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The sluice gates used in modern sea ports can be gigantic. Indeed, their size must adapt to the growing size of cargo ships (container ships, super tankers, car carriers) as well as cruise ships and liners.
As their length may exceed 400 m, their width 66 m and the draught 9 m, it is necessary to build even larger to enable access to the part of a port which is not subject to tides or inland navigation. Thus, there are now locks measuring 500 m long, 70 m wide and 18 m deep.
The doors on these locks are large sliding walls that must be able to withstand the forces exerted under the most extreme tides and wind conditions.
SENSY has been asked by R&D offices designing this type of structure to provide them with the means to measure the forces applied both vertically (weight) and horizontally (thrust on the guide wheels).
To do this, SENSY has designed and built special load pins with a capacity of 4.5 MN (450 t). These load pins are custom-made to allow for their implementation in the existing mechanics with a minimum of modification. They are able to work for long periods under water (IP68) and are equipped with a second measuring bridge (safety) with underwater connectivity.
Load cells often used for this type of application
