𝐋𝐨𝐜𝐚𝐥𝐢𝐭𝐢𝐞𝐬 𝐨𝐟 𝐏𝐥𝐚𝐬𝐭𝐢𝐜 𝐇𝐢𝐧𝐠𝐞𝐬
This a perfect example to summarise the location of the development of plastic hinges in beams.
Plastic hinges will form when the flexural capacity envelope and the actual moment coincide at “Moment = Mc”, and at a distance “Lac”
Let me know if you have any queries in understanding this figure.