1) water flowing fracture
导水裂隙
1.
The height of water flowing fractured zone is 55 m by traditional esti- mation method,so that the water can not reach sand-gravel water-bearing bed.
覆岩主关键层位置距离开采煤层较近,是导致顶板导水裂隙高度偏高和顶板异常突水的根本原因。
2) water flowing fractured zone
导水裂隙
1.
8 m;therefore,it is difficult to calculate exactly the height of water flowing fractured zone that may cause water disaster by using the known methods.
8 m),现有的导水裂隙高度计算方法不能满足水体下采煤安全评价的要求,水体下采煤存在突水隐患。
3) water conducted zone
导水裂隙带
1.
Height prediction of the water conducted zone for mining under reservoir;
水库下采煤导水裂隙带高度预测
2.
In this paper,it is applied to predict the height of water conducted zone under sub level caving method.
本文尝试将其应用于综采放顶煤条件下导水裂隙带高度的预测，结合新集矿１３０３综放工作面进行了模拟分析，根据采后覆岩应力变化特点及破坏状况确定出导水裂隙带高度。
3.
The regression equation and expectancy map of the water conducted zone in mine area were made.
在借鉴国内外覆岩破坏研究经验和分析新安煤矿水文地质条件基础上,采用FLAC 3D数值模拟、钻孔漏失量监测和井下仰孔并行网络电法CT探测技术对小浪底水库下开采覆岩破坏规律进行了分析,并获得了回归关系式和全煤厚开采导水裂隙带分布预测图,为大型水库下防治水决策提供了科学依据。
5) Water flowing fractured zone
导水裂隙带
1.
This article based on the measured datum of Water flowing fractured zone of HuaiNan PanJi&XieQiao coal mining area, which were surveyed in recent years.
根据淮南潘谢矿区最近几年导水裂隙带的实测资料,使用功能强大的数学分析软件Origin对其导水裂隙带与采厚关系进行数学回归分析,并对照现有规范中的关系通式,总结出更适合淮南矿区的预测公式,为以后淮南矿区防水煤柱的留设提供更可靠的理论依据。
2.
the height of water flowing fractured zone is a main technical parameter to design waterproof coal column and important content of waterproof work in coal mine It's research existence and development trend are discussed and a comprehensive predictive method, based on geological environment, rockmass mechnical environment and numerical simulation, is obtained in this paper.
导水裂隙带高度是设计防水煤（岩）柱尺寸的主要技术参数，是煤矿防治水工作的重要内容。
3.
The height of development and its morphology of distrbution for the water flowing fractured zone was the basis of reasonable confirmation of the mining boundary and remaining water barrier.
为了探讨覆岩离层注浆条件对导水裂隙带形态的影响,采用前端泄露式多回路注(放)水系统,应用井下仰孔分段注水法对东滩煤矿14308工作面覆岩离层带实施注浆充填条件下综采放顶煤导水裂隙带的破坏特征进行了连续探测。
6) fractured zone
导水裂隙带
1.
But the height and distribution of the fractured zone got enlarged than ever before.
但综放开采易引起导水裂隙带高度的增加和分布范围的扩大,断层的活化更容易引起顶板突水事故的发生。
补充资料：牖导
1.诱导。牖﹐通"诱"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条