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- A FEM NTA coupling model is set up for simulation of mining conditions at great mining height with an overlying rocks of low tensile strength. 建立了大采高工作面支架系统可靠性的计算模型,通过系统可靠性参数的分析,提出了提高支架系统可靠性的途径。
- FEM NTA coupling model is set up for simulation of mining conditions at great mining height with an overlying rocks of low tensile strength. 在重点模拟大采高条件下覆岩低抗拉特性的基础上,建立了“大采高FEM-NTA耦合模型”。
- The high mining height hydraulic support is designed for the special geologic condition of Shangwan Coal Mine,such as shallow buried depth,thin bed rock and thick aeolian sand. 大采高液压支架是针对上湾矿煤层浅埋深、薄基岩、厚风积沙等特定地质条件而研制的一种高性能综采液压支架。
- And the results show that with the increase of mining height, the surface subsidence and horizontal movement value increase, while the subsidence factor decreases in nonlinear. 结果表明:在采深和采出率等条件相同的情况下,地表下沉值和水平移动值均随采厚的增加而增大,而下沉系数随采厚的增加以非线性关系逐渐减少。
- Because the increase of mining height in fully-mechinzed coal winning caving roof,it brings convenient and both brings the changing of rock rationlations. 大采高综放工作面由于机采高度的加大,在给工作面生产带来便利的同时,也带来支架与围岩关系的变化。
- The results indicate that the main factor influencing the capacity matching of the conveyors in front and behind is the ratio of mining height to caving height. 指出了影响综放工作面前后部刮板输送机能力匹配的主要因素是采放高度比;
- The paper introduces roof control methods of goaf of large mining height fully-mechanized face by artificial forced caving with deep-hole blasting at seam 14 of Silaogou Mine and analyzes the effect. 介绍大同煤矿集团公司四老沟矿14%23层404盘区8402大采高综采工作面人工强制深孔爆破处理采空区顶板的技术,并对其效果进行了分析。
- Keywords large mining height;support;downslide; 大采高;支架;下滑;
- fully mechanized coal mining with big mining height 大采高综采
- fully mechanized mining with great mining height 大采高综采
- I think your plans will chime in with mine. 我想你的计划会同我的相吻合。
- large mining height top - coal caving 大采高综放
- hydraulic support with large mining height 大采高液压支架
- It was a freak of mine to wear pink pajamas. 穿上粉红色睡衣是我一时的奇想。
- His opinion differs entirely from mine. 他的意见和我的完全不同。
- He went heels over head into buying mining stock. 他购买了矿业股票,做事真鲁莽。
- Success is mine if I stick it out. 只要我坚持到底成功就是我的。
- Analysis and prevention of roof fallen in great mining height face 大采高工作面顶板冒落性分析与预防
- Your name comes before mine on the list. 名单上你的名字在我之前。
- I knocked into an old friend of mine in the park. 我昨天在公园里碰见一位老朋友。
