Alter Mainzer Tunnel
Mainz, Germany
Location
Mainz, Germany
Info
enlargement of the tunnel with mining technique and injection methods in advance
Cross section
enlargement from 44,0 to 71,5m²
Costs
approx. 62.000.000€
Client
DB ProjektBau GmbH, regional area middle commissioned by Grontmij/BGS Ingenieurgesellschaft mbH
Total length
TuMzHbf 656m/TuMzSüd 238m
Construction period
2007-2010
- documentation of the geological and hydrological conditions
- supervision of the site investigation during the construction progress and of the injection measures
- geotechnical supervision and evaluation of the measured data
- presentation of the geotechnical, hydrological and geotechnical conditions in longitudinal tunnel sections
- consulting in planning, execution and optimisation of the excavation
