why do we assume continuous beams as pinned support at the end while designing a continuous beam in a building




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Modo9:
why do we assume continuous beams as pinned support at the end while designing a continuous beam in a building

because that is the way the beam behaves in real life.

Modo9:
why do we assume continuous beams as pinned support at the end while designing a continuous beam in a building

Because that's the way they are built on site. Just get a good look at the beam-column junction before casting, you'll understand.