https://res.cloudinary.com/engineering-com/image/upload/v1712223175/tips/New_Drawing_4_ouv9sq.pdf
Check my understanding.
when a RC beam is subjected to bending, both the concrete strain (Ɛc) and reinforcement strain (Ɛs) started out the same, say 0.0005.
As moment increase, both Ɛc and Ɛs...