Lecture 02: RC II Chapter 1. Columns Reinforced Concrete Structure Part-1 In Amharic Don't forget to subscribe!!! Join this Telegram Channel:- https://t.me/Ethio_EngAcademy Contents of the videos are: Definition of columns Classifications of columns Columns may be classified based on the following criteria: a) Classification on the basis of geometry depending on the structural or architectural requirements. b) Classification on the basis of composition; c) Classification on the basis of lateral reinforcement; d) Classification on the basis of the manner by which lateral stability is provided to the structure as a whole; e) Classification on the basis of sensitivity to second-order effect due to lateral displacements; f) Classification on the basis of the degree of slenderness; g) Classification on the basis of loading: