METHOD OF MAKING CONCRETE
    3.
    发明申请
    METHOD OF MAKING CONCRETE 有权
    制造混凝土的方法

    公开(公告)号:US20100197818A1

    公开(公告)日:2010-08-05

    申请号:US12694323

    申请日:2010-01-27

    IPC分类号: C08J9/16

    摘要: A method of preparing a light weight concrete composition using expanded polymer particles that includes a) replacing from about 10 to about 50 volume percent of the coarse aggregate in the concrete composition with prepuff particles; and b) preparing the concrete composition by combining ingredients comprising 3-40 volume percent cement, 1-50 volume percent fine aggregate, 0-40 volume percent coarse aggregate, 10-22 volume percent water, and 5-40 volume percent of prepuff particles. The prepuff particles have an average particle diameter of from 0.2 mm to 5 mm, a bulk density of from 0.02 g/cc to 0.56 g/cc, an aspect ratio of from 1 to 3. The concrete composition has a density of from about 90 to about 135 lb./ft3 and after it is set for 28 days, has a compressive strength of at least 1800 psi as tested according to ASTM C39.

    摘要翻译: 一种使用发泡聚合物颗粒制备轻质混凝土组合物的方法,该方法包括:a)用预填料颗粒代替混凝土组合物中约10至约50体积%的粗骨料; 和b)通过组合包含3-40体积%水泥,1-50体积%细骨料,0-40体积%粗骨料,10-22体积%水和5-40体积百分比的稀释剂颗粒的成分来制备混凝土组合物 。 该稀释剂颗粒的平均粒径为0.2mm至5mm,堆积密度为0.02g / cc至0.56g / cc,纵横比为1至3.混凝土组合物的密度为约90 至约135磅/英尺3,并且在其设定28天后,根据ASTM C39测试的抗压强度为至少1800psi。