| 关键层破断前后覆岩离层裂隙当量面积计算 |
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| 引用本文： | 李树刚.关键层破断前后覆岩离层裂隙当量面积计算[J].西安科技大学学报,1999,19(4). |
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| 作者姓名： | 李树刚 |
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| 作者单位： | 西安科技学院,采矿工程系,陕西,西安,710054 |
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| 基金项目： | 国家自然科学基金!重点项目（59734090） 子项目 |
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| 摘 要： | 基于相似材料模拟实验，得出综放开采中覆岩离层裂隙变化形态，给出了关键层初次破断前后离层裂隙当量面积和当量流径的理论解。
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| 关 键 词： | 关键层 离层裂隙 当量面积 瓦斯运移 |
| 修稿时间： | 1999-06-18 |
CALCULATE THE EQUIVALENT AREA OF OVERLYING STRATA BED-SEPARATED FISSURES BEFORE AND AFTER RUPTURE OF THE KEY STRATUM |
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| LI Shu-gang.CALCULATE THE EQUIVALENT AREA OF OVERLYING STRATA BED-SEPARATED FISSURES BEFORE AND AFTER RUPTURE OF THE KEY STRATUM[J].JOurnal of XI’an University of Science and Technology,1999,19(4). |
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| Authors: | LI Shu-gang |
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| Institution: | LI Shu-gang;
(Dept.of Mining Engineering,Xi'an University of Science & Technology,Xi'an
710054,China) |
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| Abstract: | The bed separeted fissures distribution pattern is measured in the course of fully mechanized top coal caving by the similar material test.The analytic formulas of bed sparated fissures equivalent area and equivalent flow diameter are calculated both before and after initial rupture of the key stratum. |
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| Keywords: | key stratum bed separated fissures equivalent area gas delivery |
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