@incollection{, 57BF78A034B5E6FE4DB0CD9C8443CEB4 , author={{Ali AlAloosi} and {ZiaRazzaq} and {Old Dominion University}}, journal={{Global Journal of Researches in Engineering}}, journal={{GJRE}}2249-45960975-586110.34257/gjre, address={Cambridge, United States}, publisher={Global Journals Organisation}165715 } @incollection{b0, , title={{Stability, Vibration and Passive Damping of Partially restrained imperfect columns}} , author={{ ZiaRazzaq } and { RTVoland } and { HGBush } and { MMMikulas }} , journal={{NASA Technical Memorandum}} 85697 , year={October 1983} } @incollection{b1, , title={{Quasi-static Analysis of Structural Impact Damage}} , author={{ NJones }} , journal={{J. Construct. Steel Research}} 33 , year={1995. 2016} } @incollection{b2, , title={{}} , author={{ E }} , journal={{Global Journals Inc}} , year={2016} } @book{b3, , title={{The dynamical Behavior of Structures}} , author={{ GBWarburton }} , year={1976} , publisher={Pergamon Press Ltd} } @book{b4, , title={{Modern Methods of Engineering Computation}} , author={{ RobertLKetter } and { PrawelSherwoodJr } and { P }} , year={1969} , publisher={McGraw-Hill Companies} } @incollection{b5, , title={{Axially pre-loaded steel tubes subjected to lateral impacts: an experimental study}} , author={{ MZeinoddini } and { GA RParkeb } and { JEHarding }} , journal={{International Journal of Impact Engineering}} 27 , year={2002} } @incollection{b6, , title={{Deformation And Failure Of Clamped Beams Under Low Speed Impact Loading}} , author={{ HMWen } and { TYReddy } and { SRReid }} , journal={{International Journal of Impact Engineering}} 16 3 , year={1995} }