ABSTRACT
Throughou t th e lon g histor y o f h u m a n civilization , fou r basi c concept s o f building constructio n hav e evolve d an d developed . Thes e concepts , namely , beam an d column, masonr y arch , woode n trus s an d th e moder n stee l trus s and frame, wer e mad e possibl e b y availabl e constructio n material s an d applicabl e technical knowledg e o f eac h age .
