限含水層 的英文怎麼說
中文拼音 [xiànhánshuǐcéng]
限含水層
英文
confined aquifer-
Finally, the stress and strain distributions of dam foundation in which there have glacis weak surfaces are studied by means of nonlinear fem. with deducing parameters of weak surfaces gradually, stability of the dam against deep sliding is verified. therefore safety of dam and foundation would be estimated
5 、運用非線性有限元法研究了東張水庫重力壩含有緩傾角軟弱夾層的壩基應力、應變情況，用逐步降低夾層材料參數的方法核算大壩的抗滑穩定，以此評價大壩及壩基的安全性。Standard test method for determining transmissivity and storage coefficient of bounded, nonleaky, confined aquifers
測定有限的，非越流性，封閉含水層透射率和蓄水系數的標準試驗方法Standard test method analytical procedure for determining the efficiency of a production well in a confined aquifer from a constant rate pumping test
通過一連續比率的泵試驗對限制性含水層內生產井效率測定的標準試驗方法Through summarization for complicated geohydrology and engineering geology condition of research area, the non - stability 3 - dimension flow model of ground water and land subsidence model were established in this thesis. the coupled models of ground water and land subsidence were combined with a large series of water level observation and land subsidence information to debug the parameters and ascertain the models
兩者通過含水層的水位內在聯系耦合在一起，並根據研究區水文地質條件及抽水試驗資料，結合大量的水位觀測序列資料及地面沉降觀測資料對模型進行調參，標定地下熱水運移的三維有限元數值模型，所建模型可以對地下水水位及地面沉降同時進行模擬預測。This paper investigates the pressure sensitivity of an interferometric fiber - optic hydrophone element with a concentric mandrel including an enhanced sensitivity layer based on the theory of elastic mechanics and finite element method ( fem ) and then investigates its harmonic frequency and vertical directional property using fem, and verifies all the results derived from theoretic analysis at last
本文分別基於彈性力學的理論和有限元的方法對含彈性增敏層的同軸干涉型光纖水聽器基元的聲壓靈敏度進行研究，並基於有限元的方法對其諧振頻率和垂直指向性進行分析，最後用實驗對各項分析結果進行了驗證。Abstract : a dispersion test is carried out in field in order to get the dispersion parameters of the shallow aquifer. fem model is used to simulate the dispersion process in the test area
文摘:通過現場彌散試驗測定淺層含水層的水動力彌散參數，用有限分析法模型模擬彌散試驗場，為建立濱州市淺層地下水溶質運移模型提供依據。From experimental result, i preliminarily know that eps is good thermal insulation material because the absorption of water is low and heat insulation is good, it is practicable at preserving temperature field of frozen earth roadbed and bringing frozen disaster under control ; second, according to the analysis of the eps that is applied into practical project, i have studied the practical effect which eps preserve roadbed temperature field, and the influence that was made after building field. i have get that eps can influence moisture content and frozen upper limit, through practical measuring data, i have studied freezing and expanding quantity and melting and submerging quantity during a complete frozen and melting cycle as well as have expanded and proved the practical application effect of eps with some reference significance to deep research of some connected problems. finally, through computer data analysis, setting up the analytical model of finite unit, i have simulated the temperature field of roadbed heat preservation, then expounded and proved that the height of embankment influenced the effect of thermal insulation material
其一是對聚苯乙烯泡沫塑料（ eps ）保溫板以及天然路基土層、路堤填料進行了室內試驗分析，結合國內外現在的有關科研成果，綜合確定其各項特徵參數；從試驗結果初步認識到聚苯乙烯泡沫塑料是一種吸水率低，隔熱性好的保溫材料，在凍土路基溫度場的保護和凍害治理方面是可行的；其二通過eps保溫板在現場工程實踐中的應用分析，研究了保溫板在保護路基土層溫度場的實際效果以及修築路堤后造成的影響，保溫板對土體含水量、凍結上限的影響，通過實測資料，研究了在一個完整的凍融周期內整個路基的凍脹量和融沉變形量，論證了保溫板的實際應用效果，對有關問題的進一步研究和相關工程設計具有參考意義；其三，通過計算機數值分析，建立有限元分析模型，對保溫路基的溫度場進行了模擬計算，論證了路堤高度對保溫材料效果的影響。The experiments show that the main origins of causing the oil and water zones complicated in the study area on the one hand is pore structure, fine particle size and shale content high, resulting in saturation of irreducible water of the reservoirs varying greatly, on the other hand is mud invasion influence, resulting in the reservoir receptivity decreasing, and the third is the thin bed is restricted by logging resolution, resulting in measure value influenced by the bed thickness
研究得出，研究區復雜油水層主要成因一是儲層孔隙結構復雜，巖性細，泥質含量高，導致儲層束縛水飽和度變化大；二是泥漿侵入影響，導致油層電阻率降低；三是薄層受測井分辨能力的限制，其測量值受層厚影響。Take middle - east district of taipusi banner as study area in the paper, combining field observation test ( pumping test and field survey ) with indoor experiment ( granule analysis and organic matter analysis etc ), based on the relationship between hydrological parameters and physical - chemistry characteristic parameters of formation, the variability of aquifer parameters and physical - chemistry parameters of unsaturated zone have been also analyzed. the aquifer system of the taipusi banner is identified and analyzed by using the internal and outside information. on the basis of real pumping of ground water, the water resources evaluated by the water balance method
本文以太僕寺旗中東部地區為研究區域，採用野外試驗（抽水試驗、實地調查）和室內實驗（顆分、有機質等實驗）相結合的方法，推求了研究區含水層系統的水文水利參數，在系統模擬含水層水理參數與巖性物理化學特徵參數之間的關系基礎上，進一步分析了含水層參數及其包氣帶的物理、化學特徵參數的空間變化特徵，並利用其內外部信息對太僕寺旗含水層系統進行了辯識與分析；以現狀地下水開采量為依據，採用水均衡法評價了研究區水資源總量，並利用有限單元法來模擬分析驗證。The thesis was written under the direction of dynamic theory of forming reservoir, follows the rules of comprehensive information, judgment, interpretation and assessment and even makes full use of outcrop geology, data from drilling and logging, data from laboratory analysis and achievements in geophysical exploration. considering the basic factors of forming reservoir in the south of ordos basin as the starting point, the thesis defines that yanchang group of triassic goes into the start of generating oil in the late period of mid - jurassic and that the largest oil generation peaks in the middle period of early cretaceous, after the analogue - history of hydrocarbon generation. meanwhile it also establishes the relationship between the evolution of oil and gas and the formation of traps, the time of oil exploration
本文以成藏動力學理論為指導，本著綜合信息、綜合判斷、綜合解釋、綜合評價的原則，充分利用露頭地質，鉆測井資料，實驗分析資料及物化探成果，以鄂爾多斯盆地南部的基本成藏要素為出發點，通過生烴史模擬，確定了三疊系延長組在中侏羅晚期（ 150ma ）進入生油門限，于早白堊世中期達到最大生油高峰期；同時並確立了油氣演化與圈閉形成、捕油時間的關系；通過流體勢的全區計算，提出了該區油勢具有明顯的「雙層」結構特徵，並建立了以靜水壓力為主的重力流系統和以差異壓實作用為主的壓實流系統的流體動力分佈模型；通過成藏動力學系統的劃分及事件分析，探討了該地區油氣聚集規律，最終指出了有利的含油氣遠景區。In the light of its special property being not easy to gain strength, through mechanics researches on different methods to stabilize this kind of low _ liquid _ limit silty soil as subbase material, evaluated both technically and economically, we have got a cement lime stabilization plan to meet the index requirements for non _ side _ limit strength of compression of subbase of class2 road stipulated in the specification ; by means of improving the workmanship, thickening the loose layer of soil, adding soil on covering weave fabric before compaction, such problems can be solved as very poor compaction, loose surface during compaction, roughness and unevenness, coats of layer and shear damages
本文針對黃河沖積而成的低液限粉土其粘粒含量極低、土的不均勻系數很小、膠體活性差的工程特性，通過採用不同方法穩定該類土作底基層材料的力學性能研究，從技術、經濟角度綜合評價，得到滿足規范抗壓強度指標要求的水泥石灰穩定方案。通過對原材料、試驗配合比設計、施工、等方面進行優化，從而顯著減輕了基層的早期及長期縮裂程度，從而提高了路面的耐久性。Moisture, the voids and the density of the pavement are expected for many operators in the road department. in order to promote the application of gpr to detect pavement quality as quickly as possible, in this paper some research works were zone. the mainly research results includes the following aspects : ( 1 ) since the dielectric constants of pavement medium have important influence on radar detection results, dielectric properties of pavement layers materials are analyzed for the design of practical gpr system and field application
目前探地雷達在公路上的應用還主要局限於路面結構層厚度的檢測，對路基路面物理力學指標的無損檢測被廣大公路工作者寄予厚望，這一技術的應用還有很多的工作要做，為了使其早日應用於實際，實現探地雷達對路面含水量、空隙率和壓實度的快速無損檢測，本文具體做了以下的一些工作： （ 1 ）鑒于介電常數對探地雷達檢測的重要影響，對路面結構材料的介電特性進行深入分析，為路用探地雷達的實際應用測量提供理論依據。This paper effectively deals with water inflow for excavated and cast - in - place pile under water with the constrained condition and strata of large water content during the course of forming hole and casting pile by using triple tubes directional jet as waterproof curtain, to decrease the compression for river channel, and ensure safety and quality in the phase of construction
摘要針對水中施工挖孔樁，條件受到限制、地層中含水量較大，為盡可能避免造成對河道的佔用與影響，採用三重管定噴技術做止水帷幕，有效地解決了成孔成樁過程中涌水等問題，保證了工程施工的安全與質量。The study solves engineering problem as follows : ( 1 ) the systematic study on the historical course of xigeda strata deposit and geologic environment includes strata, lithologic characters and constitution et in the liangshan and panzhihua region. the results show that the xichang - panzhihua express way is controlled by the anninghe fault and the xigeda fault, the earthquake frequently happen in the region of pass, the different sedimentation number is more great, they effect the road building, safety in operation and structure belong road ( 2 ) because in some place the xigeda strata is foundation and roadbed, the study on the basic properties of the xigeda strata include density, moisture content plastic and liquid limit graduation. the results show that the xigeda strata is deposition in lake, the main component is mudstone and sandstone, the fine particle is main, it has some viscosity, the moisture content of mudstone is different the it of sandstone, the other property are likeness. the xigeda strata has no dilatation on total, some claystone have low and medium dilatation ; ( 3 ) the study on the basic properties of xigeda filler include the composition of matter the biggest standard dry density, the optimum moisture content the results show that xigeda filler can use as road material, it is well grade filler and admixture filler on essence, its compaction index should change in different place because the property is controlled by mudstone and sandstone that change is great in different place ; ( 4 ) the study on the xigeda filler craft used as express way roadbed, includes suitable thickness, compaction numbers and methods and equipment choice et
公路沿線廣泛分佈有昔格達地層，昔格達地層能否用作高速公路路基填料，國內沒有先例，本論文就是結合導師的科研項目，在非典期間，現場長達5個月的工作，完成了從試驗、現場施工工藝到路堤分層沉降監測等工作，是面對生產實際，認識昔格達地層的性質和其作為地基、路基和填料應用中面臨的問題進行的研究。主要的研究內容有：對攀西地區地層巖性、構造等地質環境和昔格達地層的沉積歷史過程作了系統的分析，研究表明西攀高速公路主要受安寧河斷裂和昔格達斷裂影響，通過地區地震活動頻繁，差異沉降較大，對公路建設、安全運行和沿線構築物設計有較大影響；由於昔格達地層在有些路段作為地基、有些作為路基，對其基本性質進行了研究：包括天然密度、含水量、塑液限、顆粒級配等指標的試驗研究。研究成果表明：昔格達地層為湖相沉積，主要為砂巖和泥巖，它以細粒組為主，同時粘粒的存在，使其具有一定粘性。During the temperature of 360410, the weight lose was aboutl. 8 % of both sample a and sample b. the calculating result of n ( water molecular number ) was n = 1. 59 ( sample a ), n = 1. 79 ( sample b ) respectively. li + ion storage properties in xos xerogel films were related to the content of v5 + ion and the situation number that li + ion were capable to hold
干凝膠的離子儲存能力受到薄膜中vk離子的含量和理離子可占據的總位置數限制，熱處理溫度對理離子的儲存性有一定的影響：低溫時，由於凝膠薄膜中層間水的脫出，有利於注理量的提高；高溫時，有v坍離子產生，不利於注理量的提高。After introducing the main approaches briefly, this paper summarizes and contrast them. it lay emphasis on the research of galerkin fem equations for multiaquifers and its solution, and on the research of basic ideas and implementation of visual mesh auto - generation 。 with an in - depth study on automatic mesh generation dividingtechnology of finite element, computer image processing techniques and visual scientific calculation technology, and under thebased on windows 2000 platform, we work out the foreground programs using visual basic 6. 0 from microsoft, which possesses friendly programming environment and abounding graph function, while the background programs are accomplished using the powerful function of data base and chain table of delphi 6. 0 from borland
重點研究了潛水? ?承壓水多層結構含水層系統的伽遼金fem方程，並探討了其數值解法，提出了基於可視化理念的fem剖分軟體系統設計的基本思想及其實現的方法。在深入研究有限元自動剖分技術、計算機圖形處理技術和科學計算可視化技術的基礎上，在windows2000平臺下，採用microsoft公司的visualbasic6 . 0與borland公司的delphi6 . 0混合編程，利用vb友好的編程環境和豐富的圖形函數來編制前臺程序，而後臺程序則利用delphi強大的數據庫功能和鏈表功能來完成。A finite element analysis ( fea ) was eventually conducted, using mori - tanaka model and j - integral, to further explain the toughening mechanisms and fracture behaviour of the particle interleaved composites. the aim of the analysis was to examine the influence of the particle concentration and size, and the interaction between the particle and the crack tip. fea results indicate that interlayer zones can effectively lower j - integral and stress around the crack tip, and the high stress distribution in the region close to the interface can be the driving force for interfacial failure
本文的最後還藉助于有限元方法對層間增韌復合材料進行了宏觀和細觀斷裂韌性分析，基於mori - tanaka等效夾雜理論，計算了顆粒含量和尺寸對j積分的影響，有限元分析的結果同樣表明層間增韌可以有效的降低裂紋尖端應力水平，並暗示界面是可能存在的失效原因，所進行的數值分析起到了進一步支持和解釋增韌機理的作用。分享友人