The discussion revolves around the determination of the number of reaction forces at a pinned support in a structural analysis context. Participants explore the nature of supports, specifically distinguishing between pinned and roller supports, and the implications for calculating reaction forces in a truss structure.
Participants do not reach a consensus on the nature of support at point D, with some asserting it has no reactions while others argue there may be a connection that implies support. The discussion remains unresolved regarding the identification of supports and the implications for reaction forces.
There are limitations in the problem statement regarding the explicit identification of supports, leading to assumptions and interpretations that vary among participants. The discussion reflects differing understandings of structural connections and their implications for reaction forces.
The roller is labelled 'B' , although I do agree that the difference is not that obvious...fonseh said:
ok , i accept that the B is roller , then how about D ? Is it a roller or pinned support ? Why we don't have to consider the reactions at part D ?PhanthomJay said:
fonseh said:
How do we know that ? There's something connecting 2 force members together at D , right ? So , it must be pinned or roller or other supporting parts , right ? Why you said there's no support there ?sakonpure6 said:
fonseh said:
What do you mean ?sakonpure6 said:
fonseh said:
ok , understand . But , how do you know that ? It's not stated in the question . And the author also doesn't stated that the B is a roller , how do we know that ?sakonpure6 said:
fonseh said:
