Marmaray Railway Tunnel
DURABET® concrete is a high performance concrete resistant to severe exposure conditions, impermeable and it has low crack risk, low heat development properties. The choice of material allows a durable and safe tunnel for many years without maintenance.
CEM I 42,5 N type low alkali cement is produced exclusively for DURABET® by Bolu Cement Factory, a part of OYAK Cement Group. All aggregates are obtained from special resources after petrographic analysis.
Concrete: Appr.1.000.000 m3 (Mostly DURABET® C40)
Cement Type: OYAK Bolu Cement- CEM I 42.5 N (SR-Low Alkali)