01333naa a2200277 c 4500001001300000005001500013008004100028040001100069052002000080245017300100300002900273545007500302545007300377545007400450545008100524653012500605700001400730700001400744700001400758700004800772773016400820900001800984900001701002900001901019900001701038KSI00096750720210719100835210630s2021    ulk           000   eng    a01100102a624bK94c24(7)00aDifferent characteristics of radar signal attenuation depending on concrete condition of bare bridge deck /dJi-Young Rhee,eJaewon Shim,eSeong-Hoon Kee,eSang-Yum Lee  ap. 2049-2062 ;c28-29 cm  aJi-Young Rhee, Member, Korea Expressway Corporation Research Institute  aJaewon Shim, Member, Korea Expressway Corporation Research Institute  aSeong-Hoon Kee, Dept. of Architectural Engineering, Dong-A University  aSang-Yum Lee, Dept. of Construction and Safety Engineering, Induk University  aBare concrete bridge deckaGround penetrating radaraRadar attenuationaDepth-corrected attenuationaTwo way travel time1 a이지영1 a심재원1 a기성훈1 a이상염,g李相廉,d1972-0KAC2016362440 tKSCE journal of civil engineering.dSeoul Korean Society of Civil Engineers.gVol.24 no.7(2020 July), p. 2049-2062q24:7<2049w(011001)KSE199900541,x1226-798810aRhee, Jiyoung10aShim, Jaewon10aKee, Seonghoon10aLee, Sangyum