露天開溝 的英文怎麼說
中文拼音 [lòutiānkāigōu]
露天開溝
英文
surface cut-
Mining practice of residual ore body for open pit slope of shirengou iron mine
石人溝鐵礦露天邊幫殘留礦體開采實踐Because the ore has been mined for long time, the nature geological environment has been getting worse and worse, such as the baldness of mountain body, the rock is weathered to pieces, a lot of loose material distributing along the gully and its banks, the disaster of debris flow is seriowsly, and the production of the mine is constrained by debris flow disaster ; for example, a debris flow broke out on august 1999 and resulted in catastrophic hazards to the jingtieshan iron mine, resulted in a huge economic losses of 50 million yuan
鏡鐵山礦是酒鋼最主要的鐵礦石生產基地，礦區山高溝深，地質構造復雜，自然地質環境較差，在長期人為開采活動的影響下，地質自然環境進一步惡化，山體裸露，巖層破碎，大量鬆散固體物質堆積在溝道及溝道兩側，泥石流災害十分嚴重，嚴重製約了礦山的生產與發展。 1999年8月礦區黑溝南溝暴發生了嚴重的泥石流災害，致使礦山停產10多天，造成5000多萬元的經濟損失。Difficulties and countermeasures of shirengou iron ore mine during conversion from an open pit to an underground mine
石人溝鐵礦露天轉地下開采中的難點及對策Discussion on problems in construction during conversion from open cast to underground mining of shirengou iron mine
石人溝鐵礦露天轉地下開采施工中的問題探討Study on stability of middle room pillars in southern room shi rengou iron mine in transition from surface to underground
石人溝鐵礦露天轉地下開采南區房間礦柱穩定性By using subarea - subsection mining method, multi - channel layout program, heidaigou open - pit coal mine has overcomed the technological continuity problems appearing in bench combination and has fully improved the capacity of existing equipments, so that the transportation distance has been reduced and enormous economic benefits have been gained
在此過程中，黑岱溝露天煤礦通過分區分段開采、多通道布置等方案，克服了並段臺階工藝接續過程中出現的問題，最大限度的增加現有設備生產能力，減少運距，創造了巨大的經濟效益。分享友人