飽和粘土 的英文怎麼說
中文拼音 [bǎohéniántǔ]
飽和粘土
英文
saturate clay-
The results indicate that : 1. the main physical and chemical characteristics vary regularly : with rising of the altitude, there is a transition from silt > sand > clay to sand > silt > clay in the mechanical composition ; the argic horizon emerges below the altitude of 1600 meters ; the content of organic matter is enrichment, the content of organic carbon of epipedon is higher than 20 g / kg, while the content of organic carbon increases with increasing of altitude, and in the altitude of 3500 - 3700meters, the soils under the meadow have the maximum content organic carbon ; the soils appear acid - slightly acid reaction, the ph decreases appreciably and acid strengthen with increasing of altitude ; the soils higher than the altitude of 2500 meters are base unsaturated, indicating the soil leaching is strong, the ph and bs are distinct plus correlated ; the contents of sio2, al2o3, and fe2o3 of the soil body and clay are all relatively stabilization ; in the soil body, the content of sio2 is much high and cao is very little, the total contents of sio2, a12o3 and fe2o3 occupy 92 % of the mineral parts, the sequence of mineral elements is : sio2 > al2o3 > fe2o3 > k2o > mgo > cao > tio2 > mno
研究結果表明： 1太白山南坡土壤的主要理化性質隨海拔高度的上升呈有規律的變化：隨海拔高度上升，機械組成由粉粒砂粒粘粒逐漸過渡到砂粒粉粒粘粒，海拔1600m以下出現粘化層；土壤有機質豐富，表層有機碳含量一般在20g kg以上，有機碳含量隨海拔高度升高而相應增加，海拔3500 3700m的灌叢草甸植被下有機碳含量最高；土壤呈酸性或微酸性，並隨海拔上升， ph值略微降低，酸性增強，海拔2700m以上的土壤多呈鹽基不飽和狀態，表明土壤淋溶作用較強， ph值和鹽基飽和度呈極顯著正相關；土體與粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定，土體中sio _ 2含量較高， cao含量較少， sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占土壤礦質部分的92 ，礦質元素含量的順序依次為： sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。Standard test method for laboratory miniature vane shear test for saturatedfine - grained clayey soil
飽和細粒粘性土壤的實驗室小型十字板剪切試驗的標準試驗方法Firstly, the paper puts out the formulas used to calculate displacement by secant modulus, which think about the influence on lateral displacement
提出了飽和粘土利用割線模量法計算固結沉降，且考慮側向變形影響的公式。2. the diagnostic surface horizons divided on the soils of the area are mollic epipedon, umbric epipedon and ochric epipedon. the diagnostic subsurface horizons are cambic horizon, argic horizon, histic evidence and mattic evidence. the diagnostic characteristics are sapric soil materials, folic soil materials, soil moisture regimes, soil temperature regimes, ferric property and base saturation
本地區土壤劃分出的診斷表層有暗沃表層、暗瘠表層和淡薄表層，診斷表下層有雛形層、粘化層，診斷現象有有機現象、草氈現象，診斷特性有6個：高腐有機土壤物質、落葉有機土壤物質、土壤水分狀況、土壤溫度狀況、鐵質特性、鹽基飽和度。Testing on logs in laminated shaly sands it demonstrates that the model can be applied in laminated shaly sands. testing on effects of rdc. and vdc representing clay resistivity and fraction or dry clay resistivity and fraction on water saturation calculated by the model it proves that it is very reasonable for rdc to be clay resistivity and vdc to be dry clay fraction, so the mode l derived from the paper can be used to evaluate shaly sands
通過一組層狀泥質砂巖測井資料解釋，表明該模型適用於層狀泥質砂巖地層解釋；通過考察rdc 、 vdc代表粘土或干粘土電阻率及含量對該模型計算含水飽和度的影響，說明rdc代表粘土電阻率，而vdc代表干粘土含量是合適的，因此，使用文中給出的電阻率模型能更好地解決泥質砂巖問題。Dynamic properties of saturated soft clay under impact loading
飽和軟粘土在沖擊荷載下的動力特性研究Some characteristics of saturated soft clay under impact loading
沖擊荷載作用下飽和軟粘土的一些性狀Abstract : reviewed are five methods for the analysis of the penetration of jacked - in piles, namely, cavity expansion method, strain path method finite element method, slip line method and calibration model test. after analysis, it is pointed out that it is more rational to adopt sub - statical spatial axisy numerical formulas based on traditional plane - strain cavity expansion method in the analysis. after spatial closed - form solutions are obtained for soil movements, stresses and initial excessive pore pressures generated durihy pile penetration are found out. it is suggested that finite element analysis together with centrifugal model test be used in verifying the results
文摘:在分析飽和粘土中靜壓樁的貫入機理的基礎上，對靜壓樁沉樁分析的圓孔擴張理論、應變路徑法、有限元分析、滑移線理論和模型槽試驗等五種方法逐一進行評述，並提出在傳統的平面圓孔擴張理論基礎上加以改進，採用準靜態空間軸對稱方程組對靜壓樁貫入過程進行模擬，從而得出土體位移、應力、初始超孔壓的空間解析解，同時採用有限元分析、模型槽試驗相互印證的研究方法With increase of artificial forest age, the content of soil organic matter decreased sharply. and soil physical, chemical and biological properties of forest became worsen. from soil physical properties analysis, soil silt, clay, physical clay, aggregate degree and structure coefficient in topsoil increased with increase of artificial forest age and soil sand deceased
在土壤物理性質方面，隨著人工雲杉林齡的增加，土壤表層粉粒、粘粒、物理性粘粒、團聚度和結構系數降低，砂粒含量增高，土壤飽和持水量、毛管持水量及總孔隙和毛管孔隙在人工雲杉演替過程中表現出「 u 」型變化。The central concept of alfisols is that of soils that have an argillic, a kandic, or a nitric horizon and a base saturation of 35 % or greater
淋溶土的主要特性是有粘化層，高嶺層或氮化層和鹽基飽和度達35或以上。Based on the available rule of variation in undrained shear strength during excavation, and the basic idea of the merchant model, this paper presents a constitutive relationship for saturated cohesive soils, capable of taking into account both stress path and time - dependent effect. it ' s named by the author as modified merchant model
本文根據前人基坑開挖前後土的不排水抗剪強度變化規律的研究結果，並結合merchant模型的思想，提出了能同時考慮開挖應力路徑和應力應變隨時間變化的飽和粘土應力應變關系，亦可稱之為修正merchant模型。This was related to the changes in the wear mechanisms induced by the introduction of the mmt as the filler, under water - lubricated condition, up was dominated by adhesion wear and fatigue peeling off in water - lubricated sliding against the steel, though the adhesion wear and fatigue peeling off were considerably abated for the nanocomposite under the same test condition
這是由於蒙脫土的加入改變了材料的摩擦磨損機理。不飽和聚酯主要是粘著磨損與疲勞開裂。在水潤滑條件下，納米復合材料的磨損形式發生改變，而在干摩擦條件下，納米復合材料的磨損形式依舊以粘著磨損為主。By analyzing parameters of the model, we find out that shale distribution largely affects water saturation calculated by the model, the less the resistivities of sand grains or clay grains, the more largely the resistivities of grains affect the relation between ct and swt, the effect of m on the relation between ct and swt is increased with swt
通過對該模型的影響因素分析，發現泥質分佈形式對模型計算的含水飽和度有很大影響；砂巖顆粒或粘土顆粒的電阻率越小，顆粒電阻率對c _ t與sw關系影響越大； m （ m = n ）對c _ t與s _ （ wt ）關系曲線的影響隨s _ （ wt ）的增大而增大。Liquefaction of saturated sands is a greatly complicated phenomenon. its generation, development and dissipation are restricted by physical property, stresscondition and boundary condition of soils. in addition, there are a lot of influencing factors such as density, structure property ， clay content, degree of saturation, gradation, hydraulic conductivity, initial stress condition and dynamic load character and so on
砂土液化是一種相當復雜的現象，它的產生、發展和消散主要由土的物理性質、受力狀態和邊界條件所制約，存在許多影響因素，例如土的密度、土的結構性、粘粒含量、飽和度、級配、透水性能以及初始應力狀態和動荷載特徵等。Abstract : based on laboratory test results, a model for predicting the residual deformation of soft clay under impact loading is proposed in this paper, which fits well with other test results. this model, considering several factors which affect the residual deformation such as confining pressure, impact energy and the number of impacting, can be used for the deformation prediction in the treatment of saturated soft clay by the drainage consolidation method of combining static and dynamic loading
文摘:在試驗基礎上建議了一個預測沖擊荷載作用下飽和軟粘土殘余變形的計算模式，該模式考慮了周圍壓力、沖擊能大小、沖擊次數和沖擊遍數等幾個因素.對計算模式的驗證表明，預測值與實測值吻合較好.該模型可用於動靜結合排水固結法處理軟基時的變形計算At first, the saturated clay ' s character of zhujiang delta is introduced and some parameter about pore is established
作者首先介紹了珠江三角洲地區飽和粘土的特點，確定了以土壤孔隙為主的特徵參數。Through abnormally testing the foundation soft clay from a high - way in sichuan province, the paper researches the reason that volumetric strain, deformation and lateral force coefficient of saturated clay change with changing of degree of consolidation and time
本文通過對四川某高速公路地基軟土的室內特性非常規試驗，深入探討了飽和粘土的體變、形變、側壓力系數隨固結程度，隨時間的變化機理。The main original works include : firstly, in the chapter of the mechanism of single pile squeezing against soil, the cavity expansion theory is discussed, and pile settlement in saturated clay in wenzhou is also analysed emphatically, the effect of squeezing against soil due to vertical soil yield is described
主要內容包括：首先，在單樁擠土機理分析中，討論了圓孔擴張理論，並對溫州地區飽和粘土地基中擠土樁施工作了相應的分析。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。2. the concept design is the key phase of the first stage of system optimization. the paper emphatically discusses with emphasis several issues difficulty to answer, such as the determination of the soil parameters, the soil pressure and the safety factor and the reliability of retaining structure, summaries and analyses the main geotechnical problems during the excavation on the four familiar geologic strata of saturation soft soil on the class i terrace of the yangtze river, aged - clay, expansive soil and loess and investigates carefully the patterns of deformation and destruction of pit slope in the saturation soft soil, puts forward three basic principles of selecting schemes of retaining structure, namely : facing to the problem, facing to the characteristics of excavation and environment
（ 2 ）概念設計是深基坑工程第一步優化? ?系統（方案）優化設計中的關鍵，文中重點討論了概念設計中的幾個難點問題，如土性參數的確定、土壓力的選取、深基坑工程的安全度和可靠度分析等；總結分析了飽和軟土、老粘性、膨脹土和黃土這四類常見地層條件下的深基坑工程中的主要巖土工程問題，其中重點研究了長江級階地上的飽和軟土深基坑邊坡變形和破壞模式，提出了選擇支護方案的基本原則，即：面向問題、面向基坑特點、面向周邊環境特點。分享友人