Bonopera, M.M.BonoperaChang, K.-C.K.-C.ChangChen, C.-C.C.-C.ChenSung, Y.-C.Y.-C.SungTullini, N.N.TulliniKUO-CHUN CHANG2019-12-202019-12-202018https://scholars.lib.ntu.edu.tw/handle/123456789/437307Prestress force effect on fundamental frequency and deflection shape of PCI beamsjournal article10.12989/sem.2018.67.3.2552-s2.0-85051950435https://www.scopus.com/inward/record.uri?eid=2-s2.0-85051950435&doi=10.12989%2fsem.2018.67.3.255&partnerID=40&md5=90c29bdaa80e8d8ff4388ad61e6d7d3b