1) rise entry uncovering coal
上山揭煤
2) uncovering coal
揭煤
1.
When advancing and uncovering coal in roadway, better construction method is vibration shot, metal framework, borehole bleed-off and hydraulic hole, of which vibration shot is principal.
井巷掘进揭煤时,较好的施工方法是震动放炮,金属骨架,钻孔排放和水力冲孔,尤以震动放炮为主。
3) cutting through coal seam
揭煤
1.
Using all coal digging methods as a reference,synthetical cutting through coal seam measure is designed.
根据对新寨隧道地质勘测得到的煤系地层煤与瓦斯的各项物理力学参数,对煤与瓦斯的突出危险性进行了评价,并借鉴国内外揭煤施工的各种方法,设计了综合揭煤措施,对高瓦斯隧道煤系地层进行安全施工。
2.
In this article,the situation of cutting through coal seam in the main and auxiliary mine shaft is introduced,then the main factors of natural distressed zone formation are proposed,finally, the main reasons for cutting through coal seam outburst in the auxiliary mine shaft are also analyzed.
文章通过对孟津煤矿主、副井揭煤情况介绍,阐述了形成自然卸压区的主要影响因素,分析了孟津煤矿副井揭煤发生突出的主要原因。
4) seam opening
揭煤
1.
According to the shortage of the conventional seam opening methods and in combined with the actual problems of the seam opening outburst in Panbei Mine,base on the detail analysis on the outburst control measures at home and abroad and with the optimized borehole design,an rational outburst control result was obtained.
针对传统揭煤方法的不足,结合潘北矿揭煤突出的实际问题,在仔细分析国内外关于消突措施的基础上,通过优化钻孔设计,取得了理想的消突效果;并采取了切实可行的远距离爆破措施,使井筒安全快速揭过突出煤层。
5) pillars for protecting rises
上山煤柱
6) coal rise
煤层上山
补充资料:标准煤(见煤当量)
标准煤(见煤当量)
standard coal
、~‘~1人、4《1工兀飞coal)见煤当等
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