Low-density high-strength concrete and related methods
    12.
    发明申请
    Low-density high-strength concrete and related methods 有权
    低密度高强度混凝土及相关方法

    公开(公告)号:US20160060169A1

    公开(公告)日:2016-03-03

    申请号:US14857380

    申请日:2015-09-17

    Inventor: Randall Lee Byrd

    Abstract: A low-density, high-strength concrete composition that is both self-compacting and lightweight, with a low weight-fraction of aggregate to total dry raw materials, and a highly-homogenous distribution of a non-absorptive and closed-cell lightweight aggregate such as glass microspheres or copolymer polymer beads or a combination thereof, and the steps of providing the composition or components. Lightweight concretes formed therefrom have low density, high strength-to-weight ratios, and high R-value. The concrete has strength similar to that ordinarily found in structural lightweight concrete but at an oven-dried density as low as 40 lbs./cu.ft. The concrete, at the density ordinarily found in structural lightweight concrete, has a higher strength and, at the strength ordinarily found in structural lightweight concrete, a lower density. Such strength-to-density ratios range approximately from above 30 cu.ft/sq.in. to above 110 cu.ft/sq.in., with a 28-day compressive strength ranging from about 3400 to 8000 psi.

    Abstract translation: 低密度,高强度的混凝土组合物既自密实又重量轻,聚集体与总干原料的重量分数较低,非吸收性和闭孔轻质骨料的高均匀分布 例如玻璃微球或共聚物聚合物珠或其组合,以及提供组合物或组分的步骤。 由此形成的轻质混凝土具有低密度,高强度重量比和高R值。 混凝土的强度与通常在结构轻型混凝土中发现的强度相似,但干燥密度低至40lbs./cu.ft。 混凝土在结构轻型混凝土中通常发现的密度具有较高的强度,并且在结构轻型混凝土中通常发现的强度较低。 这种强度与密度的比值大约在30立方英尺/平方吋以上。 至高于110立方英尺/平方英寸,28天压缩强度范围约3400至8000磅/平方英寸。

    LOW-DENSITY HIGH-STRENGTH CONCRETE AND RELATED METHODS
    13.
    发明申请
    LOW-DENSITY HIGH-STRENGTH CONCRETE AND RELATED METHODS 审中-公开
    低密度高强度混凝土及相关方法

    公开(公告)号:US20150251952A1

    公开(公告)日:2015-09-10

    申请号:US14642141

    申请日:2015-03-09

    Inventor: Randall Lee Byrd

    Abstract: A low-density, high-strength concrete composition that is both self-compacting and lightweight, with a low weight-fraction of aggregate to total dry raw materials, and a highly-homogenous distribution of a non-absorptive and closed-cell lightweight aggregate such as glass microspheres, and the steps of providing the composition or components. Lightweight concretes formed therefrom have low density, high strength-to-weight ratios, and high R-value. The concrete has strength similar to that ordinarily found in structural lightweight concrete but at an oven-dried density as low as 40 lbs./cu. ft. The concrete, at the density ordinarily found in structural lightweight concrete, has a higher strength and, at the strength ordinarily found in structural lightweight concrete, a lower density. Such strength-to-density ratios range approximately from above 30 cu. ft/sq. in. to above 110 cu. ft/sq. in., with a 28-day compressive strength ranging from about 3400 to 8000 psi.

    Abstract translation: 低密度,高强度的混凝土组合物既自密实又重量轻,聚集体与总干原料的重量分数较低,非吸收性和闭孔轻质骨料的高均匀分布 例如玻璃微球,以及提供组合物或组分的步骤。 由此形成的轻质混凝土具有低密度,高强度重量比和高R值。 混凝土的强度与通常在结构轻型混凝土中发现的强度相似,但干燥密度低至40 lbs./cu。 ft。混凝土在结构轻型混凝土中通常发现的密度具有较高的强度,并且在结构轻型混凝土中通常发现的强度较低。 这种强度与密度的比例大约在30立方厘米以上。 英尺/平方英尺 在110立方米以上。 英尺/平方英尺 具有约3400至8000psi的28天抗压强度。

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