coarse paper

The paper mainly introduced the application technology of the pumping high strength concrete ( C60) which takes crushed gravel as coarse aggregate with big fluidity.

本文着重介绍采用以破碎卵石为粗骨料配制大流动性泵送C60混凝土技术应用。

The paper introduces the preparation equipment of coarse DIP, including bale wire cutter, braker, leveling wheel, radiometric scale, drum pulper and combined sorter.

本文对脱墨用粗浆的制备设备作了简要的介绍，包括剪铁线机、散包机、匀纸辊、称重装置、碎浆机及复合筛。

Experiment steps as following: At first, this paper has studied aggregate gradation to ensure which kind of coarse aggregates to contribute more for high temperature stability.

试验按照如下过程进行：首先对骨料级配进行探索，为了能确定哪一级粗集料对高温稳定性贡献较大。