00784na  a2200181   4500001001300000005001500013008004100028040001100069041001300080052002800093245015300121300002300274545004400297653007000341700005300411773012000464900001800584KSI00038217820050520102315050510s1988    ulk           000   kor    a0110010 akorbeng01a051b대386ㄴㄷc5(1)00a構造用鋼의 疲勞龜裂成長에 대한 平均應力의 영향=x(The)mean stress effect on fatgue crack growth of structural steel/d박용걸  ap. 135-154;c26 cm  a박용걸, 토목공학과 전임강사  a구조용강a평균응력aStructural steelaFatgue crack growth1 a박용걸,g朴鎔傑,d1956-0KAC2017021884aut0 t논문집-한밭대학교.d대전공업대학.g5권 1집(1988년 6월), p. 135-154q5:1<135w(011001)KSE19951177410aBak, Yong-Gul