Baskaran, K.Kesawan, S.Kulathunga, D.D.C.D.Samarakoon, H.M.D.H.2020-03-022020-03-022011Engineer, 44(1):p.11-20https://dl-iesl.nsf.gov.lk/handle/1/2058ConfinementSpiral reinforcementPunching shearConfinement effectiveness in concrete structuresArticle