HYDRAULIC BINDER
    52.
    发明公开
    HYDRAULIC BINDER 有权
    液压箱BINDEMITTEL

    公开(公告)号:EP2953914A1

    公开(公告)日:2015-12-16

    申请号:EP14702639.7

    申请日:2014-02-05

    申请人: Lafarge

    IPC分类号: C04B28/04

    摘要: The present invention relates to a hydraulic binder comprising: 25 to 60 % by mass of Portland clinker; 5 to 15 % by mass of a first mineral addition selected from: o mineral additions reacting with at least 400 mg/g of CaO according to the method at 90°C described in the NF P 18-513 Standard of December 30, 201 1, in Appendix A, and o latent hydraulic materials; a second mineral addition reacting with less than 400 mg/g of CaO according to the method described herein above; and either a third mineral addition with a base of calcium carbonate or calcium sulphate, or both; the hydraulic binder comprising at least 1 % by mass of reactive aluminium, which is to say that contributes to the development of strengths.

    摘要翻译: 本发明涉及一种水硬性粘合剂,其包含:25〜60质量%的波特兰熟料; 5〜15质量%的选自以下的第一矿物添加物:o根据在美国国家科学院院刊第201卷1号的“NF P 18-513标准”中描述的90℃下的至少400mg / g的CaO反应的矿物添加物 ,附录A和o潜在水力材料; 根据上述方法的少于400mg / g的CaO的第二矿物加成反应; 和第三矿物添加物与碳酸钙或硫酸钙的碱或二者; 所述水硬性粘合剂包含至少1质量%的活性铝,这就有助于发展强度。

    HIGH STRENGTH CEMENT ADMIXTURE AND MANUFACTURING METHOD FOR CONCRETE ARTICLE
    53.
    发明公开
    HIGH STRENGTH CEMENT ADMIXTURE AND MANUFACTURING METHOD FOR CONCRETE ARTICLE 审中-公开
    赫菲斯特ZEMENTZUSATZ UND VERFAHREN ZUR HERSTELLUNG VON BETONWAREN

    公开(公告)号:EP2947058A1

    公开(公告)日:2015-11-25

    申请号:EP14740561.7

    申请日:2014-01-14

    摘要: To provide a high strength cement admixture which allows concrete to achieve steam-curing at an earlier stage because such concrete attains great initial strength development without retardation of setting even with use of a large amount of a high performance water reducing agent, and a process for producing a concrete product.
    A high strength cement admixture characterized by comprising a ground mixture of gypsum having a particle size of from 2,500 to 9,000 cm 2 /g as a Blaine specific surface area and glycerin, and preferably a silica material having a particle size of at least 5,000 cm 2 /g as a Blaine specific surface area and containing at least 60 mass% of SiO 2 , wherein the content of the glycerin is from 0.1 to 10 parts by mass per 100 parts by mass in total of the gypsum and the glycerin, and the content of the silica material is from 45 to 90 parts by mass, per 100 parts by mass in total of the gypsum, the silica material and the glycerin; and a process for producing a concrete product, characterized by blending the above high strength cement admixture, with cement, in an amount of from 2 to 15 parts by mass per 100 parts by mass in total of the cement and the high strength cement admixture.

    摘要翻译: 为了提供一种高强度水泥混合物,其允许混凝土在较早阶段实现蒸汽固化,因为即使使用大量的高性能减水剂,这种混凝土达到极大的初始强度开发而不延迟沉降, 生产混凝土产品。 一种高强度水泥混合物,其特征在于包含具有2500至9000cm 2 / g粒度的石膏的研磨混合物作为布莱恩比表面积和甘油,并且优选具有至少5,000cm 2的粒度的二氧化硅材料 / g作为Blaine比表面积,含有至少60质量%的SiO 2,其中甘油的含量相对于石膏和甘油的总计为100质量份为0.1〜10质量份,含量 相对于石膏,二氧化硅材料和甘油总量为100质量份,二氧化硅材料为45〜90质量份; 以及混合物的制造方法,其特征在于,将上述高强度水泥混合物与水泥混合,相对于水泥和高强度水泥外加剂的总量为100质量份,为2〜15质量份。