12.8. A portal frame made from members of equal plastic moment of resistance Pl/2 is loaded as shown in Figure 12.23. Find the critical collapse mechanism and the corresponding value of A. Verify that this mechanism satisfies the yield condition by drawing the bending moment diagram. AP B Til A с 2AP D E 777777 1/2

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Plz do not use gpt if u use chatgpt i will downvote you again don't use chatgpt 

12.8. A portal frame made from members of equal plastic moment of resistance Pl/2
is loaded as shown in Figure 12.23. Find the critical collapse mechanism and the
corresponding value of A. Verify that this mechanism satisfies the yield condition by
drawing the bending moment diagram.
2P
B
A
21/3
с
22P
1/3
E
TTTTTT
1/2
Transcribed Image Text:12.8. A portal frame made from members of equal plastic moment of resistance Pl/2 is loaded as shown in Figure 12.23. Find the critical collapse mechanism and the corresponding value of A. Verify that this mechanism satisfies the yield condition by drawing the bending moment diagram. 2P B A 21/3 с 22P 1/3 E TTTTTT 1/2
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