礦柱爆破 的英文怎麼說
中文拼音 [kuàngzhùbàopò]
礦柱爆破
英文
pillar blasting-
The application of heterogenous interface control - blasting techniques in the mining of high - level pillars at anqing copper mine
異質界面控制爆破技術在安慶銅礦高階段礦柱回採中的應用Research on cms - aided blast design for ore pillar extraction
輔助礦柱回採爆破設計研究The ground base of the newly added chute in 4 tailings reservoir at dexing copper mine is characterised by thick weathered layer, loose structure, fractured zone and landslip mass accumulation. as a result, the ground has a great subsidence and inefficient carrying capacity. in view of this, the grouting technology was adopted to reinforce the chute ground base. the on - site testing shows that the subsidence of the chute has been efficiently controlled and the carrying capacity of the ground base improved so that the stability requirement has been met
潘洛鐵礦主要使用的采礦方法是淺眼落礦的全面法和留礦全面法. 23礦體160m以上礦段上部為氧化礦和風化巖層,形成擠壓爆破和鬆散巖石覆蓋下的放礦條件.介紹了無底柱分段崩落法在該礦體開采中的應用.實際使用獲得的各項技術經濟指標還比較理想With computer imitation and laboratory physical analog as the lead and on the basis of test ore blocks and industrial blownoff - ore rock tests, study on the enlarged - structure parameters of sublevel caving in meishan iron mine was carried out, which included single tests of drilling and blasting parameters , transition sublevels and equipment complementation. the timely popularization of this enlarging structural parameter technique has greatly improved the performances of the sublevel caving mining and promoted the technological advance of underground mining
梅山鐵礦加大無底柱分段崩落法采礦結構參數研究,採用計算機模擬、實驗室物理模擬為先導,試驗礦塊、工業放出體試驗為基礎,分別進行了采場鑿巖爆破參數、過渡分段、設備配套等單項試驗,並在全礦及時進行了推廣應用,極大地改善了礦石開采過程中的各項指標,促進了地下礦山開採的技術進步。Xinji no. 3 coal mine is a steep mine. it has reached pre - results by isolating the pillar with loosen blast technology in recovery area. the recovery rate is lifted and coal loss is reduced. it is an example for the same mine
新集三礦屬急傾斜礦井,在回收區段隔離煤柱中應用松動爆破技術,達到了預期效果,提高了采區回採率,減少了煤炭損失,並為同類型礦井提供了經驗。No safety pillars shall be mined without authorization and no dangerous methods, such as water bursting, blasting and breaking through roadways, which may threaten the production safety of adjacent coal mines shall be adopted
采礦作業不得擅自開采保安煤柱,不得採用可能危及相鄰煤礦生產安全的決水、爆破、貫通巷道等危險方法。分享友人