homogeneous soil 中文意思是什麼

homogeneous soil 解釋
均質土
  • homogeneous : adj. 1. 同種的,同質的,同性的,相似的。2. 純一的,均質的;均勻的。3. 【數學】齊性的,齊次的。adv. -ly ,-ness n.
  • 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. This test is based on homogeneous soil in foundation, and divided into two phases. the first is to stimulate the construction flow to excavate the pit ; the second phase is destructive test. because the pit is stable in the first phase and the research is point to the geometry shape of the failure surface, moreover, limited to the test condition, the effective surface force is applied to the pit

    此次模擬試驗主要是針對簡單均質的基坑土層進行研究,試驗分為兩個階段,第一階段主要是以相似工況模擬基坑開挖,第二階段主要是破壞性試驗,即由於在第一階段基坑在開挖范圍內能夠自穩,為使基坑達到破壞狀態以研究滑面幾何形態,限於試驗條件,採用「等代面力」的方式施加超載。
  2. A transfer model is established, which can be used to study the interaction between the land surface physical processes of inhomogeneous region and the structure of atmosphere boundary - layer over urban and rural terrains. the model has simulated surface heat flux, surface temperature, temperature profiles, height of mixture layer and so on. and the differences between urban area, suburban area and rural area have been compared. this model mainly depends on the parameters below : surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of errain, cloudage. the result shows that this model can simulate the structure and eigenvalues of atmosphere boundary layer and their changes in a day. parameters used in this model aim at beijing city, and the time is at the beginning of september. to other cities, or other time, the parameters should be adjusted accordingly. in addition, being adjusted, the model can also be used for other homogeneous and inhomogeneous terrains

    模式主要依賴于以下參數和物理量:地面反照率下墊面粗糙度土壤的可含水量下墊面的熱容量和熱擴散系數雲量等參數。結果表明,本模式能合理地模擬不同地表熱量平衡地表氣溫混合層高度湍流交換系數湍流動能位溫廓線等,以及它們的日變化。該模式所取參數主要針對北京市,時間為九月初,對于其他城市,參數應作相應的調整。
  3. 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。
  4. By phase displacement forward method, we synthesized some two - dimensional geoelectrical sections, for example 2 - d dipping interface model, 2 - d dual geoelectic interface model and concrete pipeline model in homogeneous soil media

    並利用相位移正演方法建立了四種地電模型,用以認識雷達剖面的特徵、指導gpr剖面的地質解釋和驗證偏移方法的有效性。
  5. In the paper, other research results are summarized, and a big test model indoor of row pile retaining and protecting deep foundation pit is designed. for homogeneous soil or samdwich soil structure three different retaining and protecting kinds : dense pile, thin pile and without pile are designed, using excavation simulation and loading on the top of slope, the model test is divided into two stages : foundation pit excavation simulation stage and destroy test stage. in this paper, for three different retaining and protecting kinds, the relation between soil pressure and displacement of piles, the relation between soil stress and strain, interaction of pile and soil and retaining and protecting loss - stability destroy are systemic studied

    本文總結了前人研究成果,構築大型室內深基坑排樁支護試驗模型,在均質及層狀土層結構地基上,設計了密排樁、疏排樁及無支護三種不同支護型式,採用模擬開挖與坡頂均布加荷方式,進行了模擬基坑開挖和破壞性的兩個階段試驗,對三種不同支護型式的土壓力與樁位移、土體應力與變形、樁土共同作用及支護結構失穩破壞進行系統研究。
  6. Cadmium ( cd ) is one of the mostly polluting heavy metal. first, to characterize the adsorption property of cadmium, cadmium adsorption isotherms in soils were determined by the batch experiment, and the adsorption parameters were obtained ; second, miscible displacement experiments were carried out in saturated homogeneous soil columns under steady - state water flow, and the dynamics of flux concentration of cadmium leached in soils were measured

    首先,用批量平衡法開展了鎘在砂質壤土、壤質砂土和粉壤土中的吸附特性的試驗研究,獲得吸附常數;其次,採用易混合置換實驗的方法,對其在穩定流場飽和土壤中的運移進行了室內研究,獲得了目標溶質鎘在定濃度輸入條件下的出流液濃度動態。
  7. In addition, at ncku - re study site, collections of soil water contents and data of rainfall estimate infiltration and runoff in homogeneous unsaturated soil profiles, after net fuzzy - neuro training, to analyze soil infiltration behavior and determine the infiltration and runoff of the region of the subsurface

    中文摘要本研究主要目的將現地資料含水量,運用模糊類神經網路去做訓練,在考慮降雨與土壤含水量,進行未飽和層剖面之地表入滲、逕流分析與推估。
  8. At first, an analytical solution to one dimension consolidation of half - infinite homogeneous structural soft clay ground is derived, then analytical solution to one dimension consolidation of finite thickness homogeneous structural soft clay ground are given. in the meantime numerical solution to one dimension consolidation of layered structural soft clay ground is derived. furthermore, the calculation method of the consolidation degree of sand drains ground is given under the condition of instant loading, where soil structure characteristic is taken into the formula account

    建立了結構性軟土地基固結沉降的基本理論,獲得了半無限結構性軟土地基一維固結計算解析解,有限厚度結構性軟土地基一維固結計算解析解,成層結構性軟土地基的一維固結數值解以及考慮土結構性影響的砂井地基固結度計算方法。
  9. A more rigorous analytical solution for lateral vibration of single pile in a homogeneous soil was developed, in which the shear deformation of pile was considered for the first time

    首次在樁基的水平振動分析中考慮了樁體的剪切變形,獲得了單樁在均勻地基中更為精確的水平振動解。
  10. The properties of soil are not homogeneous, whereas soil is a continuous spatio - temporal heterogeneity, with high spatial variability

    土壤並非一個勻質體,而是一個時空連續的變異體,具有高度的空間異質性。
  11. In this paper, the numerical techniques and computational methods for limit analyses and shakedown analyses of soil structures and foundations are systematically investigated and then are employed to the assessment of the safety of the non - homogeneous foundations and the offshore platform foundations. in this dissertation, the computational method which combines elasto - plastic analysis with melan ' s theorem is developed and then applied to evaluate limit load and shakedown load of soil structures. elasto - plastic analyses are performed to obtain elasto - plastic stress field and elastic stress field

    在巖土工程領域,飽和粘土的安定現象與飽和砂土的液化早已為人所知,但是安定性理論及其分析在工程實際中並沒用受到足夠的重視,在這方面的探索研究也極為有限,這與土體穩定性評價中廣泛應用極限分析方法極不協調,而在海洋平臺地基等實際工程中安定性問題又顯得十分重要。
  12. In this dissertation, rainfall infiltration, runoff, and soil water redistribution on a hillslope were studied by simulated rainfall experiments, and soil water cycling was investigated by site observation and soil sampling methods. moreover, the reasons for the desiccation of deep soil layer were analyzed, and its assessment indexes and standards were presented. the main results are as follows : ( 1 ) rainfall infiltration into a planar hillslope with a homogeneous isotropic soil could be simply regarded as one - dimensional infiltration process, if soil erosion was prevented

    針對當前該區植被恢復重建中存在的科學問題,以植被建設的關鍵性限制因素?土壤水分為出發點,通過室內外模擬降雨試驗,研究了坡地降雨入滲、產流及土壤水分再分佈規律,同時採用定位觀測和采樣分析相結合的方法,分析了坡地土壤水分的循環與轉化特徵,並初步建立了深層土壤乾燥化程度的評價標準,取得的主要結論如下: ( 1 )在防止土壤侵蝕的條件下,均質坡地的降雨入滲過程可以簡化為一維。
  13. The thesis also discusses the residual strength after slippage. based on this, the author establishes the analytics of load - settlement of super - long piles in homogeneous soil with the account of shaft resistance degradation and extends to layered soils

    根據工程實際測試結果,提出了發生樁土滑移的樁頂沉降的臨界值為0 . 01d 0 . 02d ,並對發生滑移后樁側土摩阻力殘余強度的確定進行了探討。
  14. It has been shown that no matter what kind of assumption is adopted for soil in a consolidation analysis, nonlinear or non - homogeneous, the result obtained differs greatly from terzaghi ' s theory. and the coefficient of consolidation is not the only parameter of soil that affects the one - dimensional consolidation behavior

    本文的工作表明:在固結分析中對土性無論是採用非線性假定還是採用非均質假定,其結果都與傳統的太沙基固結理論有很大的差別。
  15. In view of the seepage hazards existent in the homogeneous soil dam in landong reservoir and on the basis of physical property of the media and geophysical characteristics of the study area, the authors reasonably selected such geophysical techniques as high - density resistivity, ground penetrating radar, transient rayleigh wave and spontaneous polarization to make integrated exploration and find out the seepage path of water sources, thus providing grounds for evaluating stability of the dam body and designing the reinforcement plan

    摘要針對藍洞水庫均質大壩出現散滲等病險,根據區內各介質物理性質及地球物理特徵,合理選擇了高密度電阻率、探地雷達、瞬態瑞雷波和自然電場4種物探方法進行綜合勘查,查明病險的水源來向,為評估壩體的穩定性和加固處理設計提供依據。
  16. Abstract : in view of the seepage hazards existent in the homogeneous soil dam in landong reservoir and on the basis of physical property of the media and geophysical characteristics of the study area, the authors reasonably selected such geophysical techniques as high - density resistivity, ground penetrating radar, transient rayleigh wave and spontaneous polarization to make integrated exploration and find out the seepage path of water sources, thus providing grounds for evaluating stability of the dam body and designing the reinforcement plan

    文摘:針對藍洞水庫均質大壩出現散滲等病險,根據區內各介質物理性質及地球物理特徵,合理選擇了高密度電阻率、探地雷達、瞬態瑞雷波和自然電場4種物探方法進行綜合勘查,查明病險的水源來向,為評估壩體的穩定性和加固處理設計提供依據。
  17. Secondly, analytical solution is developed for one - dimensional non - homogeneous consolidation of one - layer soil and double - layered soil respectively based on the assumption that the modulus of compressibility of soil varying linearly along depth. furthermore, the semi - analytical solution for one - dimensional consolidation problem of layered non - homogeneous soft clay stratum is presented and programmed. by using the analytical and semi - analytical solutions, the one - dimensional non - homogeneous consolidation behavior of one - layer soil and that of multi - layered soil are investigated in detail

    其次,分別得到了土體壓縮模量隨深度線性變化的單層和雙層非均質地基一維固結解析解,以及滲透系數和壓縮系數隨深度任意變化的成層非均質地基一維固結半解析解及其計算程序,並以滲透系數和壓縮系數是深度的多項式函數的非均質地基為例對單層、多層非均質地基的一維固結性狀進行了詳細研究。
  18. This paper looks soil as homogeneous stationary random fields, expatiates the application of the random process in the geotechnical engineering and establishes the basic concept, its assortment and digital feature of random process and random fields, tests whether this random fields is a stationary process and whether it is ergodic, applies correlation function theory and variable function theory in the study of the random fields of soil parameter, acquires the relation of the two theories and draws the conclusion that they are equal essentially, fits the measured curve by using the correlation function method, variable function method and other methods, and acquires the value of correlation distance, applies the random fields theory of soil parameter in actual engineering, estimates the value of elevation and other soil parameters of 92 holes in baoding city and the results are satisfying

    將相關函數理論和變異函數理論分別應用於巖土參數隨機場的研究中,通過運用這兩種理論對巖土參數特性的描述,得出這兩種理論的內在聯系及其本質一致性的結論。分別運用相關函數法、變異函數法及其它求解相關距離的方法對實測函數曲線的擬合,得出描述空間相關程度的度量? ?相關距離(或變程) ,對用這幾種不同方法得出的相關距離(或變程)值進行了比較,並對這幾種方法的優劣和實用性做了評比。將巖土參數隨機場理論運用於工程實際,對保定市區某場地的92個鉆孔的各層位的層底標高及其它幾種常見的巖土參數做出了估計,預測結果比較令人滿意。
  19. The time effect of the settlement of single pile in a homogeneous soil was investigated. the interface between pile and soil was simulated by voigt model, and the analytical relationship of settlement and time of single pile in homogeneous soil was obtained by the method of separating variables

    均質地基中單樁沉降的時間效應研究將樁周土對樁的作用簡化為voigt體模型,建立了均質地基中考慮土體粘彈性的單樁靜力平衡方程,成功地將時間因素與單樁的沉降聯系起來。
  20. In this thesis, based on the principles of hydraulic mechanics and soil mechanics, the change of effective stress in soil mass and the settlement of ground surface induced by dewatering during excavation both in homogeneous soil and in layered soil were studied. analytical formulas for calculating the settlement and the others were derived under the assumption that the seepage induced by dewatering is one - dimensional and vertical

    本文運用水力學和土力學的基本理論,在一維豎向滲流的假定下對均質土和成層土中基坑開挖降水引起的坑內外土中應力變化及周圍地表沉降的計算方法進行了較深入的研究,推導了相應的地表沉降等計算公式。
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