作者: Sang Inn Woo , Joonyoung Kim , Choong-Ki Chung
DOI: 10.1520/GTJ20170047
关键词: Environmental science 、 Geotechnical engineering 、 Water temperature 、 Solenoid valve 、 Petroleum engineering 、 Actuator 、 Water level 、 Microcontroller 、 Hydraulic head 、 Permeability (earth sciences)
摘要: This paper proposes a constant water head permeability test device for soil with automatic control using sensors, actuators, and microcontroller. A microcontroller controls solenoid valve based on signals from level sensor to sustain level. The also uses digital scale, temperature sensor, time clock measure the amount of water, temperature, lapse, respectively, during test. In tests Jumunjin sand Gwanak weathered that were performed in this study, sustained level, minimizing wastage water. coefficients determined developed practically identical obtained conventional method had good agreement predicted values previous studies. study is expected well showcase improvement automation geotechnical experiments