Answered: for problems 13.1 through 13.6 use the…

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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Question

for problems 13.1 through 13.6 use the virtual-work method to deteermine the deflection of each of the joints marked on the trusses shown in the accompaning illistrations. The circled figures are areas in square inches and E=29x10^6 psi unless otherwise indicated. the areas are 4, 4, 4, 4, 4 on the outside with the two in the middle being 2 (as shown in the picture- the circled numbers).

(4)
30 k
(4)
2
2
L2
20 k
60 k
2 at 40 ft = 80 ft-
L₁
15 ft

Expert Solution

Step 1 Given

$G i v e n : E = 29 x 10^{6} p s i E = 29 x 10^{3} \frac{k i p s}{i n^{2}} T o d e t e r m i n e : V e r t i c a l d e f l e c t i o n a t e a c h j o i n t s N o t e : P l e a s e p o s t a s e p e r a t e q u e s t i o n f o r d e t e r m i n i n i n g h o r i z o n t a l d e f l e c t i o n s a t e v e r y j o i n t s .$

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