surrounding soil 中文意思是什麼

surrounding soil 解釋
周圍土壤
  • surrounding : n 〈pl 〉周圍的事物[情形],環境;附近。 picturesque surroundings 畫一樣美麗的環境。 social surrou...
  • 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...
  1. The main contents are as follows. ( 1 ) filter cloth and the surrounding soil mass are taken as an approximate isotropy in horizontal section, the relationship of stress and strain is studied, the anisotropy is fully considered, the constitutive model of filter cloth reinforcement fly - ash compound is obtained, it is tested with numerous indoor experiments. ( 2 ) the permeable coefficient is introduced into the constitutive relationship of soil mass with relevant seepage theory ( kozeny - carman experience formula ). the test of filter cloth depositing hi the condition of long term seepage flow is done hi the dissertation, the varying regular of permeable coefficient without pressure is presented

    本文首先對國內外的研究現狀作了回顧和總結,然後主要針對土工織物加筋粉煤灰復合體的本構關系和計算理論進行研究,主要內容有: ( 1 )將土工織物和周圍土體視為一種近似的彈性非線性橫觀各向同性體,研究它的應力應變關系,充分考慮它的各向異性,得到土工織物加筋粉煤灰復合體的本構模型,然後通過大量室內試驗進行分析驗證; ( 2 )引入有關滲流理論,即柯茲尼-卡爾曼( kozeny - carman )經驗公式,將滲透系數引進到土體本構關系中。
  2. This paper deals with seismic response of a tunnel - soil system immersed tunnel , as an underground structure , must be compatible with the deformation of the surrounding soil thus the simplified model for a tunnel - soil system is established through two steps at the first step , an mdof system is developed for modeling the foundation soil to this end , dynamic behavior of the foundation soil is analyzed a typical section of the foundation soil simplified as a single mass - spring system on the basis of some equivalent criteria those mass are linked longitudinally by elastic springs to form an mdof system at the second step , the tunnel is treated as a beam on elastic foundation ; that is , the tunnel is connected with the soil massed to form a tunnel - soil system this model has been applied to the seismic analysis of huangsha fangcun immersed tunnel across the pearl river in guangzhou design recommendation is proposed on the basis of this analysis

    研究沉管隧道在地震條件下整體受力的分析方法分兩步建立計算模型第一步通過分析場地地基土切片的動力特性,根據等效原則將其化為等效單質點體系,然後在縱向用等效彈簧連接而成為多質點體系的地基土計算模型;第二步將隧道看作彈性地基梁與上述多質點體系通過等效彈簧連結而得到土隧道體系的計算模型本文結合廣州黃沙芳村珠江水下隧道工程實例建立了具體的計算模型並對多種不同的約束條件,進行了縱向與橫向地震響應時程分析,為該隧道的抗震設計提供依據
  3. The experiential formula between kc and base resistance q from cpt and, the relationship between ke and c # ( strength of concrete ) are also created by fitting 94 pressed pile testing date. based on analyzing the compacting effects caused by driving pile in loess and it ' s influence on bearing capacity and settlement, another two disturbance parameters, c and e, are proposed for multiplying respectively the parameters of soil cohesive c and deformation modulus es to reflect this effect. by fitting 51 driven pile testing date, we created an experiential formula between the e and r ( the modulus ratio between pile and surrounding soil ), also an experiential formula between the c and base friction resistance fs / pa from cpt of pile surrounding soil

    在本文中分析了靜壓樁的沉樁擠土效應對其承載力與沉降特性的影響,在計算模型中引入了樁周土粘聚力c的修正系數k _ c和樁周土變形模量e _ s的修正系數k _ e來體現這種影響,通過對94根靜壓樁試樁資料進行擬合,建立了k _ c與樁端土靜力觸探的端阻q _ c之間經驗公式以及k _ e與c # (混凝土標號)之間的對應關系。
  4. Soil springs are used around the pipe including vertical, lateral and axial soil springs to consider the interaction between the pipeline and the surrounding soil. the pipe segment near fault that usually suffers large deformation is modeled with a plastic shell element in order to consider the effect of local buckling and section deformation. to reduce the calculating time of the whole model, an equivalent spring proposed by the author is applied at two ends of the shell model

    為了解決現有的殼單元方法需要大量計算機時的缺點,本論文首次從理論上把離斷層較遠管土之間相對變形較小的管子直線段部分的變形等效為一個非線性彈簧,將此等效邊界引入到有限元模型中,使得模型中的殼單元部分主要用來分析我們所感興趣的在斷層附近發生大變形的管段,從而達到節約計算時間的目的。
  5. Numerical simulation is carried under different conditions, including ( a ) the different distance between deep foundation excavations and the adjacent structures ; ( b ) different supports are used, such as cantilever piles, row piles with one - layer grouted soil anchor, row piles with two - layer grouted soil anchor, row piles with three - layer grouted soil anchor and soil nailings etc. this paper reveal the law of adjacent structures and bracing structures displacements and surrounding soil settlements. anchor and soil nailing ' s impact on the displacements of adjacent structures is analyzed then. further more, we find the law of displacements of bracing structures, surrounding soil settlements, differential settlement and absolute settlements of adjacent structures that may appear in the process of excavation by steps

    模擬分析了近鄰建築物在不同距離的條件下,懸臂支護、一層錨桿與排樁聯合支護、兩層錨桿與排樁聯合支護、三層錨桿與排樁聯合支護、土釘支護等幾種支護情況下的深基坑開挖過程,對深基坑工程開挖過程中近鄰建築物的變形、支護結構變形以及基坑外地層沉降的發展變化規律進行了分析總結;對錨桿和土釘支護對建築物變形的影響作了詳細地分析,找到了一些基坑開挖過程中基坑支護結構變形、周圍地層沉降、近臨建築不均勻沉降及絕對沉降的發展變化規律,得到了一些對深基坑工程設計和施工有工程實際意義的結論。
  6. If the hole is filled with rich organic matter and compost but the surrounding soil is hard and compact or less nutritious, the roots are less likely to spread out into the soil

    如果種植穴充滿營養豐富的有機物和堆肥,但周圍的土壤堅硬而缺乏養分,根系就不會伸長長入土壤。
  7. It was shown that the position of neutral point of pile shaft varied with the consolidation of surrounding soil and the magnitude of pile - head load

    利用該模型分析了大面積堆載下,在樁頂作用大小不同的豎向荷載以及樁側土達到不同固結度時再施加樁頂荷載情況下,樁身摩阻力的發展變化規律。
  8. Application and effect of grouting in surrounding soil on releasing and restraining additional stress of shaft lining

    圍土注漿緩釋和抑制井壁附加力效應及應用
  9. So, the following questions such as : how to simulate the process of excavating and retaining of the deep foundation pit engineering, how to calculate and analyze the pressure and deformation of the surrounding soil, how to calculate and analyze the deformation of retaining structure in the course of excavating, how to predict the earth subsidence and the swelling of pit bottom, and how to predict the deflection of surrounding pipes in loess area, are all worth researching

    黃土地區深基坑工程技術與理論研究尚處于起步階段,因此如何對黃土地區深基坑開挖與支護過程進行模擬,對深基坑周圍土體的壓力、變形及支護結構的變形隨基坑開挖過程所發生的變化進行計算與分析,對地表面的沉降和坑底的隆起、周圍管線的變位進行預報則成為一個值得研究的課題。
  10. At last, the law of deformation of pit bottom and surrounding surface in different stress state and in different excavating step is obtained, and the same to the saturatin g process of surrounding soil. to some extent, in predicting the deformation of surrounding soil and retaining structure in construction, in preventing the foundation pit accident from happening, in insuring the security of environment and regular use of pipes underground, and in giving advice to deep loess foundation pit engineering in practice, the conclusion is of theoretical and practical value

    得出了不同應力狀態下和不同開挖步驟時以及基坑周圍土浸濕過程中黃土深基坑坑底及基坑周圍地表的變形規律,所獲得的結論對于黃土深基坑施工過程中周圍土層及圍護結構的變形預測,防止黃土深基坑事故的發生及周圍環境的安全與地下管道的正常使用,指導黃土深基坑工程的實踐具有一定的理論和實踐參考價值。
  11. It considered the increase of the initial shear stiffness of the surrounding soil with consolidation and unloading and cyclic behaviour of the interface

    本文在總結前人研究成果的基礎上,改進了反應樁土界面荷載傳遞性狀的雙曲線模型。
  12. By fitting 106 testing date of cast - in - place piles, the experiential formula between the e and c # as well as l / d ( ratio of length and diameter of pile ) and, the experiential formula c and base resistance qc / pa from cpt of pile surrounding soil are given. finally, we put some examples to testify this theory

    通過對51根打入樁的15組樣本數據的試樁資料進行分析計算,建立了_ e與樁與樁側土的剛度比r之間的經驗公式; _ c與樁側土的靜力觸探成果f _ s p _ a之間的經驗公式。
  13. To take an actual example, the triple pipe method has been adopted to consolidate the surrounding soil by rotary shot grouting pile and swaying shot diaphragm wall in the construction of vertical shaft and access drift of running tunnel from martyr ' s park to dong shan kou station in no. l line of guangzhou metro. it turns out that this method has met the double effect of both construction support and waterproof

    作為施工實例,在廣州地鐵一號線烈士陵園至東山口區間隧道的豎井及聯絡通道施工中,採用三重管法對周圍地層實施了旋噴樁和擺噴墻加固,達到了施工支護和防水止滲的雙重效果。
  14. The impacts of dismantling electronic wastes on surrounding soil environment : take xiagu ' ao of luqiao, taizhou as an example

    以臺州路橋下谷嶴村為例
  15. The work presented herein overcomes the deficiency existed in available theories for longitudinal vibration of pile induced by using simpler soil model for simulating surrounding soil. this develops the longitudinal vibration theory of pile and makes it more perfect

    本文工作克服了現有相關研究中對樁側土採用的模型過于簡單所造成的缺陷,從而發展和完善了樁的縱向振動理論。
  16. The main original work includes : 1. with laplace transformation, the solution for longitudinal vibration of a pile with variable cross - section is derived when surrounding soil is simulated respectively with normal voigt model and normal maxwell model

    主要工作包括: 1 、採用拉氏變換法分別得到了標準voigt模型和標準maxwell模型條件下成層土中任意段變截面樁縱向振動解。
  17. Distribution law of forces between the anti - sliding pile and the surrounding soil mass

    抗滑樁與周圍巖土體間相互作用力的分佈規律
  18. Influence of seismic response on piles due to pile - surrounding soil and spacing between adjacent piles

    樁周土及樁間距對樁基地震反應的影響
  19. While, many problems are still left for profound research due to the complication of inter - action between pile and surrounding soil

    但是由於樁土相互作用的復雜性,該領域內仍有大量的問題有待于作進一步的深入研究。
  20. But pesticide residues linger on crops and the surrounding soil leaching into groundwater running into streams and getting gobbled up by wildlife

    但是農藥殘留在農作物上或附近土壤中,然後滲入地下水,流入河川,最後進了野生生物的腹中。
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