Application of Digital Photography (CCD) in Geological
Investigations during Tunnel Construction
GAN Hun-Rong, YANG Yi, LI Jian-She
1. |Scientific Research Institute of China Railway Tunnel Group Co., Ltd., Luoyang 471009, Henan|
2. Project Management Department of SDⅡ Bid Section of Wuhan~Guangzhou Passenger-dedicated
Railway, China Railway Tunnel Group, Pingshi 512229, Guangdong
GAN Hun-Rong, YANG Yi, LI Jian-She. Application of Digital Photography (CCD) in Geological
Investigations during Tunnel Construction[J]. Tunnel Construction, 2007, 27(增刊): 344-348.