時不變滲流 的英文怎麼說
中文拼音 [shíbùbiànshènliú]
時不變滲流
英文
time-invariant seepage-
The thesis built the relation between containing water and the properties of trail dam ' s soil by geomechanical properties of trail dam ' s soil ; analysed the seep rule of water in the trail dam ' s field and the change of soakage line. the thesis applied the limited element to analyze the trail dam of baogang by the engineering item in production. it calculates the dynamic and static response about the dam using the numerical simulation method
本文通過大量的尾礦土物理力學性質試驗資料，建立了含水量與尾礦土性質之間關系曲線；分析了水在尾礦壩區的滲流規律和不同標高時浸潤線的變化情況，為分析尾礦壩的穩定性提供依據；結合生產上的工程項目，從包鋼尾礦壩的穩定性研究入手，應用有限元法，通過數值模擬分析了水對尾礦壩的靜力、動力穩定性影響。In the simulation of close water test, varied profiles of velocity of flow are obtained at different leakage location along the detected pipe, the variety values of the water level in the check well are acquired with time, consequently the location of the leakage can be judged
在閉水試驗時，通過模擬沿管道長度方向上不同滲水點的流速的變化，以及得出窨井出口處的水位隨時間的變化值，來判斷管段中最有可能出現滲漏點的位置。Laws about volumetric moisture content changes and wetting deformation in unsaturated zone are analysed according to different rainfall intensities and duration by saturated - unsaturated seepage theory in this text
摘要運用非飽和滲流理論分析了不同降雨強度和降雨持續時間對土壩非飽和區含水率變化規律。Then it follows that under stable seepage the water pressure outside the foundation pit is reduced with a little change of the total horizontal pressure, while the water pressure inside the foundation pit is increased with a great change of the total horizontal pressure
針對這一情況，利用流網分析了在基坑周圍存在穩定滲流時支護結構上水土壓力的變化，並對其變化進行了分析與對比計算，得出繞支護結構的穩定滲流減小了主動側的水壓力，但總的水平壓力變化不大；被動側的水壓力有所增加，但總的水平壓力減小較多。11 can be a subsurface runoff parameterization with water storage and recharge based on the boussinesq - storage equation 625 written as 11 ee sineee sine. nnnnktaxbtnnuxktbtnsknnktbtaxnnuxktbtnsknnhxtwfnxhkbwfnxhkb letting t tend to infinity, one can get the steady aquifer function hs 13 : 1 sinee. uxaxnsksnnnfnhxxhkb multiplying through by the specific yield, f, and in - tegrating with respect to x between 0 and l gives the drainable storage associated with this steady - state free surface
下面考慮整個潛水面的一種穩定狀態，也就是是對于任意一個恆定的入滲，當時間時潛水面將達到穩定的狀態不再發生變化，這個時候顯然有， 0 ， . sntnt t ， ssqnl也就是入滲補充量等於地下徑流量And takes the method of passing electricity in wet environment to carry on the reinforcement corrosion acceleration to the reinforced concrete, and uses the linear polarization method to carry on the test to the polarized resistance and corrosion current density of the steel bar flowed through by electricity at different time, analyzing the rule of the change of the reinforcement corrosion parameters, and test the chloride ion diffusion coefficient to evaluate the impermeability of the concrete
本文以不同水灰比、不同含氣量、不同引氣劑的鋼筋混凝土為研究對象，採用濕通電法對鋼筋混凝土進行加速銹蝕，同時採用線性極化法對不同通電時間的極化電阻和腐蝕電流密度進行測試，分析銹蝕參數的變化規律，並通過測定cl -擴散系數來評價其抗滲性。Eddy current testing is a method suitable for testing changes occurred in the surface or subsurface of specimen. when using this method to test carburized components, the variable of eddy current signal is depend on the change of constituents " physical property in carburized layer. so it can be used to test carburized components nondestructively
渦流檢測是一種適用於試件表面和近表面變化的檢測方法，利用渦流方法檢測滲碳件時，渦流檢測信號的變化主要取決于滲碳層組織的物理特性的變化，所以渦流檢測方法可以對金屬表面滲碳層深度進行檢測而不構成任何破壞。First, according to the demand of vimp for resin system, the reaction kinetics and rheological of up resin are investigated and the optimal content of low additive profile ( lpa ) is determined. then vimp based on a high - permeable medium and grooves are studied by visual experiments, through which the appropriate high - permeable mediums are selected and the parameters of width, depth and spacing for flow grooves and spacing for supply grooves are optimized. furthermore, various factors affecting the mold filling process are discussed and the whole vacuum infusion procedures are described taking examples of the manufacture of a model boat and a sandwich panel in one infusion
文中首先根據vimp對樹脂體系的要求，對vimp用不飽和聚酯樹脂體系的動力學和流變學性能進行了研究，確定了最佳低收縮添加劑的含量；對高滲透介質型和溝槽型vimp開展了實驗研究，通過可視化實驗優選出較好的高滲透介質，確定了引流槽的寬度、深度和槽間距及主槽的槽間距等工藝參數並進行了優化；對影響充模過程的各種因素進行了詳細的討論，並以模型船和夾芯面板的製作為實例描述了兩種vimp的成型過程；在實驗的基礎上，建立了二維滲漏模型，採用控制體有限元法對高滲透介質型vimp進行了成型過程的計算機模擬計算，通過充模時間和流動前峰的計算值與實驗結果的比較，驗證本文所採用的數學模型和數值方法的正確性，其結果對實際生產具有一定的理論指導意義。The stability analysis for the seepage is one of the most important steps in the design of rock - fill dam. the wrong designs or doings of the dam body, seepage of foundation or by - pass seepage would cause the body or foundations to deform or even breach the dam
對土石壩壩體、壩基滲流，或壩肩繞壩滲流設計不當或出現問題而處理不及時，都可能導致壩體、壩基產生危害性的滲透變形，引起潰壩。In this paper, hydromechanical theories, three - dimensional unsteady turbulent finite volume model and pheonics software are adopted to simulate the pressure field and the velocity field of the drainage pipe in allusion to the actuality of the necessary pressurization test before being used. then analyze the computational results and figure out the variational rules of pressure and velocity with different leakage location while close water test or close gas test is applied
本文針對無壓管道交付使用前必須進行嚴密性試驗的現狀，運用流體力學基本理論和三維非穩態紊流的有限體積模型，採用pheonics計算軟體，數值模擬不同管徑下不同漏水點的滲漏情況，模擬閉水和閉氣試驗時管道內部的壓強場和速度場的變化，並分析計算結果，從中找出其變化規律。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This model not only could bring the efficiency and accuracy of fem into full play but also could utilize the rich experience in using the method of slices. at last, the influence on stability of various factors when water level falls has been analyzed. furthermore, as stresses in the stress field influence the value of seepage coefficient, which will results in the change of seepage field in the end, while on the other hand, the seepage field also has an effect on the stress field because of seepage forces
此外，考慮到應力場中的應力會改變土體滲透系數進而影響滲流場，而滲流場也因其產生的滲透力會導致應力場發生變化，兩者之間存在耦合作用，針對某一具體算例，通過ansys軟體和自編程序，分別對不考慮應力影響下的滲流場和不考慮滲流影響下的應力場以及兩場相互耦合時的穩定性進行了研究，得出了一定規律。Based on geological radar penetrating practice for soil and stone dam hidden dangers of reservoirs in northwestern loess areas and from the variations of the disturbance, pore ratios and water contents of the soil bodies in the percolation positions, the authors analyzed the variations of geological waveform characteristics and waveform phase axis continuation, and summed up the graph characteristics of the percolation hidden dangers in different periods
摘要通過西北黃土地區水庫土石壩滲流隱患探地雷達探測實踐，從滲流部位的土體擾動、空隙比、含水量的變化入手，分析探地雷達波形特徵變化、波形同相軸連續性的變化，總結了滲流隱患不同時期的探地雷達圖像特徵。For the complex topographical tailings dam, neither the complicated and changeable seepage field nor the action of three direction seepage factors at the same time can be fully reflected in the two - dimension model ; as a result the real seepage field cannot be acquired
摘要對于復雜地形的尾礦壩，由於二維模型不能充分反映復雜多變的滲流域，也不能考慮到三個方向滲流因素同時作用的影響，從而無法體現真正的滲流場。分享友人