Istanbul, Türkiye – 2016

The tunnel that connects Asia and Europe, representing deposits of $ 1.25 billion.
In this business, TBM Tunnel has the world’s 6th largest diameter.
A minimum of 300,000 m³ of concrete will be produced.

CHRYSO^®Optima 100 is used to achieve a 38% water / cement ratio, excellent workmanship, pumping and high quality coating.
CHRYSO^®Air G 100, 6.0% is used for protection air content.