English to Spanish Tech/Engineering Ships, Sailing, Maritime

Enrique Sastrs has listed the translation in his glossary as "pila de puente" and I don't know if this is correct or not.

ABC allows corrosion protection engineers to specifiy previously impossible underwater protection for porous concrete bridge piers, because ABC forms a durable water proof and chemical proof barier coat which prohibits salt water, chloride ions and other corrosive chemicals from penetrating the porous concrete eto attack the reinforcement steel bars ...