煤岩视密度简易测定方法

doi:10.14139/j.cnki.cn22-1228.2022.05.005

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摘要

煤岩物理力学性质可为工程地质评价、工程建筑物设计以及岩石力学相关科研工作提供依据，煤岩视密度的大小可以反映煤岩体力学性质的优劣。通过将煤岩块放置于盛有液体石蜡的量筒中，根据量筒液面的变化，确定煤岩块的体积，再根据密度基本公式（质量除以体积）得到煤岩体视密度。该方法相较于蜡封法操作简便、快速，通过对两种煤岩块视密度测定结果进行Ｔ检验，得出两种方法测得视密度结果没有明显差异。煤岩视密度简易测定方法可以代替蜡封法，用于煤岩块视密度的快速测定。

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	韩　森
	许石青
	杨　宇
	卯　松

关键词: 煤岩视密度液体石蜡简易测试Ｔ检验

Abstract:

The physical and mechanical properties of coal and rock can provide basis for engineering geologicalevaluation,engineering building design and rock mechanics related scientific research.The apparent density ofcoal and rock can reflect the merits and demerits of mechanical properties of coal and rock.By placing coalblocks in a measuring cylinder filled with liquid paraffin ,the volume of coal blocks is determined according tothe change of liquid level in the measuring cylinder, and then the apparent density of coal and rock mass isobtained according to the basic density formula( mass divided by volume).Compared with wax sealing method.this method is simple and fast.Through T-test on the apparent density measurement results of two kinds of coaand rock blocks.it is concluded that there is no significant difference between the apparent density measuredby two methods.The simple determination method of apparent density of coal rock can replace the wax sealmethod and be used for the rapid determination of apparent density of coal rock.

Key words: apparent density of coal and rock liquid paraffin simple test T-test

出版日期: 2022-10-25 发布日期: 2022-10-25 整期出版日期: 2022-10-25

ZTFLH:

Ｏ４?３３

引用本文:

韩　森, 许石青, 杨　宇, 卯　松. 煤岩视密度简易测定方法 [J]. 大学物理实验, 2022, 35(5): 21-24.
HAN Sen, XU Shiqing, YANG Yu, MAO Song. Simple Method for Determination of Apparent Densityof Coal and Rock . Physical Experiment of College, 2022, 35(5): 21-24.

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http://dawushiyan.jlict.edu.cn/CN/10.14139/j.cnki.cn22-1228.2022.05.005 或 http://dawushiyan.jlict.edu.cn/CN/Y2022/V35/I5/21

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