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混凝土维勃稠度试验
该试验由瑞典 Bahmer(1940) 完成,英国标准 BS1881 第二部分,通过把一个标准混凝土圆锥变成密实的平圆柱体所用的时间,即 V-B 时间,用 s做单位,规定精确到 0.5 s
construct.
V-B consistometer concrete
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