淺層開采 的英文怎麼說
中文拼音 [jiāncéngkāicǎi]
淺層開采
英文
shallow pay producing-
In order to control the land subsidence, adjusting three dimensional exploitive positions and moderately utilizing the leakage recharge from its upper shallow groundwater play a key role in realizing the sustainable development of deep groundwater resources in this area
在控制地面沉降的條件下,深層地下水持續利用的對策是調整開采三維布局,適度開發利用淺層地下水對深層地下水的越流補給。The over - exploited deep confined water, which is replenished by surface water and phreatic water, is also polluted
由於大規模開采,深層承壓水受到地表水和淺層地下水的補給,水質也有污染。An active measure for ground subsidence control is to move the exploited horizon upward to shallow area and make it close to the recharge and discharge area of groundwater
控制地面沉降的一個積極措施是將開采層位上移至淺層,使其接近地下水的補給區和排泄區。Are about 12 billion tons. the main types of coal are coking coal, gas bituminous coal, lean coal and anthracite, etc. xiangning coal field is one of the three biggest metallurgical coal bases of the whole country, with the characteristics of thick bed,
首屈一指的煤炭資源,儲藏面積1 . 54萬平方公里,占總面積的5 % ,總儲量960億噸,探明儲量120億噸,主要煤種有主焦煤氣肥煤貧肥煤瘦煤無煙煤等,其中鄉寧主焦煤為全國三大主焦煤基地之一,而且煤層厚埋藏淺易開采。Surface movement wreck characteristic of mining under thick conglomerate
淺談巨厚礫巖層下開采時地表移動破壞特徵Study on roof control in shallow seam longwall mining
淺埋煤層長壁開采頂板控制研究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In accordance with the occurrence behavior of roof strata and the fracture characteristics of key stratum in shallow seam longwall mining, studied post - buckling behavior of roof key stratum in the process of mining by using initial post - buckling theory, which derived a critical load and a breaking span of the main roof during the first weighting, determined the final subsidence and the maximum rotation angle for broken key stratum, and presented an application with the example of daliuta 1203 face
摘要根據淺埋煤層頂板巖層的賦存特點和長壁開采時關鍵層的變形破斷特徵,應用初始后屈曲理論探討了開采過程中頂板關鍵層的后屈曲性態,得出了老頂初次來壓時頂板的臨界載荷和破斷步距,確定了頂板破斷后的極限下沉量和回轉角,並以神東礦區大柳塔1203工作面為例給出了工程實例。Study on three strap in water resouces preservation in yu - shu - wan shallow seam mining
榆樹灣淺埋煤層保水開采三帶發展規律研究Technology of mining without pillar for level entry in much thicker inclined coal seam
淺談特厚易燃煤層水平布置巷道無煤柱開采技術Working resistance and safety margin of long - wall support in shallow coal bed
淺埋煤層長壁開采支架阻力及安全界限An approach to recovery law of gas reservoir in gudao oil province
孤島油區淺層氣藏開采規律淺析The potential for water - saving can be exploited rationally by the measures, such as engineering measure, adjustment of crop planting structure, exploitation of shallow groundwater, improvement of the surface irrigation manner, development of advanced irrigation technology and improvement of water - saving management in the irrigation area
灌區節水潛力有:採取工程措施、調整作物種植結構、開采淺層地下水、改進地面灌溉方式、發展灌水技術、提高灌區節水灌溉管理水平等。On the basis of the monitoring results of land subsidence and calculation of deep groundwater resources by using water balance method, it is shown that the leakage recharge from its upper shallow groundwater account for approximately 38. 2 %, drainage of the clay layers, about 41. 3 %, water release from the aquifers, around 5. 6 % and lateral inflow, some 14. 9 %, of the total groundwater resources
摘要根據天津平原地面沉降監測結果,採用水量均衡法,計算出深層地下水開采量中,淺層地下水越流補給量佔38 . 2 % ,粘土性壓密釋水量佔41 . 3 % ,彈性釋水量佔5 . 6 % ,側向流入量佔14 . 9 % 。The results indicate that the stability for bifurcation point equilibrium configuration and post - buckling equilibrium path of roof strata can be revealed and an effective method for determining displacement field of imperfection structure can be provided by using initial post - buckling theory
應用初始后屈曲理論可揭示淺埋煤層長壁開采頂板巖層的分叉點平衡構形及后屈曲平衡路徑的穩定性,是確定非完善結構位移場的一種有效方法。Testing study on 3d similar material simulation for shallow coal seam mining
淺埋煤層開采三維相似材料模擬實驗研究Simulation on overlying strata ' s motion rule in shallow seam slice mining
淺埋厚煤層分層開采覆巖移動規律模擬研究Numerical analysis on movement rule of overlying strata of shallow coal seam covered with thin bedrock
淺埋煤層開采覆巖移動規律數值分析Simulating test study in shallow seam mining under thick soil of the earth ' s surface
地表厚土層淺埋煤層開采模擬實驗研究Analysis of features of rock movement and seepage mechanism for shallow - lying coal seam mining
淺埋煤層開采巖移特徵與滲水機理分析分享友人