| QR 1998 Vol.39 No.1 | 
| MESSAGE | 
| Trends of Tunneling Technologies in Japan | ||
| H.KAWATA | ||
| NEWS | 
| Summary of WCRR'97 in Florence | ||
| H.TANAKA | ||
| The Second Train Set for the Yamanashi Test Line | ||
| T.HIROTA | ||
| REVIEWS | 
| Changes in Railway Tunnel Technology and its Overview | ||
| T.ASAKURA | ||
| Mountain Tunnels Damage in the 1995 HYOGOKEN-NANBU Earthquake | ||
| T.ASAKURA, Y.SATO | ||
| PAPERS | 
| Study on Earthquake Damage to Tunnels and Reinforcement of Portals | ||
| T.ASAKURA, W.LUO, Y.KOJIMA, Y.SATO, K.YASHIRO | ||
| The Design of Lining Segment of Shield Tunnel Using a Beam-Spring Model | ||
| Y.KOYAMA, T.NISHIMURA | ||
| 2-and 3-Dimensional Analyses of Shield Tunnels | ||
| Y.KOYAMA, S.KONISHI, Y.ARAI, N.OKANO | ||
| Back-fill Grouting Model Test for Shield Tunnel | ||
| Y.KOYAMA, Y.SATO, N.OKANO, M.SHIMIZU | ||
| The Evaluation of the Tunnel with Structural Defects in Lining and its Countermeasures | ||
| T.ASAKURA, Y.KOJIMA, Y.SATO, K.YASHIRO, T.ANDO | ||
| Design Method of Countermeasures for Deformed Tunnel | ||
| Y.KOJIMA, T.ASAKURA, Y.SATO, K.YASHIRO | ||
| SUMMARIES | ||
| Summaries of RTRI REPORT (in Japanese) | ||
| ANNUAL INDEX | ||
| Annual Index: Subjects Vol.39, No.1 (1998) | ||