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So far, there have been no indications – either during the trial projects or internal tests based on heavy precipitation or high water levels – that the elements will float to the surface. To minimise this potential risk, the CCL elements are fitted with side strips along the floor of the structure. These extensions increase soil resistance, which effectively prevents an element from being pushed to the surface.
The connectors have been designed so that the elements all lie on a single horizontal plane, with no height differences whatsoever betwe