1. Singly Reinforced Concrete
2. Doubly Reinforced Concrete
3) 'T' Beam
4) 'L' Beam
Here also you can find the same thing in this video for more comfirtable learning process because some people love to hear music while learning.
Life Long Learning (LLL) on Civil Engineering education, latest technology and current issues regarding sustainable environment worldwide in perspective of a very young engineer.