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
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
![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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F11f60320-7f7a-46d9-b236-1261155c54af%2F7f9b95ea-2481-46f8-b87f-b21a0b7dc802%2F4155nl_processed.jpeg&w=3840&q=75)
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
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Recommended textbooks for you
![Structural Analysis](https://compass-isbn-assets.s3.amazonaws.com/isbn_cover_images/9781337630931/9781337630931_smallCoverImage.jpg)
![Structural Analysis (10th Edition)](https://www.bartleby.com/isbn_cover_images/9780134610672/9780134610672_smallCoverImage.gif)
Structural Analysis (10th Edition)
Civil Engineering
ISBN:
9780134610672
Author:
Russell C. Hibbeler
Publisher:
PEARSON
![Principles of Foundation Engineering (MindTap Cou…](https://www.bartleby.com/isbn_cover_images/9781337705028/9781337705028_smallCoverImage.gif)
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
![Structural Analysis](https://compass-isbn-assets.s3.amazonaws.com/isbn_cover_images/9781337630931/9781337630931_smallCoverImage.jpg)
![Structural Analysis (10th Edition)](https://www.bartleby.com/isbn_cover_images/9780134610672/9780134610672_smallCoverImage.gif)
Structural Analysis (10th Edition)
Civil Engineering
ISBN:
9780134610672
Author:
Russell C. Hibbeler
Publisher:
PEARSON
![Principles of Foundation Engineering (MindTap Cou…](https://www.bartleby.com/isbn_cover_images/9781337705028/9781337705028_smallCoverImage.gif)
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
![Fundamentals of Structural Analysis](https://www.bartleby.com/isbn_cover_images/9780073398006/9780073398006_smallCoverImage.gif)
Fundamentals of Structural Analysis
Civil Engineering
ISBN:
9780073398006
Author:
Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning
Publisher:
McGraw-Hill Education
![Sustainable Energy](https://www.bartleby.com/isbn_cover_images/9781337551663/9781337551663_smallCoverImage.gif)
![Traffic and Highway Engineering](https://www.bartleby.com/isbn_cover_images/9781305156241/9781305156241_smallCoverImage.jpg)
Traffic and Highway Engineering
Civil Engineering
ISBN:
9781305156241
Author:
Garber, Nicholas J.
Publisher:
Cengage Learning