soil stratum 中文意思是什麼

soil stratum 解釋
土層
  • soil : n 1 泥土,土壤;土質。2 土地,國土。3 滋生地,溫床。4 農業生活,務農。n 1 臟東西,污物,污穢,污...
  • stratum : n. (pl. -ta)1. 地層;層。2. 階層。
  1. By the large quantity of indoor and field soil mechanics test, this paper investigated physics and mechanics property of xigeda stratum and xigeda compounding filling, profoundly and systematically studied on shearing strength, cbr ( including indoor cbr and field cbr ) and intensity feature of xigeda compounding filling. the new achievement and cognition as follows : ( 1 ) cbr value is decided by moisture content and mudstone content of xigeda compounding filling. the filling material can satisfy minimum intensity standard of express highway when mudstone content is less than some fixed value, ( 2 ) this paper established field cbr standard value which can synthetically evaluate the filling material nature and field compaction degree. ( 3 ) the optimal compacting mean of xigeda compounding filling is hard oscillation first and weak oscillation later, not traditional way which is weak oscillation first and hard oscillation later. ( 4 ) this paper put forward the conception of optimum moisture content in construction different from optimum moisture content of indoor impaction

    本文以昔格達填料強度特徵為研究對象,通過大量的室內及現場試驗,從昔格達地層巖組的物理力學性質、昔格達填料的物理性質入手,對昔格達填料的抗剪強度、室內承載比及現場承載比特徵進行了較系統地研究,獲得了如下認識及進展:昔格達混合填料承載比值受填料含水量及其中泥巖含量的影響,當泥巖含量小於一定值時,昔格達混合填料具有較高的承載比值,能夠滿足高速公路對填料的最低強度要求;建立了綜合評判昔格達填料性能及現場壓實效果的現場承載比( cbr )標準;對于昔格達填料而言,最佳的碾壓方式為先強振后弱振而不是傳統的先弱振后強振;提出了與室內擊實最優含水量相區別的施工最佳含水量的概念。
  2. The penetration test study the disturbance of soil in difference location. by using finite element method, the paper study the stratum movement and the earth surface deformation caused by pipe jacking, analysis the construction parameter such as head pressure, deflexion, friction force impact on earth surface deformation, give the distributing rule and range of additional soil pressure in soil

    採用有限元計算分析的方法,對頂管施工引起的地層運動及地表位移進行研究,分析了機頭土壓力、機頭偏斜、摩阻力等不同施工參數對地表變形的影響以及附加應力在土中的分佈規律和影響范圍。
  3. The agricultural activities change their vertical distributions in the soil profile, and improve the richness and abundance of macro - arthropods in the lower soil stratum especially in july

    研究區共捕獲大型土壤節肢動物2357隻,分別隸屬于節肢動物門5綱9目70科。
  4. However, along with the increasing of construction quantity of the infrastructure of irrigation works, traffic, communication etc., newer and higher requirement of geotechnical anchoring are made in slope, major dam, bridge, tunnel, deep foundation ditch engineering and the construction engineering such as anti - capsize, anti - float, anti - slippage engineering of the buildings. for example, self - intension of rock and soil is required to exploit better ; carrying capacity of anchor increase according to anchoring length ; anchor should be sufficiently lasting and should not influence the exploitation of adjoining stratum

    但另一方面,隨著我國水利、交通、通訊等基礎設施建設力度的加大,邊坡、大壩、橋梁、隧洞、深基坑以及建築結構物的抗傾倒、抗浮力、抗滑移等建設工程將對巖土錨固提出一些新的和更高的要求:如要求進一步調用巖土體的自身強度,錨桿應具有足夠的耐久性,錨桿的使用應不影響周邊地層的開發等。
  5. Novak layer method is introduced to obtain the vertical dynamic impedances of both an end - bearing pile and a floating pile in a homogenous stratum. and the vertical dynamic impedances of single pile are analyzed in homogenous elastic soil, inhomogenous viscoelastic soil homogenous viscoelastic soil. at the same time, the factors to influence the impedances of single pile are examined

    本論文採用novak薄層法,推導了在均質地基中,端承單樁和摩擦單樁的動阻抗;並全面分析和對比了均質彈性、均質粘彈性和非均質粘彈性地基模型中的單樁的動力阻抗,考察了各種因素對單樁動力阻抗的影響程度。
  6. To discuss the feasibility of applying this technique into the practice of engineering, this paper references the real project of the running tunnel from great showplace to scientific house in shenzhen metro, uses the geotechnical centrifuge of southwest jiaotong university, then researches the settlement of the ground and the influence on the pipeline underground in stratum with abundant water by the technique of undraining spin - spay pile, at last draws a conclusion about the principle of the ground settlement with the construction method of excavating soil rich in water without dewatering at shenzhen metro

    為了探討離心模型試驗技術這一研究手段在地下工程中應用的可行性,結合地質、水文、結構較為復雜的深圳地鐵大科區間暗挖施工sk3 + 355斷面的具體實例,應用我校新近建成的100gt土工離心試驗機,採用離心模型試驗技術對在富水地層應用水平旋噴樁工藝進行控制降水施工對地表沉降變形及地下管線的影響進行了研究。
  7. Abstract : in this article, starting from solute s transport a nd diffusion equati on, aiming at the saturation state of liquid in homogeneous soil of impermeable stratum and on the condition that lots of saturated solute ( e. g. nutriment ) on t op of the soil maintain diffusion, a strict mathematical deduction is carried ou t, and the analytical solution of solute s concentration distribution in homogeneous s o il is given

    文摘:從溶質輸移擴散方程出發,針對強透水層上均質土壤的液體飽和狀態,在頂層含有大量飽和溶質(如養分等)維持著滲透擴散的條件下,進行嚴密的數學推證,給出均質土壤中溶質濃度分佈的解析解。
  8. In gravel stratum, the method combined soil nails and anchor pile is adopted in deep foundation pit bracing, it can obviously cut down engineering cost, raise efficiency and shorten construction period

    在卵礫石地層中,採用土釘和錨桿樁聯合支護技術進行深基坑支護,節省工程投資,提高工效,縮短施工工期。
  9. She was, for one thing, physically and mentally suited among these new surroundings. the sapling which had rooted down to a poisonous stratum on the spot of its sowing had been transplanted to a deeper soil

    她像一棵幼樹,在原先栽種的地方,已經把根扎進了有毒的土層里,而現在已經被移植到深厚的土壤里了。
  10. 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。
  11. This kind of instability bulk movement is induced by wave cyclic loading, as a result the slope of bottom bed decrease, water depth increase, and instability bulk movement has the character of subregion, regularity and head erosion, thus it will influence evolvement of region of interest landform, and change flow field and bottom stratum condition continually, so will lead to dynamic influence on structure foundation soil

    這種不穩定塊體運動由波浪循環荷載誘發,其結果使底床整體坡度減緩,水深加大,而且不穩定的塊體運動具有小區域、多發性和溯源侵蝕的特點,將繼續影響著海域以後的水深地形的發展演化,並不斷改變著該區的流場與底床地層條件,對構築物地基土的穩定性產生著動態的影響。
  12. According to the special stratum condition 、 soil parameter 、 pile frame system in the protecting landslide of hongtian jianfeng in yongan city in fujian province, compile a fem program of plane strain and analyze the interaction by nonlinear fem on intensity discount. in the program, duncan - chang model is applied to earth, elasticity model is applied to pile and rock ; goodman element is set between pile and rock - earth and applied to simulate sliding plane and flexible floor ; sequential pole elements with original stress are applied to anchor cable

    在程序中土體採用了duncan - chang雙曲線本構模型,樁和錨固層以下的巖體採用了線彈性本構模型,並且在樁和巖土體間設置了無厚度的古德曼( goodman )單元,對于軟弱夾層和已知的滑裂面也採用古德曼單元模擬,錨索採用的是具有初始應力的連續桿單元模擬。
  13. The bridge is located on the alluvial plain in the front of pearl river sloping field. its piles pass through weak soil layer, sandy clay and gravel stratum ; piles " sustaining layer sits in weak - weathering or faint - weathering mudstone

    該橋位於珠江三角洲坡前沖積平原,採用樁基穿越軟土、亞粘土、砂土和礫砂,持力層置於弱風化和微風化的泥質砂巖和泥灰巖夾泥巖中。
  14. Applied to cast - in - situ pile, the technology of pressure grouting under pile ' s tip can increase pile ' s bearing capacity largely and the utilization ratio of material, and decrease its settlement. furthermore, this technique is better adaptable to various soil stratum and can make magnificent economic efficiency with simple facilities and construction method

    樁端壓力灌漿技術用於灌注樁,能大幅度提高承載力,減小沉降,提高材料的利用率,並且設備簡單,施工工藝不復雜,經濟效益顯著,對各種地層有較好適應性。
  15. Through analyzing bed ' s response to wave, in the condition that super - stratum is more hard and second - stratum is more soft in region of interest, super static interstitial hydraulic pressure amplitude die away rapidly between stratums, before in sight of boundary between hard and soft stratum, plane effective pressure increase to max. shear stress reach peak value when bed thickness is approximately 2. 7 meters, then it will decrease to the minimum on the place where the flexible soil has a common boundary with the rigidity, so the boundary is the most destroy plane on engineering. on the basis of reconnaissance in situ, in normal situation of sea, the structure slides to the basin along the boundary

    通過對底床在波浪下的響應分析,對于研究區底床上層較硬而第二層較軟的情況,超靜孔隙水壓力幅值在層間交界處迅速衰減,在臨近硬、軟地層交界處前,水平有效應力增至最大,剪切應力在底床厚度大約2 . 7米左右達到峰值,然後減小,到硬、軟層土交界位置,達到最小,因此這個界面就是最容易發生破壞的工程軟弱面,現場勘查證明,即使在正常海況下,構築物也會沿坡以此交界面為滑動面,緩慢向「盆」底滑動。
  16. Centrifuge model test technique preferably solves two problems : one is the gravity loss of the model soil, the other is the coupling problem between the seepage field of the ground water and the stress field of the stratum, which is a guidance for other deformation controls under the similar condition

    離心模型試驗技術較好的解決了在地下工程研究中模型土體的自重損失和地層位移分析中地下水滲流場和地層應力場相互耦合作用問題,對于在相似條件下富水地層隧道開挖施工如何控制地表沉降變形的研究方面具有指導意義。
  17. The production of wheat is increased by 9. 6 % under sewage irrigation ; ( 2 ). dry matter and leaf area index of the wheat is much higher during nourishment growth stage, while dry matter and leaf area index of the wheat under fresh treatment is significant lower during productive growth stage ; ( 3 ). heave metal from swage enriched in the soil stratum in the depth of 0 - 30 cm, and the root length under sewage treatment is larger than that under fresh treatment.

    田間試驗表明,在相同試驗條件下,污水灌溉與清水灌溉相比: ( 1 )污水灌溉可使冬小麥增產9 . 6 ; ( 2 )作物地上部干物重和葉面積指數,在營養生長階段清水灌溉比污水灌溉值高,而在生殖生長階段清水灌溉比污水灌溉值明顯降低; ( 3 )污水中營養物質主要富集在0 30cm土層中,在該土層中污水灌溉的小麥根量比清水灌溉的顯著增多。
  18. Underlying soil stratum, strata

    下臥層土
  19. Construction treatment of sand - mixed soil stratum beneath the foundation of high - rise building beside basement garage

    對地下車庫邊高層建築結構基礎下的懸置夾砂土層的施工處理
  20. The ill uniformity of soil stratum distributing has great effect on the transverse displacement of the soil stratum. underground structures, should have sufficient stretchiness for enduring the displacement of soil stratum, therefore, avoid being cut and destroyed

    場地土層分佈的不均勻性對土層的橫向位移影響很大,地下結構應該具有足夠的延性來承受土層的位移,以避免剪切破壞的發生。
分享友人