煤堆上采样时子样点布置的探讨

为了明确在煤堆上采取煤样时采样点的布置,通过对3种典型煤堆——圆锥形、楔形和长方台形煤堆的顶、腰、底部的体积(质量)计算,得出了顶、腰、底部的体积(质量)比例,从而得到了3种典型煤堆的顶、腰、底部的子样点布置比例,对煤堆采样子样点的合理布置提供科学指导。 In order to achieve a distributing measure of subsamples in coal heap sampling,the volume(or mass)proportions of the top,middle,bottom of three kinds of coal heaps-taper,wedge,oblong heap are obtained by calculating,and the distributing proportions of subsamples of the top,middle,bottom heap are obtained respectively.The scientific directions of reasonable distributing measure of subsamples in coal heap sampling are offered