EXPERIMENTAL INVESTIGATION OF RIVER BED METERIALS BY USING THE CHARACTERISTICS OF ULTRASONIC SENSOR

  • YEO WOONKWANG (Department of Cvivil & Environmental Engineering, Myongji University) ;
  • KIM YOUNGBIN (Datapcs, Co., Ltd) ;
  • LEE JONGKOOK (Datapcs, Co., Ltd) ;
  • JANG BOKJIN (Department of Civil & Environmental Engineering, Myongji University)
  • Published : 2005.09.01