1. Gas pressure welding method for steel reinforcing bars;Yamamoto;Welding Journal,1998
2. Ministry of Transportation Notification, Urgent Actions for Seismic Strengthening on Existing Railway Structures, Railway Technical Division, No. 116, July 1995 (in Japanese)
3. Railway Technical Research Institute, Design Standards for Railway Concrete Structures and Commentary, October 1992 (in Japanese)
4. Railway Technical Research Institute, Design and Construction Guidelines for Seismic Strengthening on Railway Viaduct Columns using Carbon Fiber Sheets, July 1995 (in Japanese)
5. Railway Technical Research Institute, Design and Construction Guidelines for Seismic Strengthening on Railway Viaduct Columns using Aramid Fiber Sheets, November 1995