崩落法 的英文怎麼說
中文拼音 [bēnglàfǎ]
崩落法
英文
caving mining-
An experimental study on the block caving system in fengshan copper mine
豐山銅礦自然崩落法的試驗研究Application of caving mining technology with bottom under condition of flat dipping mid - thick body and unstable rock caused the most of trench and bottom drift, located in abutment, to be destroyed and low recovery in south area, xishimen iron mine
摘要在緩傾斜中厚礦體底板巖性不穩固的條件下，採用有底柱崩落法，由於電耙道大多處于空區邊部應力集中的部位，致使塹溝及底部結構巷道破壞嚴重而使回收率極低，採用無底柱崩落卸壓則可有效解決上述難題。On the cover caving in the sublevel caving of slightly dipped thick orebody
緩傾斜厚礦體無底柱分段崩落法放頂方式探討Mining horizontal pillars with hydraulic roof propping in longwall caving method
在長壁式崩落法中用液壓支柱護頂回採水平礦柱Study on ore loss and dilution in pillarless sublevel caving based on sls system
系統的無底柱崩落法礦石損失貧化的研究Area of draw
放礦面積崩落采礦法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Improvement of short hole blasting technique
中深孔階段崩落法在新華鉬礦的應用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。Advance in chinas underground mining methods is reviewed, caving mining, open - stope mining and stoping - filling mining that reflect chinas underground mining technological level are summed up and the developmental trend of chinas underground mining methods is forcasted
回顧了建國50年來我國地下礦山采礦方法的進展，概括總結了體現我國地下采礦技術水平的崩落采礦法、空場采礦法和充填采礦法，展望了我國地下采礦方法的發展趨勢。Study on productive exploration grid of natural caving in tongkuangyu mine
銅礦峪礦自然崩落法生產探礦網度研究On this basis calculation method runoff infiltration for mining cave attain introduced
並在此基礎上探索采礦崩落區降雨逞流滲入量的計算方法。This thesis integrates the borehole collapse model with the artificial fracture and imaging well logging to get the size and direction of in - situ stress, and set up the reasonable prediction model of fracture pressure and breakout pressure for carbonate profile, by making use of the rock mechanics parameters from logging information, based on comparing the present various prediction models
本文在此綜合應用井眼崩落法、人工壓裂法和成像測井法以確定地應力的大小和方向，並在分析比較國內外各種地層破裂壓力和坍塌壓力預測模型優缺點的基礎之上，從測井資料中提取多種巖石力學參數，建立了適合於碳酸鹽巖地層的破裂壓力和坍塌壓力預測模型。Analysis of influence factors on the convergence of stoping drift in sublevel caving method without bottom structure
無底柱分段崩落法回採巷道收斂的影響因素分析Some critical issues in application of pillarless sublevel caving method
無底柱分段崩落法應進一步研究的幾個問題Prediction and control of tunnel rock burst in nonpillar sublevel caving
無底柱分段崩落法巷道巖爆預測與防治措施Abstract : this paper discussed the roadways pressure characteristics of south sublevel caving region in fengshan copper mine. by means of engineering practice and the measure results in site test, to counter the feature of roadways pressure, the supporting / reforcing technology of roadways and the controlling treatments for ground pressure is proposed in varying geological conditions
文摘:對豐山銅礦南緣無底柱崩落法采區的巷道地壓特徵進行了探討，針對其地壓顯現特點，結合工程實踐和現場實驗測量的結果，提出了不同地質條件下巷道的支護加固方案和地壓控制措施。The method to determining optimal structure parameter of non - pillar sublevel caving
無底柱分段崩落法最佳結構參數的確定方法Research on the influence of structural parameters of sublevel caving on ore drawing results
無底柱分段崩落法結構參數對礦石回收指標的影響研究Based on the analysis of the evolution of the structural parameters of non - pillar sublevel caving of mines both in and outside china, it is pointed out that increasing continuously the sublevel height is not suitable for application in china because of the limitation of various factors while increasing the access space is the main way to reduce the amount of developing work, reduce the mining cost and increase the one - time caved ore amount so as to raise the mining strength and the labour production rate
分析了國內外礦山無底柱分段崩落法結構參數演變過程后指出，繼續增大分段高度由於諸多因素的限制，在我國並不適宜推廣應用，而增大進路間距卻是減少採準工程量、降低采礦成本、增大一次崩礦量、提高采礦強度和勞動生產率的主要途徑。分享友人