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    Non-dispersible concrete for underwater and underground construction
    24.
    发明授权
    Non-dispersible concrete for underwater and underground construction 有权
    用于水下和地下施工的不分散混凝土

    公开(公告)号：US08147609B2

    公开(公告)日：2012-04-03

    申请号：US11802241

    申请日：2007-05-21

    申请人： Wen-Chen Jau

    发明人： Wen-Chen Jau

    IPC分类号： C04B7/02

    CPC分类号： C04B28/02 ,  C04B2111/00068 ,  C04B2111/00103 ,  C04B2111/74 ,  Y02W30/92 ,  Y02W30/94 ,  Y10S106/01 ,  C04B14/047 ,  C04B14/06 ,  C04B14/26 ,  C04B14/28 ,  C04B18/101 ,  C04B18/141 ,  C04B18/146 ,  C04B20/0076 ,  C04B24/2652 ,  C04B2103/304 ,  C04B2103/32 ,  C04B24/163 ,  C04B24/383 ,  C04B24/38 ,  C04B24/32 ,  C04B24/2641

    摘要： A non-dispersible concrete for underwater and underground construction is disclosed, whose composition primarily comprises: coarse aggregate in a range of from 600 to 1200 kgw/m3; fine aggregate 500 to 1100 kgw/m3, with a fineness modulus (F.M.) in a range of from 2.2 to 3.2; powder 300 to 700 kgw/m3; mixing water 140 to 300 kgw/m3; and cohesion-enhancing admixture (for example, polyacrylamide, PAA) whose solid content is 0.1 to 5.0 wt % of the powder. In addition, a SCC for underwater and underground construction is also developed and has excellent property of self-consolidation (its test value is 400 to 750 mm in slump flow spread test) and an appropriate compressive strength (between 14 to 70 MPa), so as can be widely applied to underwater and underground construction, whose composition further includes superplasticizer with solid content 0.1 to 3.0 wt % of the powder. Also, it covers: water to binder ratio (W/B) of 0.22 to 1.00, paste volume 0.25 to 0.60 m3, and water/powder volume ratio 0.5 to 2.95.

    摘要翻译： 公开了一种用于水下和地下施工的不分散混凝土，其组成主要包括：在600至1200kgw / m3范围内的粗骨料; 细骨料500至1100kgw / m3，细度模量（F.M。）在2.2至3.2的范围内; 粉300〜700kgw / m3; 混合水140〜300kgw / m3; 和内聚力增强剂混合物（例如，聚丙烯酰胺，PAA），其固体成分为粉末的0.1〜5.0重量％。 此外，还开发了水下和地下施工的SCC，具有优良的自固化性能（其坍落度流通试验中的试验值为400〜750mm）和合适的抗压强度（14〜70MPa），因此 可广泛应用于水下和地下施工，其组成还包括固体含量为粉末的0.1〜3.0重量％的超增塑剂。 此外，它包括：水与粘合剂比（W / B）为0.22至1.00，糊体积为0.25至0.60m 3，水/粉体积比为0.5至2.95。

    Method For Monitoring Thixotropy In Concrete Mixing Drum
    27.
    发明申请
    Method For Monitoring Thixotropy In Concrete Mixing Drum 有权
    混凝土搅拌桶中触变性监测方法

    公开(公告)号：US20110029134A1

    公开(公告)日：2011-02-03

    申请号：US12933947

    申请日：2008-04-07

    申请人： Kati Hazrati ,  Ara A. Jeknavorian ,  Eric Koehler

    发明人： Kati Hazrati ,  Ara A. Jeknavorian ,  Eric Koehler

    IPC分类号： G05B21/00

    CPC分类号： B28C7/026 ,  C04B40/0028 ,  C04B2111/00103 ,  C04B2111/0012 ,  G01N33/383 ,  G01N2011/0046

    摘要： The invention provides ‘thixotropy’ monitoring, by measuring the reversible, time-dependent reduction in viscosity occurring when concrete is subjected to mixing, and employs a mixing drum and conventional slump monitoring equipment as used on ready-mix trucks. In one embodiment, the drum is rotated until concrete is completely mixed; the speed is altered, such as by increasing it to a predetermined level; and the energy required to rotate the drum (ER) is monitored; the maximum (ER-MAX) and minimum (ER-MIN) values are recorded in computer memory; and these values are compared to pre-determined (target) values. Rheology factors (including viscosity, yield stress, and/or thixotropy) can be adjusted accordingly by adding liquid component(s) into the mix. This method, suitable for delivery of highly fluid concrete speed such as SCC, can involve transit and placement rheology targets during monitoring.

    摘要翻译： 本发明通过测量当混凝土混合时发生的粘度的可逆的时间依赖性降低，并采用混合罐和常规坍落度监测设备（如混合动力车上使用）来提供“触变性”监测。 在一个实施例中，滚筒旋转直到混凝土完全混合; 速度被改变，例如通过将其增加到预定水平; 并监测旋转鼓（ER）所需的能量; 最大（ER-MAX）和最小（ER-MIN）值被记录在计算机存储器中; 并将这些值与预定（目标）值进行比较。 流变因子（包括粘度，屈服应力和/或触变性）可以通过向混合物中加入液体组分来进行调节。 适用于输送高流体混凝土速度（如SCC）的方法可以在监测过程中涉及运输和放置流变目标。

    Ultrahigh-performance, self-compacting concrete, preparation method thereof and use of same
    28.
    发明授权
    Ultrahigh-performance, self-compacting concrete, preparation method thereof and use of same 有权
    超高性能，自密实混凝土，其制备方法和用途

    公开(公告)号：US07641731B2

    公开(公告)日：2010-01-05

    申请号：US10589138

    申请日：2005-02-11

    申请人： Sandrine Chanut ,  Thierry Thibaux

    发明人： Sandrine Chanut ,  Thierry Thibaux

    IPC分类号： C04B14/06

    CPC分类号： C04B28/02 ,  C04B2111/00103 ,  C04B2111/62 ,  C04B2111/802 ,  C04B2201/52 ,  Y02P40/146 ,  Y02W30/94 ,  C04B14/06 ,  C04B14/28 ,  C04B14/303 ,  C04B14/48 ,  C04B18/146 ,  C04B20/0076 ,  C04B20/008 ,  C04B2103/32 ,  C04B2103/50 ,  C04B14/386 ,  C04B16/0633 ,  C04B16/0691

    摘要： The invention relates to an ultra-high-performance, self-compacting light-colored concrete comprising: a cement; a mixture of calcined bauxite sands of different grain sizes, the finest sand having an average grain size of less than 1 mm and the thickest sand having an average grain size of less than 10 mm; optionally silica fume, whereby 90% of the particles thereof have a size of less than 1 ?m and the average diameter is approximately 0.5 ?m, said silica fume representing at most 15 parts by weight per 100 parts of cement; an antifoaming agent; water-reducing superplasticiser; optionally fibers; and water. The inventive concrete also comprises: ultrafine calcium carbonate particles having a specific surface area that is equal to or greater than 10 m2/g and a form factor (IF) that is equal to or greater than 0.3 and, preferably, equal to or greater than 0.4. The grain size distribution of the cements, sands, ultrafine calcium carbonate particles and silica fume is such that at least three, and at most five, different grain size ranges are present, the ratio between the average diameter of one grain size range and that of the range immediately above is approximately 10. The invention also relates to the method of preparing one such concrete and to the uses thereof.

    摘要翻译： 本发明涉及超高性能，自密实的浅色混凝土，其包括：水泥; 不同粒度的煅烧铝土矿砂的混合物，平均粒度小于1mm的最细砂，平均粒径小于10毫米的最厚砂; 任选的硅灰，其中90％的颗粒具有小于1μm的尺寸，平均直径约为0.5μm，所述硅灰每100份水泥代表最多为15重量份; 消泡剂; 减水超增塑剂; 可选纤维; 和水。 本发明的混凝土还包括：具有等于或大于10m 2 / g的比表面积的超细碳酸钙颗粒和等于或大于0.3的形状因子（IF），并且优选等于或大于 0.4。 水泥，砂，超细碳酸钙颗粒和硅灰的粒度分布使得存在至少三个，至多五个不同的晶粒尺寸范围，一个晶粒尺寸范围的平均直径与 上述范围大约为10.本发明还涉及制备这种混凝土及其用途的方法。

    Non-dispersible concrete for underwater and underground construction
    29.
    发明申请
    Non-dispersible concrete for underwater and underground construction 有权
    用于水下和地下施工的不分散混凝土

    公开(公告)号：US20080257221A1

    公开(公告)日：2008-10-23

    申请号：US11802241

    申请日：2007-05-21

    申请人： Wen-Chen Jau

    发明人： Wen-Chen Jau

    IPC分类号： C04B28/00 ,  C04B24/00 ,  C04B24/04

    CPC分类号： C04B28/02 ,  C04B2111/00068 ,  C04B2111/00103 ,  C04B2111/74 ,  Y02W30/92 ,  Y02W30/94 ,  Y10S106/01 ,  C04B14/047 ,  C04B14/06 ,  C04B14/26 ,  C04B14/28 ,  C04B18/101 ,  C04B18/141 ,  C04B18/146 ,  C04B20/0076 ,  C04B24/2652 ,  C04B2103/304 ,  C04B2103/32 ,  C04B24/163 ,  C04B24/383 ,  C04B24/38 ,  C04B24/32 ,  C04B24/2641

    摘要： A non-dispersible concrete for underwater and underground construction is disclosed, whose composition primarily comprises: coarse aggregate in a range of from 600 to 1200 kgw/m3; fine aggregate 500 to 1100 kgw/m3, with a fineness modulus (F.M.) in a range of from 2.2 to 3.2; powder 300 to 700 kgw/m3; mixing water 140 to 300 kgw/m3; and cohesion-enhancing admixture (for example, polyacrylamide, PAA) whose solid content is 0.1 to 5.0 wt % of the powder. In addition, a SCC for underwater and underground construction is also developed and has excellent property of self-consolidation (its test value is 400 to 750 mm in slump flow spread test) and an appropriate compressive strength (between 14 to 70 MPa), so as can be widely applied to underwater and underground construction, whose composition further includes superplasticizer with solid content 0.1 to 3.0 wt % of the powder. Also, it covers: water to binder ratio (W/B) of 0.22 to 1.00, paste volume 0.25 to 0.60 m3, and water/powder volume ratio 0.5 to 2.95.

    摘要翻译： 公开了一种用于水下和地下结构的不分散混凝土，其组成主要包括：在600至1200kgw / m 3范围内的粗骨料; 细骨料500至1100kgw / m 3，细度模量（F.M。）在2.2至3.2的范围内; 粉末300〜700kgw / m 3; 混合水140至300kgw / m 3; 和内聚力增强剂混合物（例如，聚丙烯酰胺，PAA），其固体成分为粉末的0.1〜5.0重量％。 此外，还开发了水下和地下施工的SCC，具有优良的自固化性能（其坍落度流通试验中的试验值为400〜750mm）和合适的抗压强度（14〜70MPa），因此 可广泛应用于水下和地下施工，其组成还包括固体含量为粉末的0.1〜3.0重量％的超增塑剂。 此外，它包括：水与粘合剂比（W / B）为0.22至1.00，糊体积为0.25至0.60m 3，水/粉体积比为0.5至2.95。