板巖頂板 的英文怎麼說
中文拼音 [bǎnyándǐngbǎn]
板巖頂板
英文
slate roof-
Methane drainage experimental research for the stress - relief roof stratum of working face of high gas coal seam
高瓦斯綜采面頂板覆巖卸壓抽放瓦斯試驗研究Control design of roof rocks for gob - side entry
沿空留巷頂板巖層控制設計Effect of igneous rock on the roof pressure of mining field
火成巖對采場頂板壓力分佈的影響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。Elastic mid - strength rock wool board : used for heat preservation, fireproofing and sound absorption for the building wall / roof, such as curtain wall, inner wall partition and elevator hoistway, etc
有彈性，中等強度巖棉板：適用於建築墻體/屋頂保溫、防火、吸音，如幕墻、內墻隔斷、電梯井等。The test results show that the drawing interval of 1. 5 m is helpful for controlling dead - unconsolidated thin sandstone of coal seam roof and reduce sand ratio of drawn top - coal
試驗結果表明，放煤步距採用三采一放有利於控制頂板極鬆散細砂巖，降低放出頂煤的含砂率。Surrounding rock controlling of gob - side entry under composite roof
復合頂板沿空巷道的圍巖控制效果分析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。The latest constructing machine and the newest technology were adopted to ensure that the borehole is perpendicular to the rock face of roof and that the depth of borehole and the torsional moment of the anchoring bolt meet the design requirement
採用最新錨桿施工機具及工藝，保證鉆孔垂直於頂板巖面，孔深及錨桿扭矩滿足新型機械錨桿的設計要求。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The results of numerical analysis on mined - out area indicate that the roof at mined - out areas is unstable and the rock in the roof is easy to collapse in this mine
數值分析結果表明：夾溝礦采空區的頂板是不穩定的，頂板巖體容易發生垮落事故。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。This differ with computation modal that design the foundation pier very big, bearing power too than design increment ; usage mechanics numerical analysis device with limited a logarithm of timw fitting method logt, noted the rock strength in stake tip of the borehole cast - in - place concrete pile to proceed with the structure steadiness the simulation compute to study with the fixed amount, designing for the engineering to start construction to provide for science with the spot
本研究結合現場試驗、力學數值分析和有限單元分析，對巖溶地段鉆孔灌注樁的施工工藝、荷載傳遞機理、持力層頂板厚度及嵌巖深度等方面作一些探討性研究，為該工程的設計和施工積累經驗，並為該類課題的進一步研究奠定了基礎。Thickness of supporting layer and depth of pile in the rock are two important aspects considered in pile design in karst area
巖溶地區基樁的持力層頂板厚度和嵌巖深度問題，是樁基設計時考慮的重要方面。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分享友人