梁的基本理論 的英文怎麼說

中文拼音 [liángdejīběnlǐlún]
梁的基本理論 英文
elementary beam theory
  • 梁 : 名詞1 （屋架中架在柱子上的長木） beam 2 （通常也指檁） purlin 3 （橋） bridge4 （物體中間條狀隆起...
  • 的 : 4次方是 The fourth power of 2 is direction
  • 本 : i 名詞1 （草木的莖或根）stem or root of plants 2 （事物的根源）foundation; origin; basis 3 （本錢...
  • 理 : Ⅰ名詞1 （物質組織的條紋） texture; grain （in wood skin etc ） 2 （道理;事理） reason; logic; tru...
  • 論 : 論名詞（記錄孔子及其門徒的言行的「論語」） the analects of confucius
  • 理論 : theory
  1. The basic theory and step of whole process analysis of reinforced concrete beam section flexural rigidity is stated, the realization program is worked out and the academic example is analyzed. 4. based on the static - state load test result of two practical projects, the application of the reinforced concrete beam system bridge structure disease examination and structure damage evaluation method is stated, and satisfaction result is gained

    1 、綜述了當前混凝土橋梁結構檢測及損傷識別的各種方法體系，並簡要評價了各方法體系的應用與不足； 2 、論述了基於靜載試驗的梁分段剛度系統識別的基本原理，編制了實現程序，並進行了數值算例分析，提出基於本原理的梁橋結構損傷識別與結構評價方法體系； 3 、闡述了鋼筋混凝土梁截面抗彎剛度全過程分析的基本原理和方法步驟，編制了實現程序，並進行了相關算例分析； 4 、結合兩片工程實例梁的靜載試驗，詳述了梁橋結構損傷識別與結構評價方法的應用過程，得到了預期的效果。
  2. This paper sets up a fuzzy optimum math - model of the prestressed degree for prestressing bundle disposition of prestressed concrete continuous beam bridges, which is transformed into a clear math program by - level cut - set. by the solution of the clear math program, a succession of reasonable prestressing moments can be obtained. then it is convenient to dispose the prestressing system by only taking account of geometric factors of all controlling sections. based on this, a theory of automatic disposition of the prestressing bundles is proposed and an engineering example is given to demonstrate it

    建立預應力混凝土連續梁橋預應力度的模糊優化問題，按-水平截集解法，將模糊優化問題轉化為確定性的數學規劃問題.求得一較合理的消壓彎矩后，只需按控制截面的構造進行預應力體系設計.在此基礎上提出了配束自動化的基本思想，並以一實例說明其理論應用
  3. According to the basic theory of the cement concrete and the properties of polypropylene fiber, the calculating formulas about beam for the normal section load _ carrying capacity and rigidity and ductibility are presented based on " the design code of concrete structure " ( gb50010 - 2002 )

    參照普通砼的基本理論，結合聚丙烯纖維砼的性能特點，在《規范》的基礎上得到了單筋矩形截面梁正截面承載力、剛度和延性的計算公式，並與試驗結果對比吻合較好。
  4. Concrete elastic modulus and concrete creep and shrinkage variety at different time are reckoned in by using time increment analysis method and concrete creep and shrinkage secondary force is calculated by using effective elastic modulus. bridge stability analysis program is developed on the base of structure matrix displacement method, the program adopts visual basic language, has friendly interface and visual data input windows. the buckling safety factor of currently finished structure is given as result

    為計入混凝土彈性模量的變化及混凝土徐變收縮隨混凝土的齡期與外荷載加載時間不同而變化的影響，採用時間增量法對每個計算階段根據其階段內時步數進行循環，以計算時段內彈性應力、應變增量和徐變、收縮產生的應力應變增量，利用有效彈性模量法計算混凝土徐變收縮次內力，在此基礎上，結合結構矩陣位移法的基本理論編制開發了計入混凝土時效效應的高墩大跨徑橋梁穩定分析程序。
  5. Simultaneously, the thesis discusses the calculation theory and analysis method for beam on elastic foundation, and gives an in - depth discussion on each calculation model of beam on elastic foundation, including elastic theory model, wenker theory model, spring - system connected with flexible line model and double - foundation - bed coefficient model etc. the deficiency of elastic foundation finite element method of deep excavation timbering system presently is pointed out via the detailed investigation to the elastic foundation finite element method calculation theory and implement process based on wenker theory model

    同時，本文論述了彈性地基梁的計算理論和分析方法，深入討論了彈性地基梁的各種計算模型，其中包括彈性理論模型、文克爾理論模型、用彈性柔線聯結的彈簧系模型、雙基床系數模型等。通過詳實地分析建立在文克爾理論模型基礎之上的彈性地基有限元法計算原理和實施過程，指出當前深基坑支護體系彈性地基有限元法的不足。
  6. A port tyre crane has various parts and complex structure, which is made up plenty of beam - bar and shell elements, manual calculation can not guarantee the precision while finite element method needs onerous structure modeling and a great deal of date input. the finite element analysis and modeling of the port tyre crane are difficult because of complex structure and various loads. in order to fit further more design and exploitation of the same type as well as the upgrade of the production i study a kind of parametric software for structure analysis of the port tyre crane, it can reduce the difficulty of modeling and structure analysis as well as improve efficiency

    港口輪胎式起重機部件繁多、結構復雜，由數目眾多的梁桿與板殼組成，其結構設計和力學分析使用傳統的手工計算方法難以保證精度，有限元方法則需要繁重的結構建模和大量的數據輸入，並且要求分析人員具有相當的力學知識和有限元基本理論。港口輪胎起重機結構的復雜性、載荷工況的多變性導致港口輪胎起重機結構有限元建模和分析工作效率低、難度大。針對這種情況本課題研發了一套港口輪胎式起重機結構的有限元參數化分析軟體，以適應同類機型的進一步設計開發和產品升級換代，降低建模和分析的工作難度，提高工作效率。
  7. The fundamental vibration theory about bridge structure and the formation about the property matrix are introduced. according to the linear theory and the finite element method about space system of bars, the corresponding vibration analysis program is compiled. using this program, the natural frequencies about the wuhu changjiang river bridge are analyzed

    首先介紹了橋梁結構的振動基本理論，然後介紹了對板桁結合斜拉橋的固有振動進行分析時所需用到的特性矩陣的計算方法，最後依據線性理論，採用空間桿系有限元法，編制了相應的斜拉橋結構的空間動力分析程序。
  8. The secondary beam of a 125 / 30t 16. 5m metallurgy crane bridge in anyang iron and steel corporation was damaged, and this accident was reappeared by computer

    本課題以事故再現的基本理論為指導，運用模擬法對安陽鋼鐵公司某煉鋼廠125 30t 16 . 5m冶金橋式起重機發生過的一次橋架副梁被頂彎的事故進行再現分析。
  9. The main work carried out goes as follows : ( 1 ) the principal theory of nonlinear finite element analysis was expatiated and a computer program was developed with fortran powerststion. the reliability of the fortran program was proved by comparing computed results with experimental results, besides, by using this program. the appropriate length of shear connections of slit shear walls was investigated

    本文的主要內容有以下幾個方面： （ 1 ）闡述了剪力墻結構非線性有限元分析的基本理論，編制了靜力非線性分析的fortran程序，程序的可靠性通過理論計算與試驗結果的對比加以驗證，並用該程序分析了帶豎縫耗能剪力墻，探討了耗能剪力墻結構的連梁合理高度問題。
  10. Epoxy - bonding a carbon - fiber composite plate to the tension face of concrete beam is an effective technique for repair and retrofit of concrete beams. in the first part of this paper, based on the fracture mechanics and the theory of beam, a theoretic model is proposed to analyze the shear stress in the adhesive between carbon - fiber composite and concrete. and then the closure - form solution for the shear stress distribution is drawn

    本文的第一部分基於斷裂力學與梁的基本理論，對碳纖維加固混凝土梁的粘結膠層以及粘結界面的剪應力分佈進行了理論分析，得出了其理論解析解；討論了碳纖維板的粘結長度、粘結厚度和粘結膠層的抗剪模量對界面剪應力分佈的影響。
  11. The purpose of this thesis is to use artificial neural networks ( ann ) to identify the aerodynamic parameters. first introduced in this paper is the basic theory of ann and wind engineering in bridge, then ann is presented to identify the aerodynamic derivatives of ideal thin plate. a back - propagation ( bp ) ann is established and trained for many times to contrast the influences of some factors on the prediction results

    首先對人工神經網路和橋梁風工程的基本理論作了簡單的介紹，接著採用人工神經網路識別了理想薄平板的氣動導數，並分析了數據處理方式、隱層單元數、訓練次數、隨機賦值次數、樣本數量對訓練結果的影響，討論了訓練的穩定性。
  12. In the second chapter, it elaborates the basic design principles of the beam bridges with high - piers and long - spans

    第2章闡述了高墩大跨梁橋設計的基本理論。
  13. In this paper, based on the previous research result, by using theory of electrochemical mechanism, probability math, reliability theory, basic theory of pre - stressed concrete structures, structure optimum design, theory of control, maintenance strategy decision theory of structures and etc., the research on steel corrosion monitoring method, structural corrosion damage model, reliability analysis, the maintenance and repair method that based on corrosion control, the optimum structural design method of new bridge structures that consider durability and the optimum maintenance strategy decision theory are carried out. 2. corrosion mechanism and monitoring technique it is widely accepted that the corrosion of steel in concrete structure is a electrochemical process, include the formation of anode & cathode area on metal surface and potential difference between different ' area

    本文在已有理論研究的基礎上，針對預應力混凝土橋梁建設及使用中存在的影響結構耐久性的實際問題，綜合運用電化學理論、概率理論、結構可靠性理論、混凝土和預應力混凝土結構基本理論、結構優化理論及控制維修決策等理論和方法，詳細研究了基於電化學理論的鋼筋銹蝕檢測方法、預應力混凝土橋梁結構的腐蝕損傷模型、可靠性分析、基於腐蝕控制的維修方法、橋梁結構方案選型及優化設計以及在役橋梁結構的優化維修決策等問題第二章混凝土結構的腐蝕機理及檢測技術目前普遍認為，結構混凝土中鋼筋的腐蝕是一種電化學的過程，包括在金屬表面形成陽極（腐蝕）和陰極（鈍化）區域以及不同區域間的電位差等。
  14. Starting from two well - accepted assumptions in theory of thin - walled beams, a general theory for linear analysis of curved beams with any open sections is established in this paper by using the principle of virtual work. the equations of equilibrium and natural boundary conditions are given

    文章首先從薄壁構件理論的兩個基本假定出發，利用虛功原理，建立起一套精確的、可以應用於任意開口薄壁截面圓弧曲梁的線性理論，給出相應的平衡方程和邊界條件。
  15. In fundamental theory, adaptive optics, electrostatic actuation, flexure beam theory and squeeze film damping are researched ; in fabrication, bulk micro fabrication process and surface micro fabrication process are researched and compared, then the structure parameters and layout of a 8 x 8 micromirror array are designed using summit foundry ; in analysis, analytical and numerical method are used to perform static analysis, modal analysis, transient analysis, frequency analysis and to characterize the farfield performance of this 8x8 micromirror array. finally, in order to realize large scale micromirror array with lower snap down voltage, advices are given for further research

    在基本理論方面，通過對自適應光學，靜電力驅動，彈性梁理論和擠壓薄膜阻尼的研究，確定了微變形鏡的配置方案；在加工方面對體加工工藝， mumps工藝和summit工藝進行了研究與比較，並選用殘余應力小，表面質量好的summit工藝對8 8的微變形鏡陣列原型進行了結構設計與版圖設計；在分析方面主要對微變形鏡單元的靜態特性，模態特性，瞬態響應，頻率響應和8 8規模的微變形鏡陣列的遠場光學模型進行了研究，確定了微變形鏡的性能參數。
  16. Based on the nodal mechanics theory and generalized displacement method, equations that the thin - wall cylinder pile is simulated with the beam element are derived. the influence of the number of beam element is researched, and conclusion that the number of beam element and the number of soil layer should be uniform is draw up

    應用節點力學的基本理論和廣義位移法的基本概念，推導了用梁單元模擬薄壁筒樁的計算公式，研究了梁單元離散樁體結構時梁單元的數目對計算結果的影響，得出了梁單元數量宜與樁穿過土層數目相一致的結論。
  17. L. the paper studies the theory to detect damage of bridges, and compares many sensitive parameters to detect bridge damage through correlative literature all over the world, finally concludes it suitable that bridge damage is detected by strain mode parameters. the strain mode parameters satisfy four foundstiona. l conditions as follows : ? hey are sensitive to sectional damage and they are monotone function of structure damage. @ they have determinate location coordinate

    論文通過對國內外橋梁損傷檢測方面的文獻資料研究，探討了識別橋梁損傷的基本理論，比較了多種結構損傷敏感參數識別橋梁損傷的優缺點，最後確定用應變模態參數識別橋梁結構損傷較為合適，應變模態是對損傷敏感的參數，滿足四個基本條件：對局部損傷敏感，且為結構損傷的單調函數；具有明確的位置坐標；在損傷位置，應變模態差曲線出現明顯的峰值變化；在非損傷位置，應變模態差曲線的變化幅度小於預先設定的閾值。
  18. This text goes into theories and methods of the assessment of bridge ' s anti - seismic ductility and presents a method of strengthening, which uses the carbon fiber

    本文通過研究橋梁延性抗震評估理論與方法，提出橋梁碳纖維加固理論及方法。 1 、系統回顧橋梁延性抗震設計已有的基本理論。
  19. The main contents are following : ( 1 ) from the methodology of nn, the basic theories on nn are discussed, with the emphasis on the mechanism of nn and its study rules. then the bp nn is concerned, because it is the comparatively most widely used nn type in the field of structure ' s damage identification ; ( 2 ) from the angle of system identification theories, the method and process of establishing the identification system model are demonstrated. also, how to implement a structural damage identification system of concrete architecture, based on bp neural network is demonstrated in the thesis ; ( 3 ) in order to find a more effective training algorithm of global approach, the way of optimizing network ' s weights using ga is demonstrated

    論文的主要內容包括： （ 1 ）從神經網路理論出發，探討了神經網路的基本理論，並重點論述了神經網路的工作機制和學習規則，及在結構損傷識別領域中廣泛應用的前向神經網路模型- - - - bp神經網路模型； （ 2 ）從系統識別論的角度，提出了利用神經網路建立混凝土結構損傷識別反問題的思路、方法和步驟，並在此基礎上研究了基於bp神經網路的結構損傷識別系統對單處梁結構進行識別的方法； （ 3 ）為了尋找一種更有效的全局逼近學習演算法，本論文從神經網路與遺傳演算法相結合的角度，闡述了遺傳演算法結合bp演算法優化神經網路權值的方法，實驗證明，遺傳演算法和神經網路相結合不僅具有神經網路泛化的映射能力，而且具有遺傳演算法快速和全局逼近的優點，是一種較好的解決混凝土結構損傷識別問題的方法； （ 4 ）基於java語言設計並實現了結構損傷識別系統。
  20. In the second chapter, it elaborates the principles of beam bridges construction control

    第2章闡述了梁橋施工控制的基本理論。
分享友人
分享到 Line

分享到臉書