Monitoring Bolt Stress for Cut Slope Based on Wireless Sensor Network

Grasping the variation regularity of cut-slope protection structures and monitoring the side-slope steady state, one wireless sensor network technology is applied to monitoring cut slope and a remotely automatic and intelligentized monitoring slope system is designed. The stress data, environmental temperature and humidity data collected by sensors are transmitted to base station with IEEE802.15.4 protocol, and then the base station transmits these data to GSM network through GPRS. The slope state would be real-timely monitored with the data which be forwarded to a computer in monitoring centre through Internet network. The application software in monitoring computer displays, stores and processes these data, and indicates an alarm while they exceed some allowed threshold. The system solves problems of conventional slope monitoring one that is difficult in a real-time awareness of slope state and it has practical use for traffic safety in mountainous expressway sections and debris flow range.