Can someone confirm my answers on a few torsion problems?

AI Thread Summary
The discussion revolves around a student seeking confirmation on their answers to specific torsion problems, expressing uncertainty about questions 26, 27, and 29. They request feedback on which answers may be incorrect and ask for tips on solving these problems. A responder confirms that all answers provided by the student are correct, alleviating their concerns. The student expresses surprise and gratitude for the validation of their work. This exchange highlights the importance of peer support in academic problem-solving.
EastWindBreaks
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Homework Statement


QQ图片20170523004452.png


Homework Equations

The Attempt at a Solution


Scan0003.jpg

I feel I did something wrong, but not sure where is my problem. I don't feel conformable on number 26 and 27 and 29, can someone please tell me which answer is incorrect and any tip on solving it would be greatly appreciated!
 
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EastWindBreaks said:

Homework Statement


View attachment 204067

Homework Equations

The Attempt at a Solution


View attachment 204070
I feel I did something wrong, but not sure where is my problem. I don't feel conformable on number 26 and 27 and 29, can someone please tell me which answer is incorrect and any tip on solving it would be greatly appreciated!
Well you better start feeling comfortable because you got them all correct! Nice work.
 
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PhanthomJay said:
Well you better start feeling comfortable because you got them all correct! Nice work.
wow, I was expecting at least one incorrect answer, thank you for checking my work!
 
Thread 'Have I solved this structural engineering equation correctly?'

Thread 'Have I solved this structural engineering equation correctly?'

Hi all, I have a structural engineering book from 1979. I am trying to follow it as best as I can. I have come to a formula that calculates the rotations in radians at the rigid joint that requires an iterative procedure. This equation comes in the form of: $$ x_i = \frac {Q_ih_i + Q_{i+1}h_{i+1}}{4K} + \frac {C}{K}x_{i-1} + \frac {C}{K}x_{i+1} $$ Where: ## Q ## is the horizontal storey shear ## h ## is the storey height ## K = (6G_i + C_i + C_{i+1}) ## ## G = \frac {I_g}{h} ## ## C...
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