soil pore 中文意思是什麼
soil pore
解釋
土壤孔隙-
Different situations, single - pile raft, four - pile raft and nine - pile raft, are calculated with cpri. with the computing results, the variation of the raft settlement, pile counterforce, soil counterforce and pore pressure at different time are analyzed, which agree with the general rule and show the contribution of soil consolidation on the interaction
本文利用cpri分別對單樁承臺、四樁承臺和九樁承臺的工作性狀進行了計算分析，模擬樁基的沉降發展過程和不同時刻土體中的孔壓、樁身荷載、承臺底面土體反力的變化，分析了群樁承臺的荷載在各樁頂的分佈。 -
Soil quality. determination of pore water pressure. tensiometer method
土質.孔隙水壓的測定.拉力計法 -
This coupling action between the rheology of soil and the dissipation of excess pore pressure demonstrates that it is not reasonable to factitiously divide the process of consolidation into two independent ones, i. e. primary consolidation and secondary consolidation
這種耦合作用說明了把固結過程人為地劃分成主固結和次固結兩個相對獨立的過程是欠合理的。 -
The dispersibility as well as seepage distortion and salt transference under long - term seepage condition of soil samples obtained from the clay core wall in xijiao and sanping reservoirs were studied by physical and chemical properties of soil and composition of clay mineral and the tests for identification of dispersive clay soils which included double - hydrometer test, pinhole test, crumb test, tests to defermine salt content of pore water and percentage of exchangeable sodium
摘要應用碎塊、針孔、雙比重計、孔隙水可溶鹽和交換性鈉百分比等五種試驗方法，結合物理化學性質和礦物成分分析，對西郊、三坪兩水庫大壩心墻土樣進行了多種方案的分散性試驗及長期滲流條件下的滲透變形試驗和鹽分運移試驗。 -
The deformable framework is made up of soil particles, the pore space is filled with flowable liquid and gas
土體顆粒組成的孔隙結構構成可變形骨架，以變形為其運動學特徵;流體充滿互相連通的孔隙，以流動為特徵。 -
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 -
Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled
（ 2 ）利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究，通過分析正弦荷載作用下的試驗資料，驗證了粉土的孔隙水壓力增長模式的合理性；從微分方程推導了基於土體振動臺模型試驗的相似律，並從模型實體、孔壓時程曲線和相似律等方面做出了分析，得出了如下結論：在小型振動臺試驗中，模型箱中的粉土都發生了液化，液化的時刻和輸入加速度幅值有關，而對頻率的變化不太敏感；粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化；孔壓的增長曲線形狀與施加的荷載有關：當施加荷載為由小到大的形式時，曲線形狀為上凹的曲線；當施加荷載為等幅的正弦荷載或荷載幅值由大到小時，曲線形狀為上凸的曲線，且逐漸趨于穩定。 -
And it should be ascribed to silt according to the view of its mineral composition, particles distribution, physical and mechanical indices. not only is the content of cla > relatively high, but also the exchange capacity of ion, chiefly high - electronvalent calcareous ion, is great. due to aggregations filled with pore among inter - particles, the soil has the engineering properties of silty clay
從其礦物成分、顆分試驗及物理力學指標來看，它應歸屬于粉土，但由於土中的粘粒含量較高，且粒間充填集聚體，土的離子交換容量較大，交換陽離子以高價鈣離子為主，故其仍表現出粉質粘土的工程特性。 -
Then, the relationship between effect of cement content on the structural formation and the increase of the strengths of the stabilized soils with various cement contents was analyzed, and it was shown that the structural formation of stabilized soil consisted of soil particle cementing and pore filling
在此基礎上，對水泥含量不同時，水泥在固化土結構形成過程中所起不同作用及其與水泥土抗壓強度增長規律相互關系進行了分析，提出固化土結構形成由固化劑膠結土顆粒與填充孔隙兩部分構成。 -
The phase change of soil moisture and inflation of the frozen moisture c ause the reduction of hydraulic conductivity by reducing the area of flow section and the aperture of soil pore space, increasing the capillary resisting force to soil moisture, and decreasing the water potential gradient because of the increasing of movement distances of soil water
導水率減小是凍結土壤入滲能力減小的根本原因，而土壤中液態水的相變是導水率減小的根源所在。土壤水分的相變及其膨脹通過減小土壤水分過水斷面面積和孔隙孔徑，增大阻力和由於增長運動距離而減小水勢梯度使凍結土壤的導水率降低。 -
( 6 ) in agroforestry and contour hedgerow treatments, soil structure and soil texture is improved with soil bulk density decreasing and soil porosity and capillary pore increasing. finally, water - holding capacity is improved. ( 7 ) soil loss in small plots of comprehensive management treatments is significantly lower than that in control
… ）實施農林復合經營和生物籬埂技術可明顯的改善土壤結構，降低土壤容重，增加上壤總孔隙度和毛管孔隙度，從而提高土壤的保水持水性能。 -
Based on the foundation " liquefaction test study on the rapid railroad bed " supported by the railway department, some works on the liquefaction of silty soils have been carried out. in this dissertation, after making a short review of the works on seismically induced soil liquefaction, some research results are presented, which include the following contents. ( 1 ) depending on the dynamic triaxial test, the liquefaction strength of the silty soils is studied and two new models are proposed to evaluate the pore water pressure and the strain of the saturated silty soils during earthquake
結合鐵道部發展基金項目： 「高速鐵道液化土地基試驗測試研究」 ，本論文概括總結了地震液化的研究現狀，就滬蓉高速鐵路徐州段可液化場地粉土地基的液化特性問題開展了一些研究工作，內容如下： （ 1 ）提出了基於實用目的的粉土的孔隙水壓力增長模式和永久應變勢計算模型，並把此兩模型應用於場地的地震反應分析和地震液化性能的評價中；依靠循環振動三軸試驗技術，對粉土地基的地震液化強度進行了試驗研究；驗證了密實度是粉土液化的重要影響因素。 -
When earth pressures are calculated by the shear strength parameters of cu, the way water - soil calculating separately is best, which should involve the influences of excess pore water pressure through the total stress unloading strength parameters of cu
當採用固結不排水抗剪強度指標計算土壓力時，最好採用水土分算的計算方法，計算時可以通過三軸固結不排水總應力強度指標將超靜孔隙水壓力的影響考慮在其中，但此時最好採用卸載強度指標。 -
The calculating results of laboratory tests demonstrate that the model can simulate the yield pressure of structure soil, the deformation and pore pressure during loading, the dr
堆土預壓試驗還表明，對26m厚淤泥質粘土用30m深的塑料排水板是可行的。 -
Soil improvers and growing media - determination of physical properties - dry bulk density, air volume, water volume, shrinkage value and total pore space
土壤改良劑和生長劑.物理特性的測定.毛體積干密度空氣量水量收縮值和總孔容 -
The change of big pore section shape has more influence on soil water movement, but in small pore channels, the influence is small, in addition of pore section shape, it can get better prediction of unsaturated hydraulic conductivity
粗大孔隙通道的截面形狀及變化對水分運動影響較大，較細空隙通道截面的形狀對水分運動影響較小。修正孔隙截面形狀對水分運動的影響，進一步考慮孔隙截面形狀因子對土壤水分運動的影響，可以得到對土壤水分運動參數更正確地預測。 -
The test study change of the soil pressure, the touch pressure between pipe and soil, pore pressure, the movement of depth soil, the underwater level and the deformation of earth surface in process of pipe jacking
研究了頂管施工過程中引起的土壓力、土體與管壁的接觸壓力、孔隙水壓力、深層土體位移、地下水位的變化以及地表變形等的影響。 -
5. to describe soil water movement with fractal model. the effect of soil pore radius and pore connectivity on soil water movement was studied. in addition of pore connectivity, the prediction of unsaturated hydraulic conductivity is more improved in low water content
將新的土壤結構分形維數應用於對土壤水分運動參數的描述，使飽和導水率和非飽和導水率預測的準確性有了很大程度地提高。 -
In low matric potential state, the a & p model can be use to predict water retention characteristics, but in high matric potential state, it cannot get good result. in addition of soil pore connectivity, to correct the a & p model, it can get good result in whole water content range
但在高吸力段a & p模型預測的結果與實際偏差較大，考慮到土壤孔隙實際聯通狀況，修正a & p模型，使供試的四種在整個含水量范圍對土壤水分特徵曲線都得到了較好的擬合。 -
4. the soil structure fractal dimension ( ds ) is defined to describe to soil pore connectivity. when the ds is smaller than the dp, soil pore connectivity is change better, when the a is bigger than the dp, soil pore connectivity is change worse. the ds and difference between the ds and the dp is sensitive to the variety of soil structure, they can be use to describe the variety of soil structure
土壤結構分形維數d _ s與其粒徑分佈分形維數d _ p的差值對不同質地的土壤水分特徵曲線的變化是十分敏感的， d _ s和為土壤結構的定量化描述提供了兩個全新的指標， d _ s反映了不同質地土壤的結構狀況，反映同種質地土壤的結構變化。
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