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    Concrete with a low cement content
    2.
    发明授权
    Concrete with a low cement content 有权
    混凝土含水量低

    公开(公告)号：US08043425B2

    公开(公告)日：2011-10-25

    申请号：US11749352

    申请日：2007-05-16

    申请人： Emmanuel Garcia

    发明人： Emmanuel Garcia

    IPC分类号： C04B7/02

    CPC分类号： C04B22/0026 ,  C04B28/04 ,  C04B2111/00051 ,  C04B2111/00094 ,  Y02W30/92 ,  Y02W30/94 ,  Y02W30/95 ,  Y10S106/01 ,  Y10S264/43 ,  C04B20/0076 ,  C04B20/008 ,  C04B14/06 ,  C04B14/16 ,  C04B14/28 ,  C04B18/08 ,  C04B18/141 ,  C04B18/146 ,  C04B18/167 ,  C04B2103/10 ,  C04B2103/20 ,  C04B2103/30 ,  C04B2103/304 ,  C04B2103/44

    摘要： A subject of the invention is a mixture comprising in proportions by mass: from 0.4 to 4%, preferably from 0.8 to 1.7%, of materials in the ultrafine particle size range, constituted by particles with a D90 smaller than 1 μm and/or with a specific BET surface area greater than 6 m2/g; from 1 to 6%, preferably from 2 to 5%, of Portland cement; from 8 to 25%, preferably from 12 to 21%, of materials in the fine particle size range, constituted by particles the D10 and the D90 of which are comprised between 1 μm and 100 μm and with a specific BET surface area of less than 5 m2/g, different from the cement; from 25 to 50%, preferably from 30 to 42%, of materials in the medium particle size range, constituted by particles the D10 and the D90 of which are comprised between 100 μm and 5 mm; and from 25 to 55%, preferably from 35 to 47%, of materials in the larger particle size range, constituted by particles the D10 of which is greater than 5 mm. The invention also relates in particular to premixes, concrete compositions and associated objects made of hardened concrete, as well as their preparation methods.

    摘要翻译： 本发明的主题是包含质量比例为0.4〜4％，优选为0.8〜1.7％的超细粒径范围的材料的混合物，其由D90小于1μm的颗粒和/或具有 特定BET表面积大于6m 2 / g; 1〜6％，优选2〜5％的波特兰水泥; 8〜25％，优选12〜21％的微粒尺寸范围的材料由D10和D90由1μm至100μm的颗粒构成，比BET比表面积小于 5 m2 / g，不同于水泥; 25至50％，优选30至42％的中等粒度范围的材料由D10和D90包含在100μm和5mm之间的颗粒构成; 和25至55％，优选35至47％的较大粒度范围内的材料，由D10大于5mm的颗粒组成。 本发明还特别涉及由硬化混凝土制成的预混合物，混凝土组合物和相关物体及其制备方法。

    CONCRETE WITH A LOW CLINKER CONTENT
    4.
    发明申请
    CONCRETE WITH A LOW CLINKER CONTENT 有权
    混合低含量内容

    公开(公告)号：US20120024198A1

    公开(公告)日：2012-02-02

    申请号：US13258355

    申请日：2010-03-23

    申请人： Arnaud Schwartzentruber ,  Mylène Martin ,  Philippe Benard ,  Serge Sabio

    发明人： Arnaud Schwartzentruber ,  Mylène Martin ,  Philippe Benard ,  Serge Sabio

    IPC分类号： C04B16/00 ,  C04B18/06

    CPC分类号： C04B28/04 ,  C04B40/0042 ,  C04B2111/00051 ,  Y02P40/146 ,  Y02W30/92 ,  Y02W30/94 ,  C04B14/06 ,  C04B14/106 ,  C04B14/108 ,  C04B14/28 ,  C04B18/08 ,  C04B18/141 ,  C04B18/146 ,  C04B20/008 ,  C04B22/147 ,  C04B2103/0088 ,  C04B2103/32 ,  C04B24/2647 ,  C04B7/527

    摘要： A dry binder premix includes, in mass proportions: Portland clinker having a Blaine specific surface area comprised from 4500 to 9500 cm2/g, the minimum quantity of the clinker by mass percentage relative to the total mass of the premix being determined according to: [−6.10−3×BSSk]+75, in which BSSk is the Blaine specific surface area of the clinker given in cm2/g; fly ash; an alkali sulphate; one source of SO3; complementary materials having a Dv90 less than or equal to 200 μm selected from limestone powders, calcined shale, metakaolins, siliceous fillers, silica powders, pozzolans, slags, fly ash and mixtures thereof A quantity of clinker+the quantity of fly ash is greater than or equal to 75% by mass percentage relative to the total mass of the premix and a total quantity of clinker in the premix is less than 60% by mass percentage relative to the total mass of the premix.

    摘要翻译： 干粘合剂预混物以质量比例包括：具有4500至9500cm2 / g的布莱恩比表面积的波特兰熟料，相对于预混物的总质量，熟料的最小量按质量百分比计为： -6.10-3×BSSk] +75，其中BSSk为熟料的Blaine比表面积，单位为cm2 / g; 飞灰; 碱硫酸盐; SO3的一个来源; 具有选自石灰石粉末，煅烧页岩，偏高岭土，硅质填料，二氧化硅粉末，火山灰，矿渣，飞灰及其混合物的Dv90小于或等于200μm的补充材料。熟料+粉煤灰的量大于 或相对于预混物的总质量等于75质量％，并且预混物中熟料的总量相对于预混物的总质量小于60质量％。

    Concrete with a low clinker content
    7.
    发明授权
    Concrete with a low clinker content 有权
    具有低熟料含量的混凝土

    公开(公告)号：US08603238B2

    公开(公告)日：2013-12-10

    申请号：US13258355

    申请日：2010-03-23

    申请人： Arnaud Schwartzentruber ,  Myléne Martin ,  Philippe Benard ,  Serge Sabio

    发明人： Arnaud Schwartzentruber ,  Myléne Martin ,  Philippe Benard ,  Serge Sabio

    IPC分类号： C04B14/04 ,  C04B14/10 ,  C04B18/06

    CPC分类号： C04B28/04 ,  C04B40/0042 ,  C04B2111/00051 ,  Y02P40/146 ,  Y02W30/92 ,  Y02W30/94 ,  C04B14/06 ,  C04B14/106 ,  C04B14/108 ,  C04B14/28 ,  C04B18/08 ,  C04B18/141 ,  C04B18/146 ,  C04B20/008 ,  C04B22/147 ,  C04B2103/0088 ,  C04B2103/32 ,  C04B24/2647 ,  C04B7/527

    摘要： A dry binder premix includes, in mass proportions: Portland clinker having a Blaine specific surface area comprised from 4500 to 9500 cm2/g, the minimum quantity of the clinker by mass percentage relative to the total mass of the premix being determined according to: [−6.10−3×BSSk]+75, in which BSSk is the Blaine specific surface area of the clinker given in cm2/g; fly ash; an alkali sulphate; one source of SO3; complementary materials having a Dv90 less than or equal to 200 μm selected from limestone powders, calcined shale, metakaolins, siliceous fillers, silica powders, pozzolans, slags, fly ash and mixtures thereof. A quantity of clinker+the quantity of fly ash is greater than or equal to 75% by mass percentage relative to the total mass of the premix and a total quantity of clinker in the premix is less than 60% by mass percentage relative to the total mass of the premix.

    摘要翻译： 干粘合剂预混合物以质量比例包括：具有4500至9500cm2 / g的布莱恩比表面积的波特兰熟料，相对于预混物的总质量，熟料的最小量按质量百分比计为： -6.10-3×BSSk] +75，其中BSSk为熟料的Blaine比表面积，单位为cm2 / g; 飞灰; 碱硫酸盐; SO3的一个来源; 选自石灰石粉末，煅烧页岩，偏高岭土，硅质填料，二氧化硅粉末，火山灰，矿渣，飞灰及其混合物的小于等于200μm的Dv90的补充材料。 一批熟料+粉煤灰的量相对于预混物的总质量大于或等于75质量百分比，预混物中的熟料总量相对于总量小于60质量％ 大量的预混物。

    Method for compression casting concrete to reduce cement
    8.
    发明授权
    Method for compression casting concrete to reduce cement 有权

    公开(公告)号：US11883982B2

    公开(公告)日：2024-01-30

    申请号：US18127522

    申请日：2023-03-28

    申请人： SHENZHEN UNIVERSITY

    发明人： Yufei Wu ,  Biao Hu ,  Xun Wang

    IPC分类号： B28B3/02 ,  B28B17/00 ,  C04B40/00 ,  B28C5/00 ,  C04B111/00

    CPC分类号： B28C5/003 ,  B28B3/022 ,  B28B17/0081 ,  C04B40/0096 ,  C04B2111/00051 ,  C04B2111/00068

    摘要： The present disclosure discloses a method for compression casting concrete to reduce the amount of cement, including: adopting any existing concrete mix proportion designed for concrete of given strength, mixing the concrete, pouring the concrete into a mould, and compressing the concrete at a given pressure, where 28-day strength of the compacted concrete is increased; gradually reducing the amount of cement while keeping the amounts of other materials unchanged, where 28-day strength of the concrete is gradually reduced until the concrete meets a design index; proportionally reducing amounts of water and cement in a last mix proportion while keeping the amounts of other materials unchanged, where during compression casting of the concrete, discharge of cement paste is gradually reduced until no cement paste is discharged; and compression casting a concrete member according to a final mix proportion.