water permeability coefficient 中文意思是什麼

water permeability coefficient 解釋
水滲透系數
  • water : n 1 水；雨水；露；〈常作 pl 〉 礦泉，溫泉；藥水。2 〈常 pl 〉水體；水域；水道；海；湖；河；海域；...
  • permeability : n. 1. 透過性，可透性，滲透性；滲蝕度；【航空】（氣球氣體的）透出量。2. 【物理學】磁導率，磁導系數（＝magnetic permeability）。
  • coefficient : adj. 共同作用的。n. 1. 共同作用；協同因素。2. 【數，物】系數，率；程度。
  1. ( 2 ) when tunnel water is blocked up fully behind the lining, water pressure on the lining will reach maximum at last so long as surrounding rock near the lining is infiltrative no mattter how much the permeability coefficient of surrounding rock is

    （ 2 ）隧道採用完全不排水措施時，只要襯砌附近的圍巖滲水，襯砌背後與含水圍巖有水力聯系，不論滲透系數多大，襯砌背後最終水壓會達到靜水壓，計算時水壓不宜折減。
  2. The rule about water flow in the unsaturated soil and the soil - water characteristic curve are described in this thesis in the first time step during the numerical simulation, the permeability coefficient is calculated according to the initial water content of the unsaturated soil, because of as shown in the soil - water characteristic curve has the hysteresis phenomenon

    闡述了非飽和土中水流動的基本規律和土水特徵曲線。由於土水特徵曲線具有滯后的特點，提出了根據初始含水量來確定數值模擬初始時步非飽和土的滲透系數。
  3. Permeability coefficient tested by tension method is about 10 times of that by pressure method, which indicates that water can permeate into concrete easily under tension

    通過研究張力法下水在混凝土中的滲透發現:水在張力法下更容易滲透，張力法下的滲透系數比水壓法下大一個數量級。
  4. Permeability of concrete and its correlation with chloride ion diffusion coefficient under different test conditions including water pressure method and tension method are studied

    本課題主要研究混凝土在水壓法及張力法試驗條件下水在混凝土中的滲透行為以及同氯離子擴散系數相關性。
  5. Water pressure method can distinguish permeability of concrete with different strength or air content, and penetration length or permeability coefficient has good correlation with chloride ion diffusion coefficient. tension method also can distinguish permeability of different concrete, but it has discreteness compared with water pressure method

    通過研究水壓法對于不同滲透性混凝土發現:水壓法能夠較好的區分不同強度、不同含氣量的混凝土的滲透性，滲透高度及滲透系數與氯離子擴散系數的相關性較好。
  6. Water permeability coefficient

    水滲透系數
  7. Secondly, grounded on the study of the distribution of the high external waterpressure and high geostress and the characteristic of the rock in engineering area, the paper built the elastoplastic fem numerical simulation model, and think over the procedure in tunnels excavation and the history of work of water load, and then get the relations between the different tunnels diameter, different permeability coefficient and depth of the grouting rock and the deformation, stress distribution and plastic range of the surrounding rock and support structure. finally, according to the modern design theory of tunnels construction, the particular design of country rock reinforcement and support structure are researched and presented for diversion tunnels

    接著，本文在深入研究工程區高外水壓力及高地應力分佈規律及巖體特性的基礎上，建立起高地應力、高外水壓力作用下隧洞圍巖結構非線性有限元模擬計算模型，然後考慮隧洞的開挖過程、水荷載的作用歷史，通過計算分析得出了不同洞徑、不同的灌漿圈滲透系數和不同的灌漿圈深度以及不同開挖過程與圍巖及支護結構的應力、位移和塑性區的關系。
  8. Through much analysis of laboratory experiments, this paper reach the conclusion that aggregate gradation, degree of compaction, water cement ratio and magnitude of cement are the main factors that influence the coefficient of permeability and the compressive resilience modulus of high air void cement - stabilized crushed stone mixture

    本文通過大量的室內試驗發現，集料級配組成、壓實度、水灰比和水泥用量是影響大孔隙水泥穩定碎石混合料滲透系數和抗壓回彈模量的主要因素。
  9. When the stress acted on concrete specimens exceed 60 % of ultimate compressive strength, the coefficient ( k ) will increase obviously but the largest change is still within the order of 10 - 9 cm / s. the time - dependant characteristic can be expressed by the function k = ( a + ct ) / ( l + bt ). the coefficient k decreased significantly in the first 40 ~ 60 hours of the water permeability test, and the decreasing rate became slow as the time goes on

    混凝土的滲透穩定性則表現為滲透系數會隨滲透時間增加而減小，減小的趨勢是起初的40 60小時內下降最快，其後愈來愈平緩，其規律可用公式k = （ a + ct ） （ 1 + bt ）來表示。
  10. The condition of water pressure acting on the both sides of cement - soil retaining wall is researched by computing the seepage field around the wall. it is illustrated that the coefficient of water pressure, which isn ' t constant along the height, is affected seriously by some factors, e. g., the distribution and relative hydraulic permeability of the soil beside the wall, the hydraulic permeability of its foundation, and the buried depth of the impervious layer. as a whole, the lateral pressure acting on the wall based on seepage is always smaller than that without regard to seepage in the non - excavated zone. moreover, the pressure based on seepage is greater than that without regard to seepage in the excavated zone if the coefficient of passive pressure is smaller than 1. 176. this case is of great advantage to the stability of the wall

    通過計算水泥土擋土墻周圍的滲流場，研究了墻側水壓力的變化規律.結果表明：水壓力系數沿高程並非常數，且受到墻側土層分佈及其相對透水性、墻基土的透水性和下臥不透水層埋深等因素的嚴重影響.總體來說，考慮滲流時墻后的側壓力總小於不考慮滲流時的相應值，且當墻前的被動土壓力系數較小時，考慮滲流時該側的側壓力則大於不考慮滲流時的相應值，因此，這種情況有利於擋土墻的穩定
  11. The main results of the paper are as follows : ( 1 ) the permeability coefficient of surrounding rock and drainage quantity of tunnel are two decisive factors of external water load of tunnel lining

    本論文的主要結論是： （ 1 ）隧道襯砌外水荷載大小主要由圍巖（注漿圈）滲透系數和襯砌背後排水量決定。
  12. Soil - investigation and testing ; determination of the coefficient of water permeability - part 1 : laboratory tests

    土壤.研究和測試.透水性系數的測定.第1部分:實驗室試
  13. With reference to research of the logging interpretation model, it should exploit fully logging datum and the results of well core experimental analysis which was existed and analyze the relationship between the quality parameter of well core materiality and brothel log, which should further be understood in porosity, coefficient of permeability and water degree of saturation in well - core graduation

    對于測井解釋模型的研究，充分利用已有的測井數據和巖芯實驗分析結果，分析巖芯物性參數與測井曲線間關系，對測井曲線作孔隙度、滲透率、含水飽和度參數的巖芯刻度。
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