1) air sealing in entry retained at gob-side
沿空巷道隔风
2) roadway along gob area
沿空巷道
1.
Study on depressurizing control of the surrounding rock of a roadway along gob area in sub-level caving mining;
综放沿空巷道围岩卸压控制研究
3) gob-side entry
沿空巷道
1.
Analysis on shearing deformation of bolt in sidewall of gob-side entry for fully mechanized top coal caving mining face;
综放沿空巷道帮锚杆剪切变形分析
2.
Coupling support technology for gob-side entry at depth in Nantun Coal Mine;
南屯煤矿深部沿空巷道耦合支护技术
3.
Aimed at the severe deformation of surrounding rock of gob-side entry on insular face or the unstable of small coal pillar induced by dynamic pressure in mining,the stability of the gob-side entry with small coal pillar on insular face was studied by numerical calculation,physical simulation experiment and in-situ test.
针对煤矿孤岛面沿空巷道在采矿动压的作用下巷道围岩出现大变形或小煤柱失稳的现象,通过数值计算、物理模拟实验、现场工业性试验等方法对孤岛面小煤柱沿空巷道稳定性进行了系统的研究。
4) coal gates close to gob
沿空巷道
1.
This paper introduces the performance of Marison and the crafts and technological parameter of using the chemical starch injection technology to consolidate the coal pillars in coal gates close to gob and shows that using Marison consolidation technology not only has a simple construction process but also is safe and defendable,fast and efficient,and has broad application prospects.
介绍了马丽散性能及其在沿空巷道中使用马丽散注浆加固煤柱的工艺和技术参数。
5) fully-mechanized caving roadway
综放沿空巷道
1.
Study by udec simulation of fully-mechanized caving roadway surrounding rock system;
综放沿空巷道围岩系统稳定性的UDEC模拟分析
2.
The roof and side of fully-mechanized caving roadway are coal body or coal pillar which cause the stability problem extremely prominent.
以南屯煤矿综放沿空巷道为原型,进行围岩稳定性的离散元数值模拟,提取表征系统动力学性态的变量及时间序列,通过功率谱分析、分维数提取和最大Lyapunov指数计算,研究围岩系统的混沌动力学特征。
补充资料:沿涂
1.见"沿途"。
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