crack depth 中文意思是什麼

crack depth 解釋
裂縫深度
  • crack : vt 1 使破裂；敲破，敲碎，砸碎（陶器等）；嗑（瓜子等）；【化學】裂化（石油等）。2 把（槍打得、鞭子...
  • depth : n. 1. 深；深度。2. （色澤的）濃度；（聲音的）低沉；（感情等的）深厚，深沉，深刻。3. 進深。4. 〈常 pl. 〉深處；深淵，深海，海。5. 正中，當中。6. 深奧，奧妙。
  1. It can give vector of stress, and break factor and direction vector of tensive crack and shearing crack in the special observation planes ( for examples, in a stratal surface which is fluctuant in depth )

    軟體可視化包括：空間應力矢量（大小和方向） 、裂縫性態（張裂縫和剪裂縫發育程度及其方向矢量）在特定觀察面（如沿起伏的地層面）上的展示。
  2. The method for measuring the plane strain fracture toughness klc has been introduce to high polymer bonded explosives ( pbx ) by systematically studying technologies concerning the shape of specimen, the depth and its machining of crack, the loading rate, the measurement of critical fracture load, and the computation of klc, etc. the method has been used to test and study klc of three typical high polymer bonded explosives which are j2, jl, j3 respectively both at normal temperature and unmoral temperature

    本文以高聚物粘結炸藥為研究對象，對測試高聚物粘結炸藥的平面應變斷裂韌度所涉及的樣品形狀、裂紋深度及裂紋制備、加載速度、臨界斷裂載荷p _ q的確定及平面應變斷裂韌度k _ （ ic ）的計算等方面進行深入研究，建立了較為完善的炸藥平面應變斷裂韌度測試方法。
  3. The research shows that : 1 ) the ductility of the hsc bending members constructed is much greater than 5 ; 2 ) increasing the vertical links and distribution steel can increase the deflection under ultimate moment ; 3 ) with appropriate compressive bars, vertical links and distribution steel the increase of moment after yield and the decrease of moment under ultimate moment can be ignored, so the ductility of the hsc bending member is much larger ; 3 ) the width / depth ratio of hsc bending member has no obvious effect on the ultimate compressive strain of concrete ; 4 ) the method used here to calculate the deflection is applicable ; 5 ) the location of crack coincides with the location of vertical links and distribution steel ; 6 ) the bending property of the hsc structure under the blast load can meet the demand of protective engineering

    研究表明：本文研究的梁、板構件的延性比遠大於5 ；增加箍筋（鉤筋、分佈筋）含量，可以提高壓區混凝土剝落時的撓度；在適當的受壓筋、箍筋（鉤筋、分佈筋）含量下，可以忽略壓區混凝土剝落瞬間的承載力下降，從而大大提高構件的延性；受彎構件的寬高比對壓區混凝土極限應變的影響不明顯；受彎構件的裂縫間距受箍筋（鉤筋、分佈筋）的布置影響；文中所用的承載力和變形計算方法是可行的。化爆試驗表明，高強混凝土構件的動載抗彎性能能夠滿足防護結構的要求。
  4. ( 2 ) the crack compares with one depth with the first steps and the second steps natural frequency vibration, crack position near crank arm and main shaft transition round natural frequency little place under crankshaft ; with the third steps and the fourth steps natural frequency vibration, the smaller close to the second crank arm of crankshaft and round place natural frequency of the main shaft transition the position is

    （ 2 ）裂紋同一深度比以第1階和第2階固有頻率振動，裂紋位置越靠近曲軸中間曲柄臂與主軸過渡圓處固有頻率越小；以第3階和第4階固有頻率振動，位置越靠近曲軸第二個曲柄臂與主軸過渡圓處固有頻率越小。
  5. Taking maluping mine, kaiyang phosphate ore zone as an example, change of mine water amount, its evolution process and law of correlated factors to crush into the pit due to ground surface crack with increases in mining depth, are descryibed

    摘要以開陽磷礦區馬路坪礦為例，描述其礦山隨著采礦深度的增加造成地表開裂變化及其礦坑水的水量變化和潰入礦坑的相關因素的演變過程和規律。
  6. After reading a large amount of domestic and international about shaft research materials, the thesis combines the concrete experimental condition of the laboratory, and the crankshaft crack modal parameter characteristic go on the theoretical research at different depth different position to smoothshaft, experimental study, test data processing, diagnose system developing work ect

    本論文在閱讀了大量國內外關于軸裂紋檢測的研究資料后，結合實驗室的具體試驗條件，對光軸和曲軸裂紋在不同深度不同位置時模態參數特性進行理論研究、試驗研究、試驗數據處理、診斷系統開發等工作。
  7. Calculations of tearing energy of different crack depths and different loads have been done for double shear testpiece with interface cracks. at last, the relationship between tearing energy and crack depth has been given, so has the relationship between tearing energy and load

    根據有限元結果計算出不同裂紋深度、不同載荷下的撕裂能，分析了試件的撕裂能與裂紋深度與載荷的關系。
  8. The repairing methods of the cement concrete pavement are classified as four types : full depth replacing, crack casting surface covering and grout pouring. the repairing method and process and materials are studied. the effect of the repairing is also studied

    本文針對不同的病害提出了全層置換、灌縫、薄層罩面和壓漿四種修補方法，研究了這幾種修補方法的工藝過程、修補材料和實際修補效果。
  9. Utilizing the principle of the smoothshaft to open 0. 4 mm crankshaft to the width of crack : ( 1 ) when it compares with one position crack, crankshaft natural frequency as crack depth than increase and reducing constantly

    利用光軸的原理對裂紋寬度為0 . 4mm的曲軸進行研究得出： （ 1 ）裂紋同一位置比時，曲軸固有頻率隨著裂紋深度比的增大而不斷減小。
  10. Additionally, the experiment also studies the effect of crack depth on reinforced concrete beams. the result indicates : whatever adhesive mode is taken, it is true that the deeper the crack is, the more notable the effect is

    另外試驗還對裂紋深度對加固效果的影響進行了分析，結果表明：不論採用什麼樣的粘結方式加固，裂紋深度越大，則加固的效果就越明顯。
  11. Curvature mode can be used to carry out qualitative analysis to damage degree of structure. experiment shows that curvature mode value will increase with the increase of the crack depth. it is conform completely with the theory

    實驗表明，隨著裂紋深度的增大（也即損傷程度的增大） ，曲率模態值也隨之增大，這與理論是完全相符的； （ 3 ）在保證測量精度的前提下，該方法可用於工程實際的應用中。
  12. It has been found that the depth of crack and fracture toughness of material can be expressed by weibull distribution, ratio of depth to length of crack and strength of material can be expressed by logarithmic normal distribution and normal distribution respectively

    對該管道主要隨機變量的統計分析表明，裂紋深度和材料的斷裂韌性表現為威布爾分佈，裂紋深長比表現為對數正態分佈，材料的屈服強度和拉伸強度表現為正態分佈。
  13. A static and a transient analysis of an embedded crack in a long elastic strip are carried out. the results are approximate to the ones that existed. and the effects of the factors including the crack configuration, the crack depth, the strip length and the strip thickness on the transient response are discussed

    對含內埋橢圓裂紋的板條進行了靜態和瞬態分析，得到的結果與已有的解吻合良好，對影響瞬態響應的因素如裂紋形狀、裂紋深度、板條長度、板條厚度做了分析比較。
  14. With the different loading ratio of parallel to axis and normal to axis direction, damage defects will occur bulking problem. by varying the degree of material anisotropy relative to the loading axis such as poisson ' s ratio and shear modulus, crack growth bulking strain value parallel to or normal to the loading axis is different. the parameters controlling the growth or arrest of the delamination damage are identified as the geometry and the depth of defects and radius of cylindrical etc. at last, it was investigated that the delamination damage is often induced by the tip of matrix damage under higher stress

    研究結果表明:殼體筒段受軸向拉伸和內壓載荷作用時，軸向和環向載荷的比率不同，母層和子層可能發生拉伸屈曲，也可能發生收縮屈曲，或者同時發生拉伸和壓縮屈曲;母層與子層各向異性存在差異，即泊松比與剪切模量不匹配時，將使子層板的邊界上承受壓縮和剪切作用，當分層達到臨界狀態則發生屈曲，當母層與子層的各向異性差異越大，則發生分層屈曲的可能性越大;分層損傷的屈曲應變值與子層自身的彈性模量、分層子層的形狀、厚度以及圓柱半徑等因素有關。
  15. Firstly, the basic character of the remote filed eddy current is simulated and analyzed in case of two - dimension axial symmetry which approves the existence of remote filed eddy current phenomenon ; the full circumferential defect model is investigated to approve the feasibility of using the rfec techniques to detect the position and depth of defect ; the pit corrosion 、 circumferential and axial crack models are simulated, and the defect character based on voltage plane polar plot and the changes of phase and amplitude are analyzed to supply the standard for defect reconfiguration

    首先，在二維軸對稱情況下模擬與分析了遠場渦流的基本特性，證實了遠場渦流現象的存在;對全周向缺陷的遠場渦流檢測進行了詳細研究，證實了遠場渦流檢測缺陷位置和深度的可行性;對點狀腐蝕、軸向與周向裂紋三種非軸對稱缺陷進行三維有限元模擬，利用相位差和幅值變化曲線與電壓平面極坐標圖對缺陷特徵進行分析，為缺陷形狀重構提供了依據。
  16. The result shows that when contain the transverse crack in the crankshaft, and the depth of the crack is strengthened gradually, its acceleration signal responding frequency moves toward high frequency gradually

    結果表明，當曲軸中含有橫向裂紋，且裂紋逐漸加深時，其響應的加速度信號在頻域范圍內的主頻是逐漸向高頻方向移動的。
  17. ( 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。
  18. It is analyzed that the values of external excitation, the internal damping of the shaft and the depth of the crack have effects on the amplitude frequency response curves. in chapter 5, the bifurcation and chao s of a rotor system are studied. the bifurcation parameter sets of the motion equation are determined by using the theoretical method

    從理論上確定了在垂直平面內振動的裂紋轉子運動方程的分叉參數集，且用數值方法驗證了理論分析的正確性，同時，還利用melnikov函數法給出了系統發生混沌運動的臨界條件，最後，利用數值方法研究了考慮渦動影響的轉子系統的動力特性。
  19. 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
  20. The application of single plane acoustic - wave method in detecting mass concrete crack depth

    單面平測法在大體積混凝土裂縫檢測中的應用
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