Dept.of Architectural Engineering;
Chungju National University;
Chungju;
Korea;
Dept.of Architectural Engineering;
Chungnam National University;
Daejeon;
Korea;
Dept.of Architectural Engineering;
Hanbat National University;
Daejeon;
Korea;
SRC; column-steel; beam; joint; effective; width; flange; width; beam; depth;