natural stratum 中文意思是什麼
natural stratum
解釋
天然地層-
Abstract : compared with soil destroyed pattern of vertical force and its controlled factor of bearing capacity, it is concluded that pile capacity and its tip resistence have some difference when soil with the same physical mecanic property is used as natural foundation and pile tip resistent layer. whereas the middle weathering rod stratum hasn ' t this property, that is to say it has the same bearing capacity and pile tip resistence
文摘:通過豎向荷載下土（巖）體的破壞模式及其承載能力控制因素的比較，論述了物理力學性能相同的土層作為淺基礎的天然地基與樁端持力層時，承載力值與樁端阻力值應存在一定的差異；而中（微）風化程度的同一巖層作為天然地基與樁端持力層時，不具有這方面的差異性，承載力值與樁端阻力值應該相等。 -
Stops up as the natural physics leaks the material, with theunidirectional pressure inclusion reagent and the high dehydrationblocking agent reasonable allocated proportion, suits the permeablestratum, the crack stratum large and middle scale cracks guardsagainst leaks stops up leaks, especially is suitable in petroleummining
作為天然物理堵漏材料，與單向壓力封閉劑和高失水堵漏劑合理配比，適合滲透性地層、裂縫性地層大中型裂縫的防漏堵漏，尤其適用石油開采中。 -
With synthesize slope ratio increasing, the stability of cutting slopes decreases, but the stability of sharpen slope affected by natural slopes ratio changes rarely, the stability of cutting slope that height is 30m is change notably due to slope type, whose single slope ratio with madao is inferior to the slope that upper ratio is less than lower ratio with platform in middle part. but the stability of cutting slope with 50m height is little change with the slope type change. with same stratum, slope height, slope type, the cutting slope is inferior to the sharpen slope in stability
結果表明，地層含水量在12 . 0 18 . 0變化范圍內，各種挖方邊坡穩定性均隨濕度的增大而顯著降低；路塹邊坡的穩定性隨綜合坡比的增大而降低，但削坡受自然坡比影響，隨綜合坡比的增大其穩定性基本不變；坡高30m的路塹邊坡穩定性因坡型改變而有明顯變化，且單一坡比多級馬道型邊坡的穩定性較上緩下陡平臺型邊坡的穩定性差，但坡高50m的路塹邊坡穩定性因坡型變化而基本不變；當坡高、坡型、地層條件相同時，路塹邊坡的穩定性較削坡的穩定性差。 -
As for its characteristics, it is regional, ethic, stratum and institutional from a macroscopic view ; from a meso - scopic view, it is featured by the adverse ecological environment, the frail infrastructure, the low - level and unitary economic structure, the low - level cultural life and the natural, semi - natured and planned economy ; from a microscopic view, it ' s featured by possessing capital, especially human capital ' s insufficiency and inability
其特徵從宏觀上講，主要體現為區域性、民族性、階層性和制度性；從中觀上講，主要表現為社區上的生態環境的惡劣性、基礎設施上的薄弱性。經濟結構上的低層次性和單一性。社會特徵上的文化生活水平的低層次性，以及體制上的自然、半自然經濟和計劃經濟特徵；從微觀上，主要表現為擁有資本，尤其是人力資本不足以及能力貧困。 -
Recently, natural gas was discovered gradually in majing cretaceous, which displayed shallow stratum have the large exploration and development potentialities. these emphasize the comprehensive research in natural gas of shallow stratum. and this research is very necessary to know the gas - bearing condition and exploration prospect in the western of sichuan district
近年來，馬井白堊系中相繼發現天然氣藏，表明了淺部地層巨大的勘探開發潛力，加強淺層天然氣的綜合研究勢在必行，亟需搞清楚川西地區淺部地層的含氣狀況，勘探前景。 -
On the basis of on - the - spot investigation and information, this article puts forward the stratum separation scheme and field criterion for projects in gansu loess areas ; presents the geological structure model of the natural slope in this area for the first time ; counts and analyses the parameter of the loess ; analyses the stability of loess cut with the method of ultimate balance and finite element ; recommends different transect forms for the cut subgrade in gansu ' s loess areas ; evaluates these forms with grey system theory concerning stability, economy and anti - scour capability ; finally, puts forward the design method and procedures of reasonable heavy cuts transect
本文通過大量的現場調查和資料收集，提出了甘肅省黃土工程地層劃分方案和野外判定標準；首次提出了甘肅省黃土自然邊坡的不同地質結構模型；統計和分析了甘肅省黃土的土性參數；運用極限平衡法和有限元法對黃土路塹高邊坡穩定性進行了分析；推薦了甘肅省不同黃土地區路塹高邊坡的斷面形式，並結合穩定性、經濟性和抗沖刷性能，應用灰色系統理論對其進行評價；最後，提出了黃土路塹高邊坡合理斷面設計方法和設計步驟。
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