公开(公告)号：US20060144299A1

公开(公告)日：2006-07-06

申请号：US10563231

申请日：2004-06-29

申请人： Kazunori Takada ,  Shuji Yanai ,  Toshimichi Ichinomiya ,  Takahiro Watanabe ,  Yoshihiro Hishiki ,  Yukihiko Morita ,  Yohei Taira ,  Hiroshi Kasai

发明人： Kazunori Takada ,  Shuji Yanai ,  Toshimichi Ichinomiya ,  Takahiro Watanabe ,  Yoshihiro Hishiki ,  Yukihiko Morita ,  Yohei Taira ,  Hiroshi Kasai

IPC分类号： C04B24/36 ,  C04B20/00

CPC分类号： C04B28/02 ,  C04B2111/34 ,  C04B2201/52 ,  C04B22/008 ,  C04B38/08

摘要： A method is provided for reducing autogenous shrinkage in ultra high-strength concrete in the blending of ultra high-strength concrete with a compression strength in excess of 100 N/mm2, comprising the steps of: replacing 30 vol. % or less of coarse aggregate with artificial lightweight aggregate, and blending in a expansive additive in the amount of 30 kg/m3 of concrete and/or a shrinkage reducing agent in the amount of 4 wt. % or less per unit weight of binder, and thereby bringing the amount of autogenous shrinkage at a curing age of 91 days to 0-600 μm/m. The artificial lightweight aggregate used has water absorption of 5% or greater and 20% or less, a collapse load of 1000-2000 N and a bone-dry density of 1.4-2.0 g/cm3.

摘要翻译： 提供了一种在超高强度混凝土中混合具有超过100N / mm 2的压缩强度的超高强度混凝土中的自发收缩的方法，包括以下步骤：将30 卷 以人造轻骨料为主体的粗骨料％以下，在混合物30g / m 3以下的膨胀性添加剂和/或4重量％的减缩剂混合。 ％以下的粘合剂单位重量，从而将固化时间91天的自发收缩量设定为0〜600mum / m。 所使用的人造轻骨料的吸水率为5％以上且20％以下，塌陷负荷为1000〜2000N，骨干密度为1.4〜2.0g / cm 3。

公开(公告)号：US20090071378A1

公开(公告)日：2009-03-19

申请号：US11918626

申请日：2006-03-30

申请人： Yoshihiro Watanabe ,  Masanobu Ashida ,  Kazuhiro Aizawa ,  Kazunori Takada ,  Yoshihiro Hishiki ,  Toshio Ohno ,  Toshimichi Ichinomiya ,  Gorou Sakai ,  Noriaki Matsubara

发明人： Yoshihiro Watanabe ,  Masanobu Ashida ,  Kazuhiro Aizawa ,  Kazunori Takada ,  Yoshihiro Hishiki ,  Toshio Ohno ,  Toshimichi Ichinomiya ,  Gorou Sakai ,  Noriaki Matsubara

IPC分类号： C04B14/48

CPC分类号： C04B28/02 ,  C04B2201/52 ,  Y02W30/92 ,  Y02W30/94 ,  C04B14/48 ,  C04B18/08 ,  C04B18/146 ,  C04B22/143 ,  C04B18/065

摘要： Therefore, the problem to be solved by the present invention is to provide highly general purpose ultra high strength fiber-reinforced mortar or concrete that shows a higher fluidity (workability) at the fresh state, a higher bending strength with a less content of metal fiber by enhancing both the absolute value of the compressive strength of mortar -matrix excluding metal fiber and the ratio of the bending strength relative to the compressive strength simultaneously at the hardened state, and acceptability of fine aggregate being used in ordinary ready-mixed concrete. An ultra high strength fiber-reinforced cement composition is characterized in that it contains cement, silica fume, coal gasification fly ash, gypsum and metal fiber and that the mass ratio of silica fume : coal gasification fly ash is 95 through 50 portions: 5 through 50 portions. Ultra high strength fiber-reinforced mortar or concrete contains such a cement composition and fine aggregate. An ultra high strength cement additives is characterized in that it contains silica fume, coal gasification fly ash and gypsum as principal ingredients and the mass ratio of silica fume: coal gasification fly ash is 95 through 50 portions: 5 through 50 portions.

摘要翻译： 因此，本发明要解决的问题是提供高通用超高强度纤维增强砂浆或混凝土，其在新鲜状态下具有较高的流动性（可加工性），较高的弯曲强度，较少的金属纤维含量 通过在硬化状态下同时提高砂浆基质的抗压强度的绝对值，同时提高硬化状态下的抗压强度与抗压强度的比值，以及普通的预拌混凝土中使用的细骨料的可接受性。 超高强度纤维增强水泥组合物的特征在于含有水泥，硅灰，煤气化飞灰，石膏和金属纤维，硅灰质量比：煤气化飞灰为95〜50份：5〜 50份。 超高强度纤维增强砂浆或混凝土含有这种水泥组合物和细骨料。 超高强度水泥添加剂的特征在于含有硅灰，煤气化粉煤灰和石膏作为主要成分，硅灰质量比：煤气化飞灰为95〜50份：5〜50份。

公开(公告)号：US07670425B2

公开(公告)日：2010-03-02

申请号：US11918626

申请日：2006-03-30

申请人： Yoshiharu Watanabe ,  Masanobu Ashida ,  Kazuhiro Aizawa ,  Kazunori Takada ,  Yoshihiro Hishiki ,  Toshio Ohno ,  Toshimichi Ichinomiya ,  Gorou Sakai ,  Noriaki Matsubara

发明人： Yoshiharu Watanabe ,  Masanobu Ashida ,  Kazuhiro Aizawa ,  Kazunori Takada ,  Yoshihiro Hishiki ,  Toshio Ohno ,  Toshimichi Ichinomiya ,  Gorou Sakai ,  Noriaki Matsubara

IPC分类号： C04B14/00 ,  C04B18/06

CPC分类号： C04B28/02 ,  C04B2201/52 ,  Y02W30/92 ,  Y02W30/94 ,  C04B14/48 ,  C04B18/08 ,  C04B18/146 ,  C04B22/143 ,  C04B18/065

摘要： An ultra high strength fiber-reinforced cement composition includes cement, silica fume, coal gasification fly ash, insoluble anhydrous gypsum, and metal fiber having a length between 5 and 30 mm and a diameter of between 0.1 and 1 mm. The coal gasification fly ash is spherical fine particles having a maximum particle size between 5 and 10 μm. Mass ratio of the silica fume: the coal gasification fly ash is 95 through 50 portions: 5 through 50 portions.

摘要翻译： 超高强度纤维增强水泥组合物包括水泥，硅灰，煤气化飞灰，不溶性无水石膏和长度在5至30mm之间，直径在0.1至1mm之间的金属纤维。 煤气化飞灰是最大粒径在5〜10μm之间的球形微粒。 硅灰质量比：煤气化飞灰为95〜50份：5〜50份。