[1]张天军,李树刚,陈占清.突出矿煤岩微孔隙特征及其渗透特性[J].西安科技大学学报,2008,(02):310-313.[doi:10.3969/j.issn.1672-9315.2008.02.024]
 ZHANG Tian-jun LI Shu-gang CHEN Zhan-qing.Microscopic porous characteristics and permeability of coal rocks of an outburst coal mine[J].Journal of Xi'an University of Science and Technology,2008,(02):310-313.[doi:10.3969/j.issn.1672-9315.2008.02.024]
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突出矿煤岩微孔隙特征及其渗透特性()
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西安科技大学学报[ISSN:1672-9315/CN:61-1434/N]

卷:
期数:
2008年02期
页码:
310-313
栏目:
出版日期:
2008-06-29

文章信息/Info

Title:
Microscopic porous characteristics and permeability of coal rocks of an outburst coal mine
作者:
张天军李树刚陈占清
西安科技大学,基础课部,陕西,西安,710054;西安科技大学教育部西部矿井开采及灾害防治重点实验室,陕西,西安,710054,西安科技大学,能源学院,陕西,西安,710054;西安科技大学教育部西部矿井开采及灾害防治重点实验室,陕西,西安,710054,中国矿业大学,理学院,江苏,徐州,221008
Author(s):
ZHANG Tian-jun LI Shu-gang CHEN Zhan-qing
关键词:
全应力应变 渗透率-应变方程 渗透特性
分类号:
TD713
DOI:
10.3969/j.issn.1672-9315.2008.02.024
文献标志码:
A
摘要:
从煤与瓦斯突出矿采集煤样,通过扫描电镜对其微结构和孔隙裂隙特征进行了观测.利用MTS815.02型岩石力学实验系统进行了3块标准煤样全应力应变过程的电液伺服试验,给出了主应力差、煤样渗透率、非Darcy流β因子和加速度系数与轴向应变关系曲线.研究表明:该突出矿煤样结构不均一,以粒状、网状、片状结构为主,也可见到鳞片状和压扭性结构;在煤样破坏过程中,由于围压的作用,全应力应变过程中煤样的渗透率随着应变的增大而发生变化,但其变化不很显著;非Darcy流β因子和加速度系数趋势相同,非Darcy流β因子均为负值.

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更新日期/Last Update: 2008-06-29