Login or register (free and only takes a few minutes) to participate in this question.
You will also have access to many other tools and opportunities designed for those who have language-related jobs (or are passionate about them). Participation is free and the site has a strict confidentiality policy.
06:10 Dec 9, 2010
This question was closed without grading. Reason: Answer found elsewhere
English to Spanish translations [Non-PRO] Construction / Civil Engineering
English term or phrase:shell tunnel
The shell tunnel, here still with the tracks of the construction railway and additional installations of the shell builders, will then, with the construction of the permanent railway, rail guide and further components, become an operational railway tunnel.
The shell tunel can be cement sprayed onto bare rock and later becomes part of the permanent tunel.
Automatic update in 00:
Reference: primer capa de sostenimiento, 2gnda de revestimiento
Reference information: Debido a las elevadas solicitaciones a las que estará sometido el hormigón proyectado, el cual actúa la vez como capa de sostenimiento y como capa de revestimiento, sus especificaciones técnicas y requerimientos fueron muy exigentes.