Description
The articles in this issue are not translated, only the abstracts of the articles are translated into English.
- The Collabos road tunnel (Spain) – The installation of connecting galleries between two tunnels using horizontal raise boring – J.R. Alocen, D. Provenchère
- Site visit: the new Lioran tunnel – M. Guillaud
- Presentation and activities: The new “underground space” committee – Jacques BREGEON
Recommendation of AFTES’ WG14 (French version):
Preliminary operations prior to approval of rehabilitation by grouting of underground structures
