鋪層 的英文怎麼說

中文拼音 [pūcéng]
鋪層 英文
larry
  • 鋪 : 鋪名詞1. （鋪子; 商店） shop; store 2. （用板子搭的床） plank bed3. （舊時的驛站, 現多用於地名） post （often used in place names）
  • 層 : i 量詞1 （用於重疊、積累的東西 如樓層、階層、地層） storey; tier; stratum 2 （用於可以分項分步的...
  1. Another topic of this article is to try to find a proper overlay design method. by using elastic layer system ( els ), finite element method ( fem ), genetic arithmetic ( ga ) back calculation and efficacious thickness method, the paper puts forward four design methods. the results say that the position where the max stress appears is not the only one but varies with the thickness of overlay

    根據陜西省高速公路瀝青路面病害以及使用性能的實際情況，提出了代表彎沉值的計算方法以及下臥層模量的反演方法，在此基礎上利用彈性層狀體系理論、有限單元理論、遺傳演算法以及有效厚度法等理論對加鋪層厚度設計方法進行了研究。
  2. Before studying the concrete composite deck pavement, we introduce the basic theory of touching analysis, and come up with the realization of touching analysis in the fem analysis considering the touch of concrete bridge cover plates, asphaltum concrete overlay with bridge cover etc. connect with the experiment on the spot of bridge, the software ansys is used to solidity modeling and analyzing an assembly simply supported bridge before adding overlap, after adding overlap etc., and study the influence of adding overlap on the underside bridge structures

    在進行裝配式混凝土簡支板橋復合鋪裝結構的探討性研究前，先介紹了接觸分析基本理論，並提出了考慮混凝土橋面板板間接觸、瀝青混凝土加鋪層與橋面接觸等接觸分析在有限元分析中的實現思路。結合一座裝配式簡支板橋現場試驗數據，採用ansys對該橋在加鋪前後進行了實體建模與計算分析，討論了瀝青混凝土加鋪層對下部結構物的影響。
  3. Evaluating concrete surface by use of fwd and design of layer

    評價舊混凝土路面及加鋪層設計
  4. 3, analyzing the stress field of the aero - engine case under the given loads, the fatigue life of the case is predicted through the presented fatigue model and the method of " nominal stress "

    用該模型對孔徑為5mm層合板的s ? n曲線進行疲勞壽命預測及試驗驗證。 3 、首次對某型發動機t300 kh - 304復合材料機匣的主鋪層在給定工況下的疲勞壽命進行預測。
  5. Low - velocity impact damage analysis in carbon fiber reinforced composite laminated plates

    低速沖擊作用下碳纖維復合材料鋪層板的損傷分析
  6. Proper frequency and amplitude for different soil and layer depth

    適宜的振幅、振動頻率，適合不同土壤和鋪層厚度。
  7. With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target. secondly based on the damage feature about ceramic / fiber composite target caused by impact load, analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given. lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target, optimizes the design of double layer ceramic / composite targets, gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3

    首先，分析了纖維類正交鋪層復合靶板在沖擊載荷作用下的損傷破壞機理，結合包含損傷和應變率效應的材料動態本構方程，建立了纖維復合材料板彈道極限速度的預測公式；其次，根據陶瓷/纖維材料復合靶板在沖擊載荷下的破壞特點，建立了陶瓷/復合材料靶板抗彈性能分析模型，給出了彈道極限速度預測公式；最後，利用應力波反射和透射理論討論了陶瓷/復合材料靶板的設計問題，對雙層陶瓷復合靶板的優化設計進行了分析，給出了在一定面密度下的最佳優化系數，討論了一定彈道極限速度下的面密度和厚度隨優化系數的變化關系。
  8. According to the special shape and operate requirements of the torpedo, the structure and moulding process of the torpedo shell are established, in which the body and overlay block with grooves are moulded by fiber winding, and close moulding respectively with the adhesive by limited stop compression. in the light of the selection of raw material system, composite system with outstanding performance are defined, based on which the mechanical properties are tested., with the overall consideration of structural characters and design demands, the main factors which may have effects on the strength and stability ( including stiffness section dimension, stiffeners space, skin thickness and skin lay angle ) is optimized one by one for the structure design parameters on the base of the fem model of skin, stiffness and layover block by fem. as a result, the prototype with 1 : 1 proportion and its structure and lay optimization design are completed. the moulding technology for polyurethane foam moulding the stiffened shell is obtai ned in terms of the design, manufacture moulding, experimental mould and tooling

    依據在研產品特殊的外型結構和使用要求，確定了該型號水雷復合材料殼體的具體結構形式和復合成型工藝路線，即由纖維纏繞工藝成型主體異形件，閉模成型帶通槽外貼塊，用限位加壓工裝實現粘接的工藝路線；通過對原材料體系的篩選，確定了綜合性能較好的復合材料體系，以此為基礎進行了力學性能測試；運用有限元方法，建立了蒙皮、筋條和外貼塊的分析模型，綜合考慮結構特點和設計要求，對影響結構強度與穩定性的主要因素（包括筋截面尺寸、筋間距、蒙皮厚度、蒙皮鋪層角度）分別進行了結構設計參數的優選，最終完成了復合材料異形耐外壓殼體1 : 1樣件和縮比實驗件結構及鋪層優化設計；完成了聚氨酯泡沫胎成型內置加筋殼體的成型工藝技術研究；對縮比件進行外壓性能測試，並給出了應力、應變測試結果。
  9. Ae signals released from different lay - ups composite specimens were acquired by a wideband transducer, and fracture surfaces of the specimens were observed by scanning electron microscope ( sem )

    寬帶傳感器記錄了不同角度纖維鋪層的復合材料試樣在拉伸破壞過程中的聲發射信號，用掃描電子顯微鏡（ sem ）觀察了試樣的幾種典型的損傷破壞斷面，對比分析了不同類型的損傷機制。
  10. A series of static and fatigue experiments which include lots of specimens are performed on bolted composite laminates that include different sizes, different lay orientations and different torques. dye - enhanced x - radiography is used to check the progressive damage process as evaluation techniques, which can be made nondestructively. finally, the ultimate strength and fatigue life of composite bolted joints in static tension and

    層合板接頭的試驗研究考慮了多種幾何尺寸、多種鋪層及不同擰緊力矩對其靜強度及疲勞性能的影響，同時使用滲透劑增強的x射線圖象技術對靜載和疲勞損傷擴展及累積過程進行了無損檢測，並對其進行了分析探討。
  11. But, for the reflective cracking of asphalt pavement with half rigid base course and the cracking of the ac overlay above joints ( cracks ) in existing pcc pavement, the results of research show that the fatigue life of ac layer is mainly the life of the crack propagating stage. so the theory and method of fatigue destructive mechanics ( fatigue fracture mechanics and fatigue damage mechanics ) should be used to study and design the pavement structures instead of traditional fatigue mechanics

    而對於半剛性基層反射裂縫和舊水泥混凝土路面瀝青混凝土加鋪層接縫（裂縫）開裂，研究發現，瀝青結構層的疲勞壽命主要為裂縫擴展階段的壽命，此時不應採用傳統的疲勞力學進行研究和結構層設計，而應採用疲勞破壞力學（疲勞斷裂力學和疲勞損傷力學）理論與方法。
  12. Concrete pavement overlay structure design discussion

    混凝土路面加鋪層結構設計探討
  13. Fatigue cracking is a main form of structural damage of asphalt pavements ( chiefly including asphalt pavement with half rigid base course and ac overlay on portland cement concrete pavement )

    疲勞開裂是瀝青類路面（主要為半剛性基層瀝青路面與水泥混凝土路面瀝青混凝土加鋪層結構）的主要破壞形式。
  14. In this project, the maximum height of the dam is 81m, but the deep overburden in the riverbed has the depth of 147. 95m which is about two times of the maximum height of the dam body, so the seepage and liquefaction prevention of the dam foundation becomes the key and important problem in the design of the dam project. the static stress and deformation under three different projects - horizontal blanket project, clay core project and asphalt core project - for the dam is analyzed comprehensively. the damage that may be induced by variable factors on the dam body in time of engineering completion and water impounding operation period is seriously studied

    其次，將這一模型用於分析下坂地水利樞紐工程，由於該工程河床覆蓋層深度最深達147 . 95m ，是壩體高度的近兩倍左右，壩基的滲流和液化成為壩體安全主要問題，本文對該壩的三種設計方案即水平鋪層防滲方案、粘土心墻防滲方案及瀝青心墻防滲方案的靜態應力位移及壩體在竣工期、蓄水期等各個階段可能產生的破壞進行了認真研究。
  15. And the thickness of the overlay is achieved. the target of this paper is to set up connection between ndt and the methods. if flexibility of the overlay is measured, the thickness of it is gotten straightly through this connection

    然後將解析解的表達式經過一系列恆等變換，得到二維有限區域上二重積分的形式；進行二維fourier反變換，利用高斯積分編制計算程序，求出數值解，並以此為基礎通過目標優化得到加鋪層厚度。
  16. At end, the construction techniques in pccp rehabilitation are presented including grouting to the base of pcc slab, placing the geotextile and ac overlay

    最後，提出水泥混凝土路面修復過程的板底脫空處理及土工織物、瀝青加鋪層的施工技術。
  17. 3. in order to obtain the modulus of each layers and the subgrade. a back - calculating method which is based on the system identification principle was presented and supply the reliable technology for the overlay design

    為了獲取路面各層及土基的模量，本文基於落錘式彎沉儀（ fwd ）的檢測數據對路面結構層模量的反算方法進行了詳細分析，從而為路面加鋪層厚度設計提供了可靠的技術支持。
  18. According to the experiment of influences of fiber structures and the width of edge channel on flow filling, it was found that even a small gap ( l or 2mm ) between the preform and the mold edge could also disrupt the flow pattern, which evidently changed the local permeability of preform. the filling process was simulated using the permeability for different edge width predicted by a. hammami or poiseuille model, which shown good agreement with the experiment results

    實驗研究了纖維鋪層結構及流道縫隙的寬度對充模流動的影響，發現在纖維預成型體和模具壁間存在的較小的縫隙也會對邊緣的流動產生干擾，進而影響增強材料主體的滲透；對于不同的縫隙寬度，分別根據a . hammami模型和poiseuille模型預測邊緣等效滲透率，並進行充模過程數值模擬，與實驗結果吻合較好。
  19. Based on the simplified fundament and effective method, reference to the arrangement of the actuator placement and the control voltage can be offered to the composite adaptive structure

    該方法原理簡明、計算效率高，可為板殼型自適應結構的作動器鋪層位置設計和控制電壓分佈設計提供依據。
  20. The numerical results show that the nature frequencies of the structure are affected by the temperature effect, boundary conditions and the number or orientations of layers ; the proper orientations can change the nature frequencies ; the effect degree on the nature frequencies of cross - ply laminated cylindrical shell is different from that of the antisymmetric one

    結果表明，溫度效應、邊界約束、鋪層層數顯著影響結構的固有頻率，適當的鋪層角度會改變結構的固有頻率，不同的鋪層方式對結構固有頻率影響程度不同。
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