フラクタルを応用したトンネル切羽画像解析・前方地質予測システム

抄録

The stability of constructing tunnels at jointed rocks is susceptible to geological characteristics depending on the extent of cracking and weathering. Thus, the prediction of geological characteristics of these rocks ahead of a tunnel face is very important both from a safety hazard point of view and economical construction. We have developed an image-analysis system that can detect the locations of fault-shatter zones in the tunnel at an early stage of construction. A distinctive feature of this system is its ability to detect geological changes directly by digitizing geological information. And, another distinctive feature of this technique is the possibility of conducting a real time analysis by using a digital camera to observe the tunnel face without halting construction.