index of crushing

Particular attention was paid to their water absorption、apparent density and index of crushing.

本文着重研究了四种不同类型的再生混凝土粗骨料的吸水率、表观密度和压碎指标,实验发现再生混凝土粗骨料的这些性能除受到原生混凝土强度影响外,还跟原生混凝土粗骨料级配密切相关。

SHILL contains three steps: first,crush the whole data set into a number of atom-class clusters;second,deal with isolated point;then,adopt graph-based searching technique to create clusterings.

该算法主要分为三个步骤:首先将整个数据集"压碎",生成固定数量的原子级聚类;然后处理孤立点;最后采用图搜索技术生成聚类。

21%, and the average crushing strength 18.

21%、平均压碎强度18。

The limition of the cavity expansion model in studing the kinematics in crushed zone was found.

分析了岩体爆破中采用的空腔膨胀理论在研究爆破压碎区过程中存在的缺陷及其产生的原因,在球形爆破腔膨胀条件下压碎区的应变状态类似一维平面应变。

Using the shock wave theory, the authors discnss the effect of shock wave on hole reaming and fragment area during cylindrical charge blasting.

运用冲击波理论 ,讨论了柱状药包爆破时冲击波对炮孔的扩腔作用和形成的压碎圈大小 ,分析结果表明 ,影响压碎圈半径的主要因素是炮孔尺寸、炸药性质和岩石性质 ,冲击波的扩腔作用主要与炮孔直径和压缩圈半径有关。

Proportional load,crush load,total deformation and non-proportional deformation were measured as evaluating indicators through load-displacement curve in the single steel ball crush experiment.

用单个钢球进行压碎试验,在记录的载荷-位移曲线上测出比例载荷、压碎载荷以及总变形量和非比例变形量4个指标。