Pierre Danel


The tetrapod is no longer entirely a new-comer in the field of marine construction. The sea water intake of the Roches Noires thermic power station at Casablanca, North Africa, the first structure for which tetrapods were used, was constructed nearly four years ago. However, it is of interest to recall the ideas which stimulated the invention of this new type of protection


armor units; concrete; tetrapods

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