頂板巖層 的英文怎麼說
中文拼音 [dǐngbǎnyáncéng]
頂板巖層
英文
roof strata-
Sedimentary control of coalbed methane in this region were expounded according to the control and influence of sedimentation on coal gathering action ( thickness of coal reservoirs, distributing and coal - bearing characteristics ), on forming and distributing, maceral, organic facies and coalfacies, cap formation types and their sealing capability of adjoining rock
根據沉積作用對聚煤作用(煤儲層的厚度、分佈及含煤性特徵) ,對煤儲層的形成與展布、煤巖組成、有機相和煤相、頂底板蓋層類型與封蓋性能的控制和影響,討論了沉積作用的控氣特徵。Control design of roof rocks for gob - side entry
沿空留巷頂板巖層控制設計Main factors and mechanics influencing water inrush from roof snadstone
影響徐州礦區煤層頂板砂巖涌水的主要因素及機理The anchorage force of bolt, the displacement of deep surrounding rock, and the surface displacement of the gateway were comprehensively observed, indicating that the testing entry affected by dynamical mining pressure still keeps stable, achieving a good supporting effect
錨桿受力、圍巖深部位移、頂板離層及巷道表面位移綜合觀測表明,受回採動壓影響后,試驗巷道穩定,支護效果好。According to roof safety factor of 1. 2 for the mined - out area, minimum safety roof thickness at different rock in various span mined - out area was calculated by flac software, which transfixion of plastic zone was taken as criteria of roof breakage by using strength reduction technology and dichotomy theory
摘要利用強度折減技術和二分法原理,以塑性區的貫通作為頂板破壞的標準,當采空區頂板的安全系數等於1 . 2時,利用flac軟體計算得出各種跨度空區在不同巖層中的最小安全頂板厚度。Through analyzing on the different phenomena of gas pouring amount at different coal seam, different area at the same seam, different position at the same area, the coal thicknss, inclined angle, structure, roof and floor rock character and water content in coal est. geology factor are regarded as the main reason of effecting the gas pouring amount
通過對不同煤層,同一煤層不同區域,同一區域不同地點瓦斯湧出量有很大差異現象的分析,認為煤層厚度、傾角、構造、頂底板巖性、煤中水分等地質因素是影響瓦斯湧出大小的主要原因。Guided with the theories of plate tectonics and complex hydrocarbon system, based on the analysis of geological factors of hydrocarbon pools in the northern area of tarim basin, the author puts forward the geological background favorable for and the possible areas most suitable for the formation of complex traps. the identification and description of complex traps lead to the recognization of five large and four middle or small complex traps, by the means of the main techniques and methods include the detailed interpretation of seismic profiles, drilling, logging, map compiling based on the depth of sealing surface and on the superimposed relation of stratigraphic lithology over and beneath the unconformity surfaces, and the the use of the reversion of jason and 3d coherent data. at the same time, the major controlling factors of complex trap oil pool have been analyzed based on the case study of typical oil pools in the paper
目前,復合圈閉勘探及研究工作在我國還比較薄弱,本文以板塊構造學、復式含油氣系統等理論為指導,通過對塔北地區石油地質特徵的整體解剖,從動態的角度,綜合分析和探索了塔北地區復合圈閉形成的地質背景及發育的有利區帶和領域,根據鉆、測井及地震剖面精細解釋成果,採用封閉面編圖、不整合面頂底板地層巖性疊置關系編圖方法和jason及三維相干數據體等地球物理反演技術,發現大型復合圈閉顯示2個,中小型復合圈閉4個,復查落實大型復合圈閉3個,並通過典型油氣藏解剖,分析了塔北地區復合圈閉成藏主控因素分析。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。Through inversion analyzing the results of inspection and observation which was applied the multipoint displacement measures and the drilling anchor stress measures to the top surface in the xianggui gypsummine eastern workings, this article will attempt to propose the deformation law of stope terrane after the underwater mine area, which provided a reliable basis for taking measures to control the strata movement
摘要為了研究湘桂石膏礦的巖體變形規律,對該礦東采區頂板巖孔多點位移計觀測和鉆孔錨桿應力計檢測的結果進行綜合反演分析,提出了水下礦區開挖后采場巖層的變形規律,為採取有效措施控制巖層移動提供了依據。In order to optimize the parameters of running top coal under different coal and gangue fragmental size, on the basis of measuring and analyzing the distribution character of top - coal fragmental size, running top coal was studied for the coal seam with dead - unconsolidated thin sandstone roof by loose medium model experiment
摘要為了優化不同煤矸塊度條件下的放煤工藝參數,在實測分析頂煤破斷塊度分佈特點的基礎上,採用散體模型試驗的方法對煤層頂板為極鬆散細砂巖條件下的放煤工藝進行了研究。Experimental study on mechanical character of sandstone of the upper plank of coal bed under high temperature
煤層頂板砂巖高溫狀態下力學特徵試驗研究On the basis of analyzing the geology conditions of qidong well field, using the rfpa2d analysis system, we have carried on the finite element analysis to the adjustment process of stress field and the damage evolution of the coal bed roof which was caused by coal bed mining
摘要在分析祁東井田地質條件基礎上,利用rfpa2d分析系統對不同地應力條件下,由於煤層開采引起煤層頂板覆巖發生的損傷演化和應力場調整的過程進行了有限元分析。Study on the zone with rich water of the roof rock of 3rd coal seam in xinglongzhuang mine
興隆莊煤礦3煤頂板巖層富水性分區Research on rationally arranging position of horizontal boreholes in roof rock stratum
頂板巖層水平長鉆孔合理布孔層位的研究The development and application of new - type detector of roadway roof strata structure
新型巷道頂板巖層結構探測儀的研製和應用Therefore, the abnormal strata behavior happened in the advance entry is the result of common action of 3 ( superscript # ) and 2 ( superscript # ) roofs
1303綜放工作面超前平巷發生的奇異壓力現象是3 (上標# )頂板和2 (上標# )頂板巖層共同來壓作用的結果。Because the upper rocks are influenced after the mining lower coal, they glide along the primary bursting surface, and the upper rock layers can form surface - contact fabric by its shear and bulge function
作者認為,下煤層開采後上覆頂板巖層受到二次擾動,其破壞移動主要是沿原有破裂面滑移,由於剪脹的作用,上覆巖層能夠形成面接觸的覆巖基本結構特徵。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。Study on the influence laws of side pressure coefficient on roof failure of roadway in alternating stratified soft roof rock
側壓系數對巷道軟弱互層頂板巖體破壞影響規律研究The underground tests show that the deformation and roof delamination of roadway surrounding rock can be effectively reduced by means of great increase of the bolt pretensioned stress, the steel strip plays an important role in the rock bolting system, and there exsits a critical value for pretensioned stress, up to or beyond which the rock bolting can effectively control the deformation and damage of the surrounding rock
井下試驗表明,大幅度提高錨桿預應力可顯著減小巷道圍巖變形,有效控制頂板離層;鋼帶在預應力支護系統中起非常重要的作用;錨桿預應力存在臨界值,達到或超過臨界值后錨桿支護可有效控制圍巖變形與破壞。分享友人