by ast | Jul 13, 2020 | News |
Oosterschelde storm surge barrier is with its 9 kilometres length the largest on of its kind in the world. The barrier is the last defense protecting The Netherlands from the sea. It has been built after the devastating North Sea flood of 1953. The North Sea flood...
by ast | Jul 13, 2020 | News |
In an African mine they built a safety door about 500 metres below surface to protect the below part from water intrusion. The door, 5 x 5 metres in square needs to close in case of an emergency. To seal this door, 3 inflatable seals are used, activated with max. 50...
