© Arava Drainage and Streams Authority / Glimmer - Industrial Consultation
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Cortec’s MCI-2005 Corrosion Inhibiting Admixture Chosen to Protect the Kinnet Tunnel To ensure long-term protection against corrosion and enhance the
The challenges
durability of metallic reinforcement in concrete structures Cortec
The Kinnet tunnel is being constructed to collect flood water from the
provided the corrosion inhibiting admixture MCI®-2005 for the
entire Arava region and the city of Eilat, Israel. The environment in which
construction of the Kinnet Tunnel in Israel.
the tunnel is located is a very harsh one, with sulfate-rich ground and extremely hot weather conditions. Moreover, the regions’ flood water
T
is considered soft water, which contains very few minerals and is very o inhibit corrosion at the level of the rebar, reduce autogenous,
aggressive toward concrete.
plastic, and thermal cracking, and withstand sulfate attack
The aggressive environment where the Kinnet tunnel is located
throughout the Kinnet Tunnel’s service life a combination of corrosion
poses two significant challenges: a physical challenge from
inhibiting admixture MCI®-2005 by Cortec, used with C35/45 concrete
drift-rich water erosion (since the tunnel is not covered and can collect
comprising CEM-III/B sulfate-resistant cement (according to Table-One
debris in the water) and a chemical challenge from aggressive soil
of EN-197-1 and its Israeli equivalent Table-One of IS-1) was specified.
without and soft water within. The casting of thick concrete elements
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N.34 - 2020 JUNE - ipcm® Protective Coatings