公开(公告)号：US20060144299A1

公开(公告)日：2006-07-06

申请号：US10563231

申请日：2004-06-29

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

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

IPC: C04B24/36 ,  C04B20/00

CPC classification number: C04B28/02 ,  C04B2111/34 ,  C04B2201/52 ,  C04B22/008 ,  C04B38/08

Abstract: 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.

Abstract translation: 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：US20040149171A1

公开(公告)日：2004-08-05

申请号：US10627166

申请日：2003-07-25

Inventor： Charles E. Price

IPC: C04B014/00 ,  C04B018/06

CPC classification number: C04B18/06 ,  C04B28/02 ,  C04B40/0608 ,  C04B2111/40 ,  C04B2201/52 ,  Y02W30/92 ,  Y10S106/01 ,  C04B20/0076

Abstract: A cementitious composition is provided that comprises an effective amount of bottom ash and an effective amount of cement. In one embodiment, a structural product formed from mixing the composition with an effective amount of water has a seven-day compressive strength of at least about 2,500 psi and, more preferably, a seven-day compressive strength of at least about 4,000 psi. In another embodiment, a structural product formed from mixing the composition with an effective amount of water has a twenty-eight-day compressive strength of at least about 4,000 psi and, more preferably, a twenty-eight-day compressive strength of at least about 5,000 psi.

Abstract translation: 提供了一种水泥组合物，其包含有效量的底灰和有效量的水泥。 在一个实施方案中，通过将组合物与有效量的水混合而形成的结构产品具有至少约2,500psi的7天抗压强度，更优选至少约4,000psi的7天抗压强度。 在另一个实施方案中，通过将组合物与有效量的水混合而形成的结构产品具有至少约4,000psi的二十八天抗压强度，更优选至少约二十八天的抗压强度至少为约 5,000 psi。

公开(公告)号：US20030150364A1

公开(公告)日：2003-08-14

申请号：US10203378

申请日：2003-02-20

Inventor： Gilles Orange ,  Evelyne Prat ,  Pascal Casanova ,  Mouloud Behloul

IPC: C04B024/00

CPC classification number: C04B28/02 ,  C04B2111/28 ,  C04B2201/52 ,  Y02W30/94 ,  C04B14/06 ,  C04B14/20 ,  C04B14/465 ,  C04B14/48 ,  C04B16/0633 ,  C04B18/146 ,  C04B20/0076 ,  C04B40/0028 ,  C04B38/0051

Abstract: The invention concerns the use of organic fibres having a melting point lower than 300null C., an average length l more than 1 mm and a diameter null not more than 200 nullm, in ultra high performance concrete for improving the concrete fire resistance, the amount of organic fibres being such that their volume ranges between 0.1 and 3% of the concrete volume after setting and the concrete having a compressive strength at 28 days of at least 120 Mpa, a bending strength of at least 20 Mpa, and a spread value in non-hardened state of at least 150 mm, the values being for a concrete preserved at 20null C., the concrete consisting of a particularly hardened cement matrix wherein metal fibres are dispersed.

Abstract translation: 本发明涉及在超高性能混凝土中使用熔点低于300℃，平均长度l大于1mm，直径不超过200μm的有机纤维，以改善混凝土耐火性， 的有机纤维使其体积在凝固后的混凝土体积的0.1至3％之间，混凝土在28天的抗压强度至少为120Mpa，弯曲强度为至少20Mpa，扩散值为 非硬化状态至少为150毫米，其值为20℃保存的混凝土，混凝土由特别硬化的水泥基质组成，其中金属纤维分散

公开(公告)号：US5135576A

公开(公告)日：1992-08-04

申请号：US600016

申请日：1990-10-18

Applicant: Knut Johansen ,  Oyvind Larsen ,  Terje Nilsen

Inventor： Knut Johansen ,  Oyvind Larsen ,  Terje Nilsen

IPC: C04B14/30 ,  B32B20060101 ,  B32B13/04 ,  B32B18/00 ,  C04B14/04 ,  C04B14/32 ,  C04B28/02 ,  C04B28/06 ,  C04B32/00 ,  C04B32/02 ,  C04B35/00 ,  C04B35/71 ,  C04B37/00 ,  C04B41/50 ,  C04B41/65

CPC classification number: C04B28/02 ,  C04B28/06 ,  C04B35/71 ,  C04B2111/56 ,  C04B2201/52

Abstract: The present invention relates to combined structures of ceramic material and super concrete, which structures comprise an outer layer of ceramic material bonded to an internal structure of super concrete or an outer structure of super concrete bonded to an inner layer of ceramic material.The ceramic material is selected among any class of inorganic non-metallic products which are subjected to a temperature of 540.degree. C. and above during manufacture or use, while the super concrete comprises densely packed particles of inorganic materials embedded in a matrix based on an hydraulic cement and having a strength of at least 70 MPa.