Water Diversion Project from Yangtze River to Han River is an important part of Chinese national water network construction.It is known as the most difficult long-distance water diversion tunnel under construction in Chi-na.In order to solve the construction challenges of keeping tunnelling efficiently under complex geological conditions,this project utilizes the tunnel security monitoring technology on a large scale.In general,security monitoring technolo-gy takes advantage of sensors,displacement gauges etc to directly measure and continuously observe indicators such as ground stress,seepage etc that indicate the features of the surrounding rock in tunnel.This paper focuses on the appli-cation of security monitoring technology to the construction process of 13# tunnel in Water Diversion Project from Yangtze River to Han River.The long-term monitoring data collected from multi-point borehole extensometers,bolt tension meters and osmometers which are located at K0+040 tunnel section is fully analyzed and the analysis results show that K0+040 tunnel section maintains security and stability now.It indicates that the application of security mo-nitoring technology to tunnel engineering has already achieved the desired effect.
security monitoringwater diversion project from Yangtze River to Han Riversurrounding rock
万方数据
维普
