Trelleborg Marine and Infrastructure - Waterstops

Special construction methods have been engineered to ensure water-tightness in structures such as tunnels. Cut & cover tunnels are widely used for shallow tunnels. The tunnel consists of an in-situ cast concrete structure in an excavated trench. The trench will later be covered. These concrete sections are often too big to be poured as one monolithic unit and therefore have a number of construction joints.
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