鬆散巖層 的英文怎麼說
中文拼音 [sōngsǎnyáncéng]
鬆散巖層
英文
loose bed-
By infrared spectrum study, the limonite ( feooh nh2o ) can be considered the main colorating mineral in the yellow and red jadeite, and the hematite is another colorating mineral in the red jadeite. the difference of color tone is due to the n value in the molecular formula feooh nh2o and the content of crystal water and adsorbent water. the iron ion came from the effloresced and eroded rocks, and formed fe ( oh ) 3 colloid reacted with the surface water
周圍礦床的風化蝕變為表生水提供了鐵質,形成弱酸性的含fe ( oh ) _ 3膠體的水溶液,表生水流經翡翠礦石時, fe ( oh ) _ 3膠體附著在巖石的表面,經過脫水結晶和吸附,形成褐鐵礦膠體,褐鐵礦膠體沿裂隙或鬆散的礦物顆粒進入翡翠巖石中,逐漸累積沉澱,形成次生色層。The major diameter filling pile drilling machine of qj250 - 1 type applies to major diameter bridge pier hole of various geologic conditions such as ravelly ground, clay loam layer, sandy gravel, breaking layer and lithosphere as well as other various major diameter pore forming construction
1型大直徑灌注樁鉆孔機適用於鬆散地層、粘泥層、砂礫層、破碎層和巖石層等多種地質條件的大直徑橋樁孔,以及其它各種大直徑成孔施工。In the various of mine exploitation sites, there are many loose debris and earth from strata
摘要各類礦山開發,都會大量擾動原始巖層,並且形成鬆散的廢棄巖土體。Because the ore has been mined for long time, the nature geological environment has been getting worse and worse, such as the baldness of mountain body, the rock is weathered to pieces, a lot of loose material distributing along the gully and its banks, the disaster of debris flow is seriowsly, and the production of the mine is constrained by debris flow disaster ; for example, a debris flow broke out on august 1999 and resulted in catastrophic hazards to the jingtieshan iron mine, resulted in a huge economic losses of 50 million yuan
鏡鐵山礦是酒鋼最主要的鐵礦石生產基地,礦區山高溝深,地質構造復雜,自然地質環境較差,在長期人為開采活動的影響下,地質自然環境進一步惡化,山體裸露,巖層破碎,大量鬆散固體物質堆積在溝道及溝道兩側,泥石流災害十分嚴重,嚴重製約了礦山的生產與發展。 1999年8月礦區黑溝南溝暴發生了嚴重的泥石流災害,致使礦山停產10多天,造成5000多萬元的經濟損失。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 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。With the rapidly development of minefield and the rapidly increase of coal output, the excavation scope and depth will extremely rise, the excavation work is under the overlying by the thin rock strata, and under the thick loose bed, the population in mine field will be more and more, the relevant basic industries will also develop rapidly. the mines will discharge more water from the underground, and the production and living will also consume more water. so the original water resource balance system in the minefield will be broken, the ecological environment formed by the nature will be destroyed in some degree
隨著礦區迅速發展而煤炭產量的快速增長,既定在薄基巖厚鬆散層下的神東煤田開采范圍和深度勢必急劇增大,相應的人口也增加,與其相匹配的其它基礎工業一併迅猛發展,導致礦井外排水和生產生活用水直線猛增,這一系列生產和生活巨量用水必然會打破礦區原始的水資源平衡體系,不同程度的破壞自然形成的脆弱的生態環境。Research on coal mining under competent loose aquifer and properties of aqniclude in yushen mining area
榆神礦區強鬆散含水層下採煤隔水巖組特性的研究Destructive study of the cover rock relating to the fully mechanized mining with caving method under ravelly ground and nappe
鬆散層及推覆體下綜放開采覆巖破壞研究Based on its special geological and mining conditions of qidong colliery, the cause of water bursting of loose aquifer in the 4th lineage in 7 ( subscript 1 ) 14 full - mechanized mining face of the first mining area was analyzed and technology method of preventing the 4th loose aquifer was discussed according to the occurrence characteristics of loose aquifer and damage characteristics of overburden rock in 7 ( subscript 1 ) coal seam
摘要根據祁東煤礦特殊的地質采礦條件,結合鬆散含水層賦存特徵及7 (下標1 )煤層覆巖破壞特點,分析了一采區7 (下標1 ) 14綜采工作面第四系鬆散含水層出水的原因,探討了防治四含水的技術途徑。The results show that ( 1 ) the unconsolidated confined aquifer plays a crucial role in load transfer because of its fluidity and replenishment in time, making the loads of overburden soil evenly transfer into the bedrock through the unconsolidated confined aquifer and the load keep constant during the excavation process ; ( 2 ) under the condition without unconsolidated confined aquifer, the load on the bedrock will be reduced sharply during the excavation
研究結果表明:鬆散承壓含水層條件下,由於承壓水的流動性和補給作用,上覆表土層的載荷通過鬆散承壓含水層均勻地作用於下部基巖上,開挖過程中基巖頂界面上的載荷基本保持恆定,鬆散承壓含水層起到均勻傳遞載荷的作用;無鬆散承壓含水層時,作用在基巖頂界面上的表土層載荷隨煤層開挖而顯著降低。With a specially designed experimental instrument, the mechanism of load transfer within an unconsolidated confined aquifer and its effect on compound breakage of key strata have been studied
摘要採用專門設計的物理模擬試驗裝置及數值模擬試驗方法,就鬆散承壓含水層的載荷傳遞機制及對覆巖關鍵層復合破斷的影響進行深入研究。Therefore, in the process of load transfer within the unconsolidated confined aquifer, the key strata of overburden rock are prone to have a compound breakage when the load on the upper interface of bedrock is great and the bedrock is very thin
在鬆散承壓含水層的載荷傳遞作用下,作用在基巖頂界面的載荷較大,當基巖厚度較薄時,采場覆巖關鍵層易產生復合破斷。Combined support of crossing point of roadway bottom slice and loose rock stratum with rockbolt net and bamboo curtain
底分層及鬆散巖層巷道交叉點錨網竹笆聯合支護的研究Based on the mechanism of the effect of unconsolidated confined aquifer on the compound breakage of key strata, the fully mechanized support crushing accidents taking place during coal mining under the unconsolidated confined aquifer and thin bedrock in some collieries of east china have been well explained
基於鬆散承壓含水層對薄基巖采場關鍵層復合破斷影響機制,很好地解釋華東礦區部分礦井在鬆散承壓含水層與薄基巖的特殊條件下采場發生壓架事故的原因。This paper sums up present and history karst collapse in tai ’ an, shandong province. it mainly spreads in the quaternary system cover areas where the looser layers are thinner, underlying open karst caves and cracks are under the quaternary system
本文分析了山東省泰安市巖溶地面塌陷的形成歷史及現狀,從地下水動態及地質環境監測結果入手,研究得出塌陷主要分佈在鬆散層較薄的第四系覆蓋區,發生時間主要集中於枯水年份或年內枯水期和豐水期初。Drilling technology, drilling fluid formulae, coring technology, use of drilling pipe and prevention and treatment of hole accidents used in drilling in in - situ leaching uranium deposit are presented and concluded in this paper
摘要總結介紹了松遼盆地可地浸砂巖鈾礦鉆探的施工工藝,沖洗液配製及管理,可地浸砂巖鈾礦鉆探的目的層鬆散砂體的取心技術和退心技術,鉆探管材的使用及孔內事故的預防與處理。分享友人