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    • 3. 发明公开
    • CONCRETE STRUCTURE FOR MARINE OR RIVER APPLICATIONS
    • 海洋或河流应用的混凝土结构
    • EP3289865A1
    • 2018-03-07
    • EP16290163.1
    • 2016-08-29
    • Holcim Technology Ltd.
    • Dubois-Brugger, IsabelleDuchand, SylvainHorgnies, MatthieuMorin, VincentDelarrard, FrançoisLecomte, Gilles
    • A01K61/70E02B3/04A01K61/77
    • A01K61/70A01K61/77C04B28/02C04B2111/00413C04B2111/00612C04B2111/00758C04B2111/24C04B2111/74E02B3/046Y02A40/83Y02A40/838C04B14/06C04B20/0076C04B40/0067C04B40/02C04B2103/32
    • A concrete structure and its production process for marine or river applications comprising a first layer (6) or outer layer of highly porous concrete and a second layer (7) or inner core integrally formed with or bonded to the first layer (6), said second layer (7) or inner core being made of low-porous or dense seawater or river resistant concrete. A process for producing such a concrete structure comprises a) preparing a fresh concrete mixture, said concrete mixture comprising cement, sand (2) aggregates and water, b) pouring the fresh concrete mixture into a mould (1), c) allowing a portion of the cement paste (3) to segregate from an upper region to a lower region of the mould (1), thereby forming the first layer (6) in the upper part and the second layer (7) in the lower part, d) allowing the concrete to set and cure and e) demoulding the concrete structure. Another process for producing such a concrete structure comprises a) preparing a first fresh concrete mixture, said concrete mixture comprising cement, sand (2) aggregates and water, b) pouring the first fresh concrete mixture into a formwork (8), c) allowing the concrete to set and cure so as to obtain said first layer (6) of porous concrete, d) relocating one wall of the formwork (8) so as to enlarge the same, d) preparing a second fresh concrete mixture, said concrete mixture comprising cement, aggregates and water, e) pouring the second fresh concrete mixture into the enlarged formwork (8) between the first layer (6) and the relocated wall (10) of the formwork (8), f) allowing the concrete to set and cure so as to obtain said second layer (7) of non-porous concrete.
    • 一种用于海洋或河流应用的混凝土结构及其制造方法,该混凝土结构及其制造方法包括第一层(6)或高度多孔混凝土的外层和与第一层(6)整体形成或结合的第二层(7)或内芯,所述 第二层(7)或内芯由低孔或密集的海水或防水混凝土制成。 一种生产这种混凝土结构的方法,包括:a)制备新鲜混凝土混合物,所述混凝土混合物包含水泥,砂(2)集料和水,b)将新拌混凝土混合物倒入模具(1)中,c) (3)从模具(1)的上部区域向下部区域分离,从而在上部形成第一层(6),在下部形成第二层(7),d) 允许混凝土固化和e)混凝土结构脱模。 生产这种混凝土结构的另一种方法包括:a)制备第一新鲜混凝土混合物,所述混凝土混合物包含水泥,砂(2)集料和水,b)将第一新鲜混凝土混合物倒入模板(8)中,c) 浇注混凝土以获得所述多孔混凝土的所述第一层(6); d)重新放置所述模板(8)的一个壁以扩大所述模板; d)制备第二新鲜混凝土混合物,所述混凝土混合物 e)将第二新拌混凝土混合物倒入第一层(6)和模板(8)的重新安置的壁(10)之间的放大模板(8)中,f)允许混凝土设置 并固化以获得所述第二无孔混凝土层(7)。