煤田地质与勘探Issue(3)：68-73,6.DOI:10.3969/j.issn.1001-1986.2014.03.016
岩石点荷载强度与单轴抗压强度线性关系试验
Linear relationship between point load strength and uniaxial compressive strength of rock
和卢斌 1付志亮 2王强 1方腾蛟 2高娜娜1
作者信息
- 1. 安徽理工大学能源与安全学院，安徽 淮南 232001
- 2. 安徽理工大学煤矿安全高效开采省部共建重点实验室，安徽 淮南 232001
- 折叠
摘要
Abstract
Self-developed point load tester and RMT-150B rock mechanics testing system were used to investigate the point load strength and uniaxial compressive strength of the rock in the roof and floor of coal seam. The results show that irregular rock point load strength basically meets the criteria of Gaussian distribution. Meanwhile, failure load of point load and failure area show a linear relationship. The different failure load areas have no influence on size and shape effect in point load test. By analyzing the relationship between point load strength and uniaxial compressive strength, empirical formula of using point load strength to quickly and accurately determine uniaxial compressive strength is obtained.关键词
点荷载强度/单轴抗压强度/不规则岩块/置信区间Key words
point load strength/uniaxial compressive strength/irregular rock block/confidence interval分类
矿业与冶金引用本文复制引用
和卢斌,付志亮,王强,方腾蛟,高娜娜..岩石点荷载强度与单轴抗压强度线性关系试验[J].煤田地质与勘探,2014,(3):68-73,6.
