equivalent load 中文意思是什麼

equivalent load 解釋
當量載荷
  • equivalent : adj 1 相當的,相同的,同等的。2 【化學】等價的,當量的;【數學】等價的;等量的;等勢的;【物理學...
  • load : n 1 裝載,擔子;負擔;工作(負荷)量。2 (車船等的)裝載量;一馱,一車,一飛機。3 【電、機】(機...
  1. ( 4 ) the percentage phosphorus loss by bed load was equivalent to mat lost as a result of runoff in traditional fanning practices, whereas in the rest of farming system the loss by runoff phosphorus was 67. 59 % - 88. 11 %

    ( 4 )順坡農作處理的徑流小區通過椎移質流失的磷素和邁過徑流流失的磷素基本相當,其它處理的土壤磷素主要以徑流方式流失,其流失量占土壤全磷流失量67
  2. The calculation modes of the coefficient of shrinkage and creep of the bulgy core concrete in steel tube are discussed. based on a few reasonable hypotheses and the stress - strain relation of concrete acquired by the " adjusting valid modulus depending on load time " method, a compact formula is reasoned out, which is applied to calculate the equivalent elastic modulus of the bulgy core concrete considering the affection of shrinkage and creep. so, the analysis of the affection on cfst arch bridge by shrinkage and creep can be progressed by pole - girder fem, further more, the analysis precision is quite high

    本文還對核心膨脹混凝土特殊的收縮、徐變系數計算模式展開了探討,在合理的假設前提下,採用「齡期調整的有效模量法」得到的混凝土的本構關系,推導出鋼管內核心混凝土在考慮徐變影響后的等效彈性模量計算公式,並以此為基礎採用桿系有限元方法來對鋼管混凝土拱橋進行較高精度的收縮徐變分析。
  3. When reinforced concrete upper structure - piled raft - subsoil system is studied, every part of this system is looked upon homogeneous discrete space. accofding to static equivalent principle, equivalent node loads are calculated, and load embattle is integrated with element equivalent node force and directly bearing load

    在分析時,本文將鋼筋混凝土上部結構和地基、基礎的研究問題視為各向同性空間問題,且按靜力等效原則計算等效節點荷載,荷載列陣由單元等效結點力和直接作用於單元結點上結點荷載集成而得。
  4. Equivalent uniformly distributed live load

    等效均布活荷載14
  5. The paper is based on innumerable practical heavy - load road data, deliberate heavy - load standard in detail through theoretical arithmetic, and bring heavy - load standard about cement concrete pavement and asphalt concrete pavement separately ; in the meantime, through a large quantity of cement concrete pavement stress calculation, the paper puts forward relation expression between load on concrete board and stress level under board ; meanwhile, the paper puts forward traffic classification about cement concrete pavement and asphalt concrete pavement ; through bearing board testing on each structure sheaf the paper finds the material modulus gets modified ; through comparing position equivalent rebound modulus to theoretical equivalent rebound modulus, the paper points out limitation of nomograph in course of cement concrete pavement design, whereby, puts forward modifier formulas about theoretical equivalent modulus

    本文以大量的重載道路資料為主,從實際出發,結合理論計算,對重載標準進行了詳細的討論,分別給出了水泥混凝土路面與瀝青混凝土路面的重載標準了;同時,通過大量的水泥混凝土板底應力計算,推導出了混凝土面板荷載與板底應力水平的關系式;給出了水泥混凝土路面與瀝青混凝土路面的交通分級;通過對試驗路各結構層進行承載板測試,發現現有材料模量較以前有了明顯的提高;對比現場實測的當量回彈模量與理論當量回彈模量,指出現有水泥路面設計中的諾謨圖不能完全符合現有道路材料,從而提出了對理論模量的修正公式。
  6. In different in terne die travel, the metal flow characterize in warm extrusion forming processes and the affection for the flow of metal stage which made by the difference between the blank bottom altitude and the axial direction limiting size in warm extrusion forming technique have been analysed we have gotten the equivalent strain field and the velocity field and other field variable that the blank in different in terne die travel and the die travel - load curve. at the same time, we have analyzed the contributing factor for the oil pump stator forming process optimized and achieve thereasonable die parameter for the war m extrusion forming finally, the optimized technics parameters were used into pilot production, then the qualified oil pump stator forging were produced, the analog results were compared with those of pilot production

    論文具體分析研究了不同成形工藝過程中金屬流動的特點,並對不同凸模行程下溫擠成形過程中的金屬流動特點、坯料連皮厚度(底部高度)與溫擠壓成形工藝中的軸向界限尺寸的差值對金屬變形階段的影響進行了分析,獲得了坯料在不同凸模行程下的等效應變場、速度場等場變量及凸模行程-載荷曲線,同時對油泵定子成形過程的影響因素等進行了分析,優化並獲得了合理的溫擠成形工藝及模具參數。最後,利用模擬優化獲得的各項工藝參數進行生產實驗,得到實際生產出的合格油泵定子件,並將模擬結果與生產實驗結果進行比較。
  7. First from system aspect, this paper uses voltage sensitivity, pv curves method, equivalent reactive compensation method, back - up generation method to evaluate the reactive value of the generators in seven buses system and ieee 14 buses system. the vs and pv methods can evaluate the source ' s ability of tracking the load ' s variation. the erc and back - up methods can evaluate the availability of replacing other generators. the value determines the cost

    從對系統貢獻角度,採用電壓靈敏度方法( vs法) 、 pv曲線法、等效無功補償法( erc ) 、無功備用方法來確定一個七節點系統中的發電機的無功價值和ieee14節點系統的發電機的無功價值,電壓靈敏度法和pv曲線法可比較出不同電源跟蹤負荷變化的靈敏度大小,而等效無功補償法和無功備用方法可比較出不同電源替換其它發電機是否是最有效率的。
  8. Five - yearly operational testing should be done by lowering the boat loaded to a proof load of 1. 1times the maximum working load of the winch, or equivalent load

    五年度操作測試應該使船裝載超過最大裝載負荷的1 . 1倍或者等於裝載負荷的貨物,然後下沉。
  9. To prepare international standards for electrical energy measuring and electrical load control equipment ( such as watt - hour meters, var - hour meters, maximum demand indicators, telemetering for consumption and demand, equipment for remote meter reading, time switches, equipment for the control of loads and tarifs and consumer services ) including the equivalent electronic forms of these devices and their accessories

    負責制定電能測量和負荷控制設備(如:有功、無功電度表、最大需量指示器、損耗和需量的遙測、遠程抄表設備、時間開關、負荷和費率控制設備及用戶服務等)的國際標準,包括功能相近的運用電子技術實現的設備及其附件。
  10. Program can analyze the multi - girder curved bridge, by using the diatropic distributing theory. it can calculate the dynamic programming loading, by using the combined influence. it can analyze the internal force under the action with the prestressed force, by using the equivalent load method

    程序採用橫向分佈的實用計算理論來處理多主梁曲線梁橋的空間受力分析問題;採用組合影響線來對曲線梁橋進行動態規劃加載;採用等代荷載法對曲線梁在預應力作用下的結構內力進行分析。
  11. Then, an ideal elastic stress - strain relation model is debated to buildup the equivalent load from the development deformation. the potential energy fonctionelle is built with the structural displacements introduced. the optimization equations are built by making the variation of the potential energy fonctionelle be zero

    根據有限元方法,引入網格結點結構位移,建立了以單元結點lagrange位移和結構位移表達的變形位能泛函,利用變分法理論建立了使變形位能取極小值的優化模型。
  12. Study on the equivalent load of the transmission system of high speed locomotive

    高速機車傳動系統等效負載的研究
  13. The calculation for equivalent load of unbonded prestressed continuous slab

    無粘結預應力連續板中等效荷載的計算
  14. A new step - by - step integral procedure of dynamics equations is presented. the general expression of the solution of dynamics equations is obtained on the basis of the homogenous analytical solutions of dynamics equations and duhamel integration. the explicit analytical integration algorithm, which is characterized by fourth - order accuracy, self - starting and self - correcting, is employed to discretize the equivalent load terms

    另外提出了求解動力學方程的一個新型的逐步積分法,基於線性動力學方程的解析齊次解及duhamel積分,構造出適用於非線性動力學方程解的一般積分表達式,對包含非線性項的非齊次項採用插值近似的方法,得到一個單步顯式、自起步、預測校正具有四階精度的解析逐步積分演算法。
  15. First, based on the analysis to the development condition of computer and property of the input data of bridge, this paper, taking convenience and practicability as principle, develops the multi passages data - in system made up with human - computer interactive interface and excel import model. second, after comparing and analyzing to the calculation theories and methods of creep and shrinkage, clearing up the key steps of creep and shrinkage analysis, the paper takes incremental method to establish program to analyze secondary inner force caused by creep and shrinkage. third, the paper puts some optimal or simplified treatment to the contents of pre - stress and develops relative program ; in addition, through analysis to the different methods used to calculate the secondary inner force caused by pre - stress, the paper combines equivalent load method with finite element, carries out some simplified treatments, and establishes program to calculate secondary inner force caused by pre - stress

    首先,在分析當前計算機的發展狀況及橋梁結構輸入數據特點的基礎上,以方便、實用為原則,採用人機交互界面和excel輸入方式聯合的多通道數據輸入系統;其次,通過比較分析徐變收縮計算的各種理論及方法,澄清了徐變收縮分析的關鍵過程,並採用增量法編製程序,實現徐變收縮次內力分析;再次,對預應力的相關計算內容進行適當優化或簡化處理,並編制相應程序;另外,本文還在比較預應力次內力各種計算方法的基礎上,將等效荷載法結合有限元進行一些簡化處理,編製程序實現預應力次內力的計算;最後以三個算例來校核計算方法及程序運行結果的可靠性,取得了預期效果。
  16. Then, combined with the mechanism of vacuum preloading and based on the layer method, settlement calculation of vacuum preloading was analyzed. the study shows that the vacuum degree under membrane equivalent load method does not accord with the mechanism of vacuum preloading. based on the layer method, vacuum degree difference method and effective stress method are presented. the results show that the final settlement calculated by the vacuum degree difference method is more close to the observation results

    然後,結合真空預壓的機理,基於分層總和法的思想,對真空預壓沉降計算方法進行研究:指出用現有的膜下真空度等效荷載法進行沉降計算不符合真空預壓機理;提出了符合真空預壓機理的真空度差值法與有效應力法,前者所推算的最終沉降量較接近實測推算結果,後者與實際結果存在一定差距。
  17. Since the strain of erecting double contact wire of overhead contact system in urban rail transition is quite great, the author integrates the experience of construction of shanghai pearl line 1 in the first phase and holds that the application of equivalent load about strain to double wires in contact networks is safer and more reliable in the process of installement

    摘要基於城市軌道交通接觸網系統中雙承力索、雙接觸線張力比較大這一特殊情況,結合上海軌道交通3號線一期工程的具體實踐,介紹了張力等效負載法的應用方法及原理。
  18. On basis of this property a new type of coherence function was proposed and a simplified method of analyzing structure ' s wind - induced response and equivalent load was proposed. wind tunnel experiments with the caarc standard tall building model was executed to verify the proposed method with the dynamic balance technique. the comparisons show the good agreement on the basis of linear mode shape assumption that is used in balance technique

    按照簡化方法計算的基底傾覆彎矩功率譜、基底彎矩響應、頂部加速度和位移響應等參數均能與高頻底座天平試驗的結果較好的符合,等效設計荷載的計算結果也與按照《建築結構荷載規范》的計算結果具有一定的可比性。
  19. This paper analyses model and control system of upfc and tcsc, and respectively completes interface with network, upfc using equivalent load decoupled algorithm and tcsc using compensation algorithm. by programming software, transient stability computation for power system containing facts devices can is realized. the correctness and effectiveness are proved using numerical example in the modified epri - 36 bus system

    本文詳細分析了facts元件中upfc 、 tcsc的模型和控制系統, upfc採用等效負荷解耦演算法, tcsc採用補償法分別實現了與電力網路的介面,通過編制相關程序,實現了混合系統中含upfc 、 tcsc的暫態穩定計算,並以修改過的epri - 36節點系統為例,驗證了該演算法的正確性和合理性。
  20. 7 ) in the prestesssed frames, direction of secondary moment of horizontal brace and secondary moment of equivalent load is sameness. horizontal brace is stronger, secondary moment of horizontal brace is bigger. 8 ) crack of column has influence on moment modulation on prestressed frames

    ( 7 )在預應力框架中,一般情況下,橫向約束次彎矩和等效荷載次彎矩同向,它同樣影響總次彎矩的大小,橫向約束越強,橫向約束次彎矩就越大,在次彎矩調幅中所佔的比例就越大。
分享友人