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Fresh Concrete

Concrete Workability by Compacting Factor

Description

The compacting factor test measures the workability of concrete. Workability describes how easily concrete can move and fill a mold or form during construction. This test is especially suitable for concrete mixes with aggregates up to one and a half inches in size.

The setup uses specialized equi...

Transcript

压实系数测试确定骨料尺寸最大为 1.5 英寸的混凝土的和易性。

测试设备由两个截断的锥形料斗组成,底部有铰链门和一个圆柱体,所有料斗按顺序堆叠,内表面抛光以减少摩擦。

混凝土被放置在顶部料斗中,无需压实,底部门打开,让混凝土流入下料斗。

接下来,打开下料斗的底门,让混凝土落入下面的圆柱体中,多余的混凝土被敲掉。

棒用于轻轻戳刺和移开在测试过程中卡在一个或两个料斗中的混凝土。

确定圆柱体设定体积中混凝土的最终重量,并计算该部分压实的密度。

完全压实的密度是通过用四层混凝土填充圆柱体并夯实每层来确定的。

最后,将压实系数计算为部分压实混凝土的密度与完全压实的混凝土密度之比,该系数表示混合料的...

Tags

Concrete WorkabilityWorkability AssessmentConcrete DensityPartially Compacted DensityFully Compacted DensityConcrete Cylinder TestHopper EquipmentConcrete Flow TestWorkability Measurement