span by span method 中文意思是什麼

span by span method 解釋
移動支架逐跨施工法
  • span : n 1 一?〈手指張開時，拇指尖至小指尖的長度，通常九英寸〉。2 （常有短的涵義的）一段時間；很小的間隔...
  • by : adv 1 在側，在旁，在附近。2 （擱）在一邊，（放）到旁邊，（存）在一旁；收著。3 （由旁邊）經過，過...
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. Approximately one-third of the span from the pier may be erected by the free cantilever method.

    大約三分之一的跨長可以由一個橋墩起靠自由懸臂的方法向前架設。
  2. Abstract : the calculation method of temporary load of the continuous carrier bar with different distance span was discussed. the length calculation in design of the pressure bearing bar with the different distance span which has to be worked out can be done by means of this method ， thus making the structure design in construction more accurate and convenient

    文摘:討論了不跨連續壓桿的臨時荷載計算方法，應用該方法可以解決不跨受壓桿件設計中必須解決的長度計算問題，從而使施工結構設計更為準確簡便
  3. The calculation method of temporary load of the continuous carrier bar with different distance span was discussed. the length calculation in design of the pressure bearing bar with the different distance span which has to be worked out can be done by means of this method ， thus making the structure design in construction more accurate and convenient

    討論了不跨連續壓桿的臨時荷載計算方法，應用該方法可以解決不跨受壓桿件設計中必須解決的長度計算問題，從而使施工結構設計更為準確簡便
  4. As to the current problems existing in the identification for these flutter derivatives, the dissertation tries to trace the development in the identification for the past unsteady aerodynamic forces of long - span bridges. it also investigates the method for flutter and buffeting analysis and the flutter derivatives. based on the present methods used in obtaining the unsteady aerodynamic forces and flutter derivatives, and co - funded by a natural scientific fund from the nation and a key project fund from the railway ministry, the current research has attempted to develop a device which can be employed in the wind tunnel to test flutter derivative through a forced vibration method

    鑒于目前橋梁斷面顫振導數識別的水平和存在的問題，本文通過對大跨度橋梁非定常氣動力、顫振分析方法及顫振導數識別方法的回顧和評述，基於現有的非定常氣動力和顫振導數的測試方法，在國家自然科學基金與鐵道部重點學科基金的聯合資助下，研究開發了一套在風洞中採用強迫振動法測試顫振導數的裝置。
  5. We have developed the theory of boundary shielding approximation of electric polarization, from which the values of spontaneous polarization of some typical ferroelectric materials can be derived. the shielded charges in ferroelectricity are in the state of surface bound polaron - dipole whose creation and annihilation must span a potential barrier. by introducing statistical method, four types of typical electric hysteresis loops of some common crystals and ceramics have been given, which are well consistent with the experimental results

    利用電極化的邊界屏蔽近似，可計算出一些典型鐵電單晶的自發極化強度.鐵電屏蔽電荷處于表面束縛極化子偶狀態，其產生和湮沒要跨越位壘.由統計方法給出的一些常見晶體和陶瓷的四種典型電滯回線形狀，和實驗觀察到的結果一致
  6. An efficient wind field simulation technique for wind - induced vibration analysis of long - span bridges is first introduced in this paper ， and the statistic characteristics of the simulated wind field are then discussed on this basis ， the time - domain expressions for the buffeting and self - excited forces acting on long - span bridges are further given a simple and practical method is presented for the non - linear parameter identification involved in the calculation of self - excited forces by using the above theory ， the wind field and aerodynamic forces acting on the hong kong ting kau bridge are obtained the time - domain buffeting response analysis of the bridge shows that the analytic results agree quite well with the experimental ones this indicates that the theory presented in this paper has reached a practical level

    介紹了一種快速高效的用於大跨度橋梁風致振動分析的風場模擬方法，並對模擬風場的統計性質進行了討論和驗證在此基礎上進一步給出了大跨度橋梁抖振力和自激力的時域表達方式，其中針對自激力計算中涉及的參數識別問題，提出了一種簡單實用的非線性參數識別方法本文採用上述理論，獲得了作用於香港汀九大橋上的風場和氣動力，據此對大橋進行的抖振響應時域分析表明，計算結果與風洞試驗結果吻合良好，說明文中述及的這套理論已達到實用的階段
  7. Considering the above reason, this paper, by the action - reaction model in the design theory of underground structure, and by fem, establishes an analysis frame based on the characteristics of the cavern - pile method. the influences of tunnel span, height, overburden depth, and excavation sequence on the cavern - pile method are discussed by a careful interpretation of the modeling result. in addition, a comparison of surface settlement and engineering quantity of the cavern - pile method with those of the binocular excavation method, bench cut method and cd method are made in the paper

    本研究主要是依據目前地下結構設計及計算理論中的地層結構法，以有限單元法為計算手段，針對淺埋暗挖洞樁法的自身特點確定了模擬分析方案，並通過計算結果的處理和分析指出了洞室跨度、高度、埋深、施工工序等因素對淺埋暗挖洞樁法的影響規律。
  8. A new bridge structure cooperated by the single - towered cable - stayed structure and the rigid frame structure was presented. many aspects of jinma bridge are researched and analyzed, such as the design method, configuration of the superstructure, section choice of the tower, design and construction methods of the deep - water bases, the stiffness of the cooperated rigid frames, strengthening way in the tower. it is concluded that this new structure is the economical, aesthetic and suitable project for the large - span situation

    主要內容和結論如下： 1 、提出了獨塔斜拉橋與兩側剛構相連接的新型協作體系斜拉橋結構形式，並對該橋的方案比選、設計思路、橋面系結構形式、塔柱截面設計、深水基礎的設計及施工方法、協作剛構的剛度選取、塔柱的直束加固等方面作了詳細地計算分析和比較。
  9. Additionaily, the calculation method presented by specification for design of r. c. special shaped columns ( dbj / tl5 - l5 - 95 ) is discussed. in order to study the shear responses of special shaped columns, the ratio of tensile flexural steels " the ratio of moment and the shear - span ratio were analyzed

    為了研究異形截面柱的受剪性能，本文在總結已有試驗資料的基礎上，分別討論和分析了考慮受拉縱筋配筋率、彎矩比和剪跨比對異形截面柱受剪承載力的影響。
  10. Four - way simply support common and long span composite slabs were also studied by the author with the finite elements method, and a calculation method was proposed

    分析了組合板的破壞方式；採用有限元分析方法研究了四邊簡支普通跨度和大跨度的型鋼和壓型鋼板與混凝土組合板的抗彎承載力，提出承載力計算方法。
  11. In this paper, the design technical management and synthesis of engineering specialty in each stage of airplane life span is discussed emphasisly, in the light of the development of a certain medium - range aifto - ground missile bomber and a certain air4o - ship missile bomber. the principle and method of engineering system engineering is adopted to the management of airplane design technique. by drawing on the experience of advanced management from foreign airplane ' s abstract development, the standardized method of the design technical management and synthesis of engineering specialty in each stage of airplane life span is presented in this paper

    本文結合某型中程空地導彈機和某型空艦導彈機不同階段的研製，對飛機壽命周期各階段設計技術管理和工程專業的綜合進行了重點研究，把工程系統工程的原理和方法應用到飛機設計技術管理中，借鑒了國外飛機研製的先進管理方法，提出了飛機壽命周期各階段設計技術管理和工程專業綜合的規范化方法。
  12. Regarding the rc beams subjected to concentrated load or even load and braced by bonding steel, an analysis is made on the relevant factors influencing maximum anchorage shear stress of steel sheet. the analysis is based on elastic theory and makes use of the formula for calculating anchorage shear stress of steel sheet. as indicated by the results, the maximum anchorage shear stress not only realtes to such parameters as height of cross section of rc beam and span but also relates to the thickness of adhesive layer, elastic modulus, thickness of steel sheet, and length of steel sheet. the present method will check maximum an chorage shear stress on the end of shear sheet so as to prevent rc beam from local damage. the present results will offer important reference for our country to further perfect bracing design by bonding steel method

    在彈性理論的基礎上，利用鋼板錨固剪應力計算公式，對在集中荷載或均布荷載作用下採用粘鋼加固的混凝土梁，分析鋼板錨固最大剪應力的有關影響因數.結果表明，最大錨固剪應力不但和混凝土梁的截面高度、跨度等參數有關，還和粘膠層厚度、彈性模量、鋼板厚度及鋼板長度有關.採用文中方法可以對鋼板端部最大錨固剪應力進行驗算，防止混凝土梁出現局部受拉破壞.研究結果為進一步完善我國粘鋼法加固設計提供重要的參考資料
  13. Electrochemlcal sensor was widely used in the analytical determination recentlythe studyofchemlcal modified electrode （ cme ） whlchact as electrochemlcal sensor was very plentiful the chemical modified carbon paste electrode （ cmcpe ） which was fabricated by mingling modifier with carbonpaste 叩 plledmore often the cpe has the characteristic ofeaslly modified ， wide using range ， fabricated easily3 innoculty ， long llte span etc because modified spedal substance cmcpe has spedal mnctlon ， it is studied more and more byelectfochemlcal worker now supermolecule chemistry ， the emerging and up to date cross su 刊 ect ， involves all su 刊 ects of chemistry biochemistry and material science etc inthatsupralllolecule c 卜 cthlstry chcffi1stfy offers an effective method for chemists to solve the long term puzzle of improving selectivity ， ithas gotten a great devebpment from it ’ s theory beingput forward we can expect the greatly wide application ofsupermolecule chemistry on cme but because the difficulty how to station it on the surface of ethetrode cannot be solved easily ， the application of supermolecule chemistry on cme was defined

    Cmcpe具有了一般碳糊電極的特點，同時又因為修飾了特定物質，使cmcpe具有了特定的功能，越來越受到電分析工作者青睞。而超分子化學是一個新興的跨學科的交叉前沿領域，由於超分子化學解決了一直困擾化學工作者的選擇性問題，因而從其理論提出以來，就得到了巨大的發展。可以預期超分子化學在化學修飾電極方面將有非常廣闊的應用前景，但現在由於將超分子試劑修飾在電極這一環節上存在困難，所以現在超分子試劑在cpe上應用較少，在cmcpe中的應用更少。
  14. Span by span method

    逐跨工法
  15. Based on the system engineering theory, and through detailed analysis of economic techniques of the engineering work plan examples of the common used long span steel truss structures, utilizing the sequenced layer analysis, the current paper will establish the long span engineering work plan index system. also by the fuzzy mathematical principles, it builds multi - layer fuzzy complex mathematics judgment and calculate the weight coefficient of each index by application of fuzzy power duality method ; and based upon the experts investigation method builds each index judgment matrix. finally applying the current popular update system tool - power builder 8. 0 developed the " optimization system of ( construction ) fuzzy work plan " to solve and carry out the multi - layered fuzzy combination judgment ; then step on the analysis and research on the reliability of the optimal solution for further achievement of the final objective of the fuzzy optimization in selecting the construction work plan of long - span steel truss realization

    本文以系統工程學的理論為基礎，通過工程實例對常用大跨度鋼桁架結構施工方案進行詳細的技術經濟分析，運用層次分析法建立起大跨度鋼桁架結構施工方案的指標體系，利用模糊數學原理建立了多層次模糊綜合評判數學模型，採用模糊權重二元對比法計算出各指標的權重系數，並採用專家調查法建立各指標的評判矩陣，利用目前最流行的工具系統- powerbuilder8 . 0編制了《建築施工方案模糊優選系統》求解計算，進行多層次模糊綜合評判；調整權重和隸屬度，對數學模型最優解的可靠性作了進一步的分析和研究，從而達到模糊優化選擇大跨度鋼桁架結構施工方案的最終目的。
  16. In chapter 3, by minimizing a quadratic model restricting next search direction to a subset of span { - g _ ( k ), d _ ( k - 1 ) }, we propose other formula of parameter ~ ( * ) k convergences of the new method and its hybrid formula are proved under monotone line search. their numerical results show that they are efficient

    在第三章中，通過最小化一個限制下次搜索方向在span { - g _ k ， d _ （ k - 1 ） }子集上的二次模型，我們提出了_ k ~ *取新形式或其雜交形式的共軛梯度法是有效的。
  17. In this dissertation, the up - to - date theory and method of construction control are researched by depending on the construction monitoring and controlling of hong - shui river long span bridge ni guang - xi province

    本論文依託廣西水南公路紅水河特大橋的施工監測與控制，研究最新的施工控制理論和方法。
  18. Based on the one - side processing technology, the dissertation proposes a new method of structure design and realizes the drive of sc by pure roller pairs of point engagement. this new drive mode apparently improves the driving accuracy, efficiency, life - span, movement and dynamic feature of scm

    在凸輪廓面採用單側面加工工藝基礎上，提出了結構設計的改進形式，結合廓面修形方法，實現了空間凸輪機構點接觸的純滾動副傳動，顯然提高了機構的傳動精度、效率、使用壽命、運動性能和動力性能。
  19. This paper introduces the development and present situation of vibration absorb technology in the world ; generally analysis the rubber - bearing ( rb ) and lrb " s operative mechanism, function and the calculation of parameter ; advance the concept of standardization to lrb ; on the basis of generally analyzing the connected factor such as the site category, the diameter of lead bar, the height of bearing, the designing carrying capacity, the span of bridge, the inherent period and the displacement of rb, determine the parameter, the absorbing vibration target, the method and the process of standardization to lrb ; then according to the two - step rule of resisting and defending earthquake, and combining with the response spectrum theory in the seismic vibration of bridge, make a lot of calculation and analysis of vibration absorb design to the real bridge collected and combined by finite element program ; at last, gives the result of standardization through diagram and explains to its usage

    本論文介紹了國內外減震技術的發展和現狀；綜合分析了普通板式橡膠支座和鉛銷橡膠支座的工作機理、性能及參數的計算；提出了鉛銷橡膠支座標準化的概念；在綜合分析場地土、鉛銷直徑、支座高度、設計承載力、橋梁跨徑、固有周期以及支座變位等影響因素的基礎上，確定了鉛銷橡膠支座標準化的參數、減震目標、方法和過程；並根據抗震設防兩階段原則，結合橋梁地震振動理論的反應譜法，運用有限元程序對收集和組合的實橋進行了大量減震設計的計算和分析；最後以圖表的形式給出了鉛銷橡膠支座標準化的結果，並說明了其使用方法。
  20. By now, the research has been mature on enhancing the recrystallization temperature and mechanics performance of molybdenum wire in order to prolong its life span and enlarge its employ boundary by doping method. some of the doped molybdenum wire has been manufactured

    到目前為止，國內外對于用摻雜的方式提高鉬絲再結晶溫度和綜合力學性能以延長其高溫下的使用壽命、擴大其使用范圍的研究已比較成熟，有些已投入生產。
分享友人
分享到 Line

分享到臉書