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Civil Engineering
Figure la shows a truss with pin supports at A and roller supports at B. All members have varying cross sectional areas as shown. E = 29,000 ksi for all members. %3D Figure 1b shows the solved reactions and forces for the real system forces (in kips). The virtual forces (in kips) developed are shown in the boxes. 20 kips 20 kips 20 kips 20 kips 15 kips 0 -0.8 15 kips (6 in²) D (8 in?) -18.75 |(8 in?) (6 in?) 15 kips A 15 -0.8 B A 16 ft 8.75 kips 31.25 kips Figure 1a N.T.S. Figure 1b N.T.S. a) Determine if the truss is statically determinate or statically indeterminate and to what degree. b) Use the compatibility conditions and the constitutive law and find the force in member AD. (zu1 9) 12 ft D -8.75 9'0- 9'0- 12 ft

Figure la shows a truss with pin supports at A and roller supports at B. All members have varying cross sectional areas as shown. E = 29,000 ksi for all members. %3D Figure 1b shows the solved reactions and forces for the real system forces (in kips). The virtual forces (in kips) developed are shown in the boxes. 20 kips 20 kips 20 kips 20 kips 15 kips 0 -0.8 15 kips (6 in²) D (8 in?) -18.75 |(8 in?) (6 in?) 15 kips A 15 -0.8 B A 16 ft 8.75 kips 31.25 kips Figure 1a N.T.S. Figure 1b N.T.S. a) Determine if the truss is statically determinate or statically indeterminate and to what degree. b) Use the compatibility conditions and the constitutive law and find the force in member AD. (zu1 9) 12 ft D -8.75 9'0- 9'0- 12 ft

Structural Analysis
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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Figure la shows a truss with pin supports at A and roller supports at B. All members have varying cross sectional areas as shown. E = 29,000 ksi for all members. Figure 1b shows the solved reactions and forces for the real system forces (in kips). The virtual forces (in kips) developed are shown in the boxes. 20 kips 20 kips 20 kips 20 kips 15 kips 15 kips 0 -0.8 D (6 in?) (8 in?) -18.75 (8 in?) (6 in?) B 15 kips A 15 -0.8 В A 16 ft 8.75 kips 31.25 kips Figure 1a Figure 1b N.T.S. N.T.S. a) Determine if the truss is statically determinate or statically indeterminate and to what degree. b) Use the compatibility conditions and the constitutive law and find the force in member AD. (zu1 9) (uI 9) 12 ft > -8.75 -0.6 9'0- 02- 12 ft
Transcribed Image Text:Figure la shows a truss with pin supports at A and roller supports at B. All members have varying cross sectional areas as shown. E = 29,000 ksi for all members. Figure 1b shows the solved reactions and forces for the real system forces (in kips). The virtual forces (in kips) developed are shown in the boxes. 20 kips 20 kips 20 kips 20 kips 15 kips 15 kips 0 -0.8 D (6 in?) (8 in?) -18.75 (8 in?) (6 in?) B 15 kips A 15 -0.8 В A 16 ft 8.75 kips 31.25 kips Figure 1a Figure 1b N.T.S. N.T.S. a) Determine if the truss is statically determinate or statically indeterminate and to what degree. b) Use the compatibility conditions and the constitutive law and find the force in member AD. (zu1 9) (uI 9) 12 ft > -8.75 -0.6 9'0- 02- 12 ft
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