Concrete structure for marine or river applications
(10) WO 2018/042240 A1
(22) 16.08.2017
(57) A concrete structure and its production process for marine or river applications comprising a first layer or outer layer of highly porous concrete and a second layer or inner core integrally formed with or bonded to the first layer, said second layer or inner core being made of low-porous or dense seawater or river resistant concrete. Such a structure can be produced by a process comprising pouring a mixture of cement, sand aggregates and water into a mold, allowing a portion of the cement paste to segregate from an upper region to a lower region of...