Bonopera, M.M.BonoperaChang, K.C.K.C.ChangChen, C.C.C.C.ChenSung, Y.C.Y.C.SungTullini, N.N.TulliniKUO-CHUN CHANG2019-12-202019-12-202019https://scholars.lib.ntu.edu.tw/handle/123456789/437299[SDGs]SDG11Experimental study on the fundamental frequency of prestressed concrete bridge beams with parabolic unbonded tendonsjournal article10.1016/j.jsv.2019.04.0382-s2.0-85065821179https://www.scopus.com/inward/record.uri?eid=2-s2.0-85065821179&doi=10.1016%2fj.jsv.2019.04.038&partnerID=40&md5=aaf73907d2be3594443feb802851173e