One thing all tunnels have in common is that they leak groundwater. The hydrology engineering is always designed to collect and drain seeping water through channels built on the edges of the tarmac or railway lines installed on the floor of the tunnel.
However, the groundwater often seeps through the overhead or side wall concrete and this can cause problems when this contaminated water comes into contact with overhead lighting, cars or railway vehicles transiting the tunnel and the concrete surface – causing failure of paint or coatings that may be installed through de-bonding. In excessive quantities this can also present a traffic hazard.
The buildup over time of efflorescence on concrete tunnel walls can make the installation of protective paints or coatings such as polyurea only last a short while before they need to be replaced.
CAM 110 products, which are based upon a unique, catalyzed colloidal silica technology, provide permanent concrete protection solutions that no coating, membrane, or conventional concrete surface chemical treatment products can ever match.
Our company is highly specialized with a strong network, profound knowledge and innovative thinking. We can help your company to have a more competitive edge with more environmentally friendly solutions.
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