and E. b) Determine the magnitude of the force in each member of the truss using the method of joints. c) State if each member in (b) above is in compression or tension. L 5 m LIBE 5 m B D 10 KN 4 m fig. Q2: A truss under load. 20 KNarrow_forward11.103 Members of the truss shown consist of sections of aluminum pipes with the cross-sectional areas indicated. Using E = 70 GPa, deter- mine the vertical deflection of joint D. Members AB, AC, AD, and CE: A = 500 mm²; other members: A = 1000 mm². 40 kN E 1.5 m Co 0.6 m B | A -0.8 m→-0.8 m- Fig. P11.103arrow_forward
- Problem 1. Find the stresses in members BC, BD, and CF for the truss shown in Fig. P-1. Indicate the tension or compression. The cross-sectional area of each member is 1600 mm². 10 kN/m A R₁ 4 m 80KN 40 kN 3m Problem 2. Determine the reaction R₁ and R₂ for the beam shown in Fig. P-2 60KN Figure P-1 Figure P-2 3 m 6 m 4 m B R₂ 4 m 20 KN 2 marrow_forward2.27 Each of the links AB and CD is made of aluminum (E = 10.9 × 10 psi) and has a cross-sectional area of 0.2 in². Knowing that they support the rigid member BC, determine the deflection of point E. 18 in. Fig. P2.27 B 10 in. P = 1 kip E 22 in.arrow_forwardProb. 1.4-11. Beam AD in Fig. P1.4-11 has a frictionless-pin support at A and a roller support at D. The beam has a linearly varying distributed load, of maximum intensity wo (force per unit length), over two-thirds of its length. (a) Determine the reactions at A and D, and (b) determine the internal resultants (axial force, shear force, and bending mo- ment) on the cross section at B. wo |D B FL/3- L/3 ·L/3arrow_forward
- 3- The beam shown in Fig.2.3 is of uniform cross-section having flexural rigidity El=10 000 kNm². Calculate the displacements (lateral and rotationa!) at the free end and the rotational displacement at the prop support. 2m. Fig. 2.3 Im D 10 KNarrow_forwardQ2/Determine the reactions and the force in each member of the trusses shown in Fig 2 using the metho of consistent deformations. D (5000 mm) (5000 unm) 3 m (4000 mm) C (5000 mm) B (5000 mm) 100 kN 2 pancls at 4 m 8 m E= 200 GPa mm-) 000 (日 1000arrow_forwardQ1: The steel shaft shown in Fig. is subjected to tw concentrated torques at B and C. If the shear modul of the steel material G is 80 GPa, determine: 1. The total angle of twist at the free end at C. / maximum shear strain Y max in each segment shaft AB and BC.arrow_forward
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