裂縫深度 的英文怎麼說

中文拼音 [lièféngshēndù]
裂縫深度 英文
crack depth
  • 裂 : 裂動詞[方言] （東西的兩部分向兩旁分開） open
  • 縫 : 縫名詞1. （接合處） seam 2. （縫隙） crack; crevice; fissure; slit
  • 深 : Ⅰ形容詞1 （從上到下或從外到里的距離大） deep 2 （深奧） difficult; profound 3 （深刻; 深入） thor...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 裂縫 : 1. （裂開的縫兒） rent; rip; hiatus; tear; rift; crevice; crack; fissure 2. [地質學] fracture; rupture
  • 深度 : 1. （深淺程度） degree of depth; depth 2. （觸及事物本質的程度） profundity; depth
  1. For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field

    因此，對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此，本文從測井地質的角度，針對當前裂縫性儲層測井地質解釋與評價的現狀，在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上，利用分形分維方法和技術，通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ （ fa ）與m指數的理論推導，根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜，則其分維值d _ （ fa ）越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵，提出了改進的基於盒維數的測井曲線網格覆蓋法，編程計算了裂縫性儲層段常規測井曲線（如聲波和電阻率曲線）上分形分維值及其m指數值，進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究，效果十分理想： 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪，採用儲層分維值分類技術統計分析這些參數變化的規律，並結合qx油田l區塊儲層類型經驗判別圖版，從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。
  2. In the dam foundation restraint area, mgo can be mixed into concrete to prevent dam longitudinal crack. research on autogenous volume change of rcc mixed with mgo, and research on thermal stress compensation of darn foundation prove that rcc mixed with mgo plays a role in dam crack control

    在材料措施方面，深入研究高碾壓混凝土壩基礎約束區採用外摻mgo措施，利用其微膨脹性能補償壩體降溫過程中產生的溫度應力，以防止大壩縱向裂縫的發生。
  3. Third, in the loess area, there is tension fractures on the top of slope generally. deep of the tension fracture could be deduced theoretically by columb strength theory

    3 、黃土地區，邊坡后緣常存在垂直張裂縫，裂縫深度根據土的強度指標可以計算。
  4. The proposed method may become a feasible alternative among non - destructive inspection methods for damage detection of structural members

    雖然本方法無法探測出裂縫的形狀與深度，但仍不失為一種簡易的非破壞檢測裂縫位置之方法。
  5. When the depth of the horizontal fracture is not same as that of the source, the fracture can be clearly observed in the snapshots, and a reflected wave appears in the waveforms

    當水平裂縫與聲源深度不同時，在波場圖中可清楚地觀測到裂縫；波形圖上會出現明顯的反射波。
  6. In addition, when there are tension crack and water in the slope, the critical inclination has relations with the position of crack and the level of water

    此外，當邊坡中有張裂縫和水時，滑面的臨界傾角還與張裂縫的深度和水位高度有關。
  7. In port engineering, cracks in wharf surface will not only influence the visual quality of project, but also weaken the durability of structures when sea water penetrates into deep cracks and corrodes the internal reinforcement

    摘要在港口工程中，碼頭面層產生裂縫，影響工程的觀感質量，海水滲入深度大的裂縫腐蝕內部鋼筋，影響結構的耐久性。
  8. Through the example of the practical project, the 3 - d simulative calculations of transient temperature and stress fields of the concrete structure are conducted based on the practical construction scheme. study on the mechanism of the concrete cracking is made and the corresponding methods of. crack repairing are also discussed deeply

    以實際工程為例，根據實際混凝土澆築施工方案對混凝土結構中的非穩定溫度場、徐變應力場進行了三維模擬計算，對結構上已出現的貫穿裂縫的成因機理作了較深入的分析研究，提出相應的防裂措施和裂縫補救方法。
  9. The space agency said sunday a gouge in the heat shield protecting the shuttle is deeper than expected, raising the possibility that astronauts may try to repair the damage while still in orbit

    航空航天局星期天說，奮進號航天飛機防護隔熱瓦上的裂縫深度超過早先的估計，因此可能需要宇航員在航天飛機仍然在太空軌道上飛行時修補損傷。
  10. In the process of building and using the mass concrete structures, because of the effect of out - side condition and themselves, some faults will form in the structure, these faults will effect the bearing capability and endurance using nondestructive testing method to test the concrete ' s quality and diagnose its healthy, which has the significant sense in assessing the safety stability and research of the administering diseases this dissertation mostly researched the testing methods in the mass concrete structure, discussed the principles, methods, features, sphere of application of the ultrasonic testing in the mass concrete structure with faults, used dynamic fem to simulate the testing process, discussed when the concrete structure with cracks is under the effect of the pulse, how the elastic waves propagate and what are their changing feature, researched the principles of the first - arriving waves " phase when the cracks " depths are not same, obtained the relation between the inversion point and the cracks " depth, which has the direction sense in the application of projects, the second part of this dissertation is ct, which used the ultrasonic wave running through the tested - substance to get arriving - time of the ultrasonic wave, then inverse the image this dissertation drawed one ct program which can well present the different little cells " ultrasonic wave velocity profiles of the substance, thereby to diagnose the quality of the part of the tested - substance, ct has the better using foreground.

    在混凝土結構的施工及使用過程中，由於受其自身及外界各種因素的影響，常常會產生一些缺陷，對結構物的承載能力和耐久性造成嚴重影響，採用無損檢測技術進行質量檢測和健康診斷，這對混凝土結構開展安全、穩定性評估以及病害隱患治理研究具有重要意義。本論文主要針對大體積混凝土結構缺陷的檢測方法展開研究工作，重點討論了超聲波法檢測混凝土結構裂縫的基本原理和方法及其特點、適用范圍，運用動力有限元數值模擬其檢測過程，探討了有裂縫缺陷的混凝土結構在脈沖荷載作用下彈性波的傳播及其變化特徵，研究了不同裂縫深度下首波相位變化規律，得出了反轉臨界點與裂縫深度之間的關系，這對實際工程應用具有指導意義。聲波ct是一種新的無損檢測技術，它是利用聲波穿透被檢測體獲取聲波接收時間，來進行計算機反演成像的技術。
  11. The opening stress and the life of crack growth is calculated and compared with the test results and the experience formula. the feasibility of the newman theory of opening stress used in the high strength steel is validated. then through the slice synthesis method, the three dimension surface crack of the weld joint of cone - cylinder is decomposed into many plane through cracks

    本文將基於裂紋閉合現象建立的帶狀屈服模型，用在平面貫穿裂紋中，計算此時的裂紋張開應力和疲勞裂紋擴展壽命，與試驗結果和經驗公式比較，驗證newman裂紋張開應力理論在高強鋼中的可行性；然後，用切片合成法，把潛艇結構凸錐柱結合殼焊縫處的三維表面裂紋分解成平面貫穿裂紋，用帶狀屈服模型的理論來分析平面貫穿裂紋，得到裂紋沿深度方向的擴展速率，進而得到潛艇結構的疲勞壽命。
  12. On the basis of the study of the characteristics of diffracted wave produced during the vibration propagation along the fissures, in association with practical example, the paper introduces the features of prospecting the depth of fissures of structural mass by using the seismic method

    該文在研究振動沿裂縫傳播時所產生繞射波的特徵基礎上，結合實例，介紹了運用地震法探測結構體裂縫深度的方法特點。
  13. Abstract : on the basis of the study of the characteristics of diffracted wave produced during the vibration propagation along the fissures, in association with practical example, the paper introduces the features of prospecting the depth of fissures of structural mass by using the seismic method

    文摘:該文在研究振動沿裂縫傳播時所產生繞射波的特徵基礎上，結合實例，介紹了運用地震法探測結構體裂縫深度的方法特點。
  14. The ordovician carbonate reservoir in tahe oilfield is characterized by deep buried depth, multiple storage spaces, complex reservoir type, which lead to difficult reservoir simulation and performance prediction for the existing simulators are hard to simulate the dual porosity reservoirs

    摘要塔河油田奧陶系碳酸鹽巖油藏埋藏深，儲集空間多樣，儲集類型復雜，油藏模擬和動態預測難度大，其原因主要是現有的油藏數值模擬器很難模擬裂縫溶洞型雙重介質系統。
  15. Secondly, the structural response of pavement suffering reflective cracking is deeply analyzed in terms of traffic load and thermal load

    其次，對含反射裂縫路面在交通荷載及溫度荷載作用下的結構反應進行了深入分析。
  16. ( 3 ) the contact model is used to simulate the crack. on the basis of project, the evolution of crack opening and crack depth related to loads such as hydrostatic pressure and temperature are studied using numerical simulation approach, and the load effect on the crack evolution is discussed

    （ 3 ）用接觸模型模擬裂縫，結合工程實際，應用數值模擬分析方法研究裂縫開度和開裂深度隨外荷載（水壓、溫度等）的演變規律，分析了裂縫演變的荷載效應。
  17. According to thorough research on mechanical mechanism of 3 - d tensional micro - fracture producing, this point is put forward the first time that : there is more stress concentration in the circumference of micro - cracks. and the cracks are easier to expand and to link with each other when the fissures contained saturated pore fluid than dry state. therefore, it is necessary to modify the griffith criteria

    4深入研究了三維張性微裂縫形成的力學機理，首次指出：在裂隙內飽含孔隙水的情況下，微裂縫周邊的應力集中程度更高，裂縫更容易擴展乃至連通，因此，在張裂縫發育的研究中應該對格里菲斯準則進行修正。
  18. Study on depth of tension cracks near ground for unsaturated soils with tensile strength

    考慮抗拉強度時非飽和土的乾燥裂縫深度
  19. The stress intensity factors calculated using three dimensional finite element model are obviously less than the stress intensity factors calculated using plane strain model ( the ratios are about 30 % to 100 % ) and the distinctions increase with grew depth of cracks continuously

    結果表明:三維有限元模型分析得到的應力強度因子明顯小於二維平面應變模型分析得到的應力強度因子（其比值約為30 %到100 % ） ，並且這種差別隨著裂縫深度的增加而不斷增加。
  20. Abstract : in this paper the mathematical model for shape optimization of arch dam subject to crack - depth constraint is estabilshed and the super finite element method ( sfem ) for arch dam cracking analysis is used as the re - analysis method. the research findings on xiaowen arch dam show that the shape optimization of arch dam subject to crack - depth constraint may further help reduce the volume of dam

    文摘:本文引進裂縫深度約束條件，研究了拱壩開裂條件下的體形優化設計問題.結構分析採用超級有限單元法，既能有效控制計算規模又能方便地反映結構開裂的局部特性.對小灣拱壩和溪洛渡拱壩進行的優化設計研究表明，在優化過程中允許開裂並考慮開裂約束條件，可以更好地挖掘拱壩潛力，進一步減小壩體混凝土方量
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