孔隙比 的英文怎麼說

中文拼音 [kǒngxìbǐ]
孔隙比 英文
percentage of void
  • 隙 : 名詞1 （縫隙; 裂縫） crack; chink; crevice 2 （空閑） gap; interval 3 （漏洞; 機會） loophole; op...
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  1. The black earth is a kind of alfisol, with a thick layer of humus, loose texture, high fertility, high porosity ratio, poor permeability and a high content of clay, which is suitable for cultivation

    摘要黑土是一種腐殖質層厚，質地鬆散，肥力很高，孔隙比較大而透水性差，粘粒含量高，適于耕作的淋溶土。
  2. With the development of human society, because of the lack of sustainable utilization consciousness, and the eager for quick success and instant benefit, the black earth suffered excessive cultivation and management, causing the reduction of its recycled ability, decrease in organic content, porosity ratio, fertility dropped and the properties of water retaining and water retention, which make the black soil harden and degenerate seriously

    但是隨著人類社會的發展，在缺乏保護和可持續利用意識、急功近利思想影響下，黑土遭到過度墾殖和掠奪式經營，人類對其活動范圍遠遠超過了其再生能力，導致有機質含量減少，肥力下降，孔隙比減小，保水持水能力降低，土壤板結，黑土嚴重退化。
  3. Based on the equal strain consolidation model of sand drain, and neglecting the well resistance and the vertical drainage consolidation, a layered model for the nonlinear consolidation of sand drain, which accounts for the geostatic pressure varying along depth and the relationship between the average viod ratio and the logarithm of average effective stress, is presented

    摘要基於砂井等應變固結模型，考慮初始有效應力沿深度變化，忽略井阻和豎向排水固結的影響，應用平均孔隙比與平均有效應力的對數關系，建立砂井非線性徑向排水固結的分層計算模型，並求得常荷載作用下的徑向排水固結解析解。
  4. 2. the structure of purple soil is meliorated by sabaigrass. when contrast to bare land treatment and natural wild grassland treatment we knew that sabaigrass treatment and grass tree solid plating treatment reduced soil bulk density, enhanced soil capillary porosity, non - capillary porosity and porosity ratio, decreased soil sand grain content, enhanced soil clay grain and silt grain content so as to reduced the dispersal degree of soil, improved the aggregate capacity of soil, increased the amount of soil aggregate structure, meliorated the water permeability of soil, accelerated the form of good soil structure

    龍須草能改善紫色土的土壤結構龍須草純種植被和林草立體種植植被能不同程度地降低土壤容重，減少土壤砂粒含量，增加土壤的毛管孔隙度、非毛管孔隙度和孔隙比，以及增加粉粒含量，從而降低土壤分散度，提高土壤團聚性，增加土壤團粒結構數量，改善土壤的透水性，促進良好土壤結構的形成，最終提高土壤的蓄水保肥性能，增強土壤的抗蝕性和抗沖性。
  5. Through indoor routine tests, the physical and mechanical natures of intact and remolding soil of muck and mucky soil, in fuzhou, are analyzed in this thesis. the results reveal that water content, void ratio, shear strength of remolding soil samples are lower than those of intact samples. then qualitative analysis on the mineral composition, chemical composition and microstructure characteristic and types of the soft clay is given

    本文通過室內常規試驗對福州地區淤泥及淤泥質粘土的原狀土樣和擾動土樣的物理力學性質進行了分析，觀察土樣受擾動后一些物理力學指標的變化情況，發現擾動軟粘土樣的含水量、孔隙比、抗剪強度指標均比原狀土樣低；並從軟粘土的礦物成份、化學成份以及微觀結構特徵和類型上定性地分析。
  6. In this paper, the influence of cycles of drying and wetting on strength and deformation are studied by means of routine direct shear apparatus, triaxial apparatus and light consolidation apparatus which include : the influence of force of constraint on strength, the total stress strength of expansive soils with different saturation degree, the influence of cycles of drying and wetting on the total stress strength, the relation between saturation degree and compression modulus and that between saturation degree and void ratio, the influence of cycles of drying and wetting on the effective stress strength, the relation between saturation degree and generalized suction

    本文利用常規直剪儀、三軸儀以及輕便固結儀，分別對非飽和膨脹土的強度和變形特性以及干濕循環對強度和變形的影響進行了一系列的試驗研究。以飽和度、干濕循環次數為變量，分別探求了外力約束對膨脹土強度的影響，不同飽和度膨脹土的總應力強度特性，干濕循環對非飽和膨脹土總應力強度的影響，飽和度與壓縮模量以及孔隙比的關系，干濕循環對飽和膨脹土有效應力強度指標的影響，廣義吸力與飽和度的關系，建議了一組計算非飽和膨脹土變形及強度特性的經驗公式。
  7. Based on the lab orthogonal tests, using self - manufactured constant head permeameter, the effect of gravel content, void ratio and particle shape on the coefficient of permeability of soil - rock - mixture was studied

    本文採用室內正交實驗，利用自製的常水頭滲透儀，研究了礫石含量、孔隙比和顆粒形狀3個因素在不同水平下對土石混合體滲透系數的影響。
  8. Based on the consolidation mechanism analysis of the warping clay under osmotic pressure, a finite strain osmotic pressure consolidation equation, of which the excess pore - pressure or void ratio was selected as dependent variable, was derived

    首先，通過分析滲壓作用下的淤填粘土的固結機理，推導出以超孔隙水壓力，孔隙比為控制變量的有限應變滲壓固結微分方程。
  9. The corresponding programs in matlab language were presented for various operating mode computations. thus, the excess pore - pressure and void ratio distribution along space - time could be derived. the degree of consolidation, which could be expressed by excess pore - pressure or deformation, was derived for various operating mode and its ’ characteristics along space - time showed rules of warping soil consolidation under osmotic pressure

    應用matlab語言編制計算程序對各種工況的超孔隙水壓力消散、孔隙比隨時間和空間的變化進行了求解，對各種計算工況得到的以孔壓和變形表示的固結度的變化規律進行分析，說明滲壓體積力作用下淤填粘土的固結隨時間和空間的非線性分佈特性。
  10. The sensitivity of one - dimension consolidation degree to the uncertainty of seepage coefficient, void ratio and compression coefficient is analyzed, then, the reliability of percent consolidation is analyzed with jc method and the steps of calculation are presented

    分析了固結度對滲透系數、孔隙比和壓縮系數三個參數不確定性的敏感性。利用jc法分析了一維固結度的可靠性，通過實例驗證用所給的迭代步驟，計算結果收斂很快。
  11. The safety of ash dam situated in earthquake regions has always been paid great attentions by designers. because of the big void ratio and easy liquefaction of fly ash, it is of great significance to investigate the seismic stability of such ash dam with the height over 100m, as sanmenxia longgou ash dam

    粉煤灰具有孔隙比大、易液化等特點，建在高地震烈度區的三門峽龍溝灰壩已超過百米，在國內尚無先例，其抗震安全性與施工措施、設計指標的分析、研究具有深遠的科學意義與廣闊的應用前景。
  12. The unconfined compressive strength, shearing strength and permeabi lity of stabilized soils were tested in laboratory, the strength of contaminated composite soils sampled with different ph and soaped in corresponding ph were compared. the results from experiments indicate that there exists a certain relationship between the soft soil properties and the unconfined compressive of grouted soil. with the increase of water content, porosity ratio, degree of porosity, plasticity limit, liquid limit and liquid index, the compressive strength of cement - sodium silicate - stabilized soil decreases, while increases as the bulk weight and compressibility modulus

    通過對水泥?水玻璃加固土的無側限抗壓強度試驗，以及用不同酸堿性水製成與養護的固結土所進行強度對比試驗，得出軟土的物理力學性質指標與加固土的抗壓強度之間存在一定的相關關系，即隨著含水量、孔隙比、孔隙度、液塑限及液性指數的增加，水泥?水玻璃加固土的抗壓強度相應地降低；而隨著原狀土的容重、壓縮模量的增加，水泥土的抗壓強度也隨之增加。
  13. The key to calculate the moistening deformation is to work out the distribution of the water content. aiming to the collapsible accidents owing of leakage, this text establishs two - dimensional immersing model of collapsible loess and predicts the change of water content in loess subsoil. furthermore the text selects the stress path method to calculate the moistening deformation subjected to leakage, substituting compressing moduls for tangent moduls after taking cavity ratio and water content into account, putting forward the method to calculate the moistening deformation

    增濕變形的關鍵是研究含水量的變化，本文針對黃土地基由於漏水所引起的濕陷事故，建立了二維濕陷性黃土地基積水入滲模型，實現了對黃土地基含水量變化的預測，進一步選擇了分層總和法計算黃土地基增濕變形，考慮了含水量、孔隙比對模量的影響，以弦線模量取代壓縮模量，提出了計算增濕變形的計算方法，計算了由於漏水而引起的黃土地基增濕變形量。
  14. Suggest the method of division to measure the largest compacted dry density of dam ' s material with super large diameter approximately. according to the research of predecessor, suggest applying the effective void ratio or the effective void rate to compute the coefficient of permeability approximately

    採用了表面振動法進行室內最大幹密度的研究，提出了比例法近似測定超徑粗粒土最大幹密度；在前人研究的基礎上，提出採用有效孔隙率或有效孔隙比的滲透系數近似估算。
  15. The relation between rheological breaking ratio and plastic work is set up according to the equation relation between outer plastic work and energy of plastic deformation. it is helpful to the understanding of elasto - plastic constitutive relationship of rockfill and braking of particles. based on analysis of test result, in - site observation data, this paper put forward a quantitative relation between rheology and valley shape, rockfill mechanical parameters, such as dry density, compressive modulus, softening factor, pore ratio, etc. the main factors influencing the rheological behavior of rockfill can be classified into inner factors and outer factors

    堆石作為面板壩的主體，影響其流變的因素頗多且十分復雜，既有內因也有外因，根據試驗、原型觀測資料對內外因素所做的分析，本文提出了流變與河谷形狀等外因、流變與壩體常規物理力學指標等內因的定量關系和影響堆石流變的多因素綜合表達式，由此建立了堆石流變與堆石常規物理力學指標（如干密度、壓縮模量、軟化系數、孔隙比等等）之間的聯系。
  16. With the method of the lie group transformation, the symmetry of the equation governing one dimensional finite strain consolidation is discussed and, from the point of the symmetry, the feasibility to obtain the analytical solution of these nonlinear partial differential equations is discussed. where - after exact or approximate analytical solutions focused on different consolidation problems are obtained, these including : under some assumptions of relations of the void ratio with coefficient of permeability and effective stress, the method of lie group transformation is applied to solve the non - linear partial differential equation of large strain consolidation of homogenous saturated clay soil in semi - infinite domain with the consideration of the material and geometrical nonlinearity during consolidation procession. the implicit exact solution without considering the effect of self - weight of soil is obtained

    運用lie群變換方法討論了一維大應變非線性固結方程的對稱性，以及在該對稱性的意義下求解這類非線性偏微分方程解析解答的可能性，並就大應變非線性固結問題的多種情況求得了其完整的或者近似的解析解答，具體包括：基於有效應力與孔隙比以及滲透系數與孔隙比之間的關系的一些假定，採用李群變換求解考慮材料非線性和幾何非線性的半無限均質土體大變形固結非線性偏微分方程，得到了一個不考慮自重固結的完全解析解。
  17. The reliability of secant modulus method is validated in which final consolidation settlement is computed. the experience formula of coefficient of permeability ( k, 0 ) and pore ratio ( e ) is presented and the experience expression of coefficient of permeability ( k10 ) and strain ( ) is offered too. lt is important to modity the acquiring method of coefficient of consolidation, because the method embodies that strain and pressure of consolidation effect on coefficient of consolidation

    本文首先驗證了用割線模量法計算軟土地基最終固結沉降的可靠性；其次得到了滲透參數k _ （ 10 ）和孔隙比e的經驗關系，並且更進一步給出了滲透系數k _ （ 10 ）和應變之間的經驗公式，更重要的是對求取固結系數的方法給予了改進，該方法反映了固結系數隨應變和應固結壓力的變化規律。
  18. A model test was designed to simulate the consolidation process of warping soil, the validity of theoretical equation and the solution methods presented in this study. actual measurements for excess pore - pressure, void ratio and settlement - time curves all showed good agreement with the corresponding computed values

    將理論計算的超孔隙水壓力、孔隙比、沉降-時間曲線和根據實測數據計算的這些量進行比較分析，說明文中建立的滲壓作用下的有限應變固結理論模型及求解方法的合理性。
  19. The osmotic pressure test was developed to determine the unknown, finite strain consolidation coefficient and convection coefficient in the mathematical model. the two coefficients both varied with effective stress and depth and were functions of initial void ratio, compressibility, permeability and permeability derivative along depth. a precise time step integration method was proposed to solve the finite strain osmotic consolidation equation with varied coefficients

    設計滲壓固結試驗確定理論模型中的待定系數有限應變固結系數和有限應變固結對流項系數，這兩個系數均為隨有效應力和土層深度變化的量，並且體現軟土初始孔隙比，壓縮性、滲透性及其沿深度變化等因素的綜合影響。
  20. The main dynamic parameter of the subsoil is the dynamic shear modulus. base on the data of the experiments, analyzing the relationship between the dynamic shear modulus and the characteristic parameters such as the density, the water content and the shear distortion, the expression of the dynamic shear modulus of the subsoil is picked out

    地基土的主要動力參數為土的動剪切模量，而利用實驗所得的數據，分析動剪切模量g與地基土的干密度（孔隙比） 、含水量以及地基土的剪切變形等參數之間的關系，就可以得到地基土的動剪切模量的表達式。
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