橋連理論 的英文怎麼說
中文拼音 [qiáoliánlǐlún]
橋連理論
英文
bredging theory-
Considering to the continuous rigid - frame bridge construction characteristic, putting forward the idea of reverse to optimize prestressed steel. according to different construction phases, the paper gets the formual of the cantalever phase, join two section of a bridge phase and the vertical prestressed steel, and works out corresponding program
考慮大跨徑預應力混凝土連續（剛構）橋施工的特點，提出了基於倒裝方法的預應力靜定束、合龍束以及豎向束的優化設計理論，並編制了相應的計算程序。However, it is impossible for astronomers to see the even horizon directly due to the current technical limitation. therefore what scientists discovered so far is only an indirect evidence of the gravitational redshift or similar phenomenon caused by black holes. but those results undoubtedly become an important bridge for linking black hole theory with actual observation
雖然目前的觀測技術尚未允許我們直接看到黑洞的視界，所以有關黑洞產生的重力紅移或者類似的觀測結果都不是決定性的，但這些結果無疑會成為連系黑洞理論和實際觀測的重要橋梁。In order to meet the demand of bridgework, we monitor and analyze the stress and the deflection during the process of bridge construction
本論文根據橋梁工程建設的需要，對施工過程中簡支轉預應力連續結構的應力和撓度進行理論分析和施工監測。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Abstract : 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
文摘: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In this thesis, aim to the beam axis shape be exactitude for design, the internal force of the beam be appeased by design request, the concept of modem cybernetics is applied, at the same time, the effecting parameter has collected. the paper build the ann model in predicting the beam camber an construction and discuss indetail the extraction of inputting nodes information when quoting the fundamental principle of ann model and introducing research process of the improved bnn. according to them, ann is applied in the construction control of prestressed concrete continuous bridge
本文以大橋成橋線形滿足設計要求和成橋內力控制在設計容許范圍內為目的，運用現代控制理論的思想，引用神經網路基本原理，詳細介紹bp神經網路的研究過程，從而建立預應力混凝土連續梁橋施工預拱度的神經網路模型，並詳細討論了模型的神經網路結點信息的提取，在工程實例的基礎上進行了數值計武漢理工大學碩士學位論文算，數值表明，將神經網路應用於預應力混凝土連續梁橋施工控制，獲得了滿意的結果，在預應力混凝土連續梁橋施工控制技術研究方面，具有方便有效、精度高的優點，具有良好的應用前景。Generally, the skew bridge ' s calculation theories can be divided into three types : the category 1 is the plank theories method, such as the finite difference method, the finite element method and the finite strip method, etc ; the category 2 is the beam theories, such as the grid beam theories, the general grid theories, the rigid cross - beam method, the elastically - supported continuous beam method and the bar system analytical method, etc ; the category 3 is the practical method, such as the g - m revising method, the grid - beam simple method and ghali form coefficient method, etc
目前關于斜梁橋的計算理論和方法概括起來，大致可以分為三類：第一類為板理論方法，如有限差分法、變分法、有限單元法、有限條法等；第二類為梁理論法，如格構梁理論、一般格構理論、剛性橫梁法、彈性支承連續法、桿件結構的分析方法；第三類為實用計演算法，荷載橫向分佈的計算方法如g ? m修正法、格構梁的簡易法、 ghali表格系數法等。The transverse stiffness limitation index ? the permissible ultimate width / span ratio b / l of the continuous steel truss girder of railway bridge is analyzed in accordance with the analytic theories of random vibration of train ? bridge time - variation system and the required derailment coefficients and comfort of drivers and passengers in train running through the bridge. the limitation index in question may be referred to in the design of the continuous steel truss girders of railway bridges
基於列車-橋梁時變系統隨機振動分析理論，按照橋上列車脫軌安全系數和司機、旅客舒適度的要求，對鐵路連續鋼桁梁橋橫向剛度限值-橋梁容許極限寬跨比b / l進行了分析，對鐵路連續鋼桁梁橋的設計具有一定的參考作用。On the basis of the analyse of built continuous rigid - frame bridge ratio of span, according to the concept of engineering economy, while only to think about cost, the paper gains to choice rational ratio of span formula
以既有pc連續剛構橋孔跨比分析為基礎，以工程經濟為基本理論，提出了經濟跨徑的計算方法。All of the researches are carried out on the background of a spatial continuous beam - arch composite bridges, and the relative loading experimental results are compared with the calculated values. it indicates that the theory of elastically supported continuous beam method load lateral distribution is a kind of simple convenience and safe practical engineering calculation method. 2 ) the suspender force and correlated modality is analyzed with the use of general calculation program ansys. during testing suspender force, the influence of the rigidity of suspender must be considered
在此基礎上，以一座實際的預應力混凝土連續梁拱組合體系橋梁為工程背景，採用一般的試驗研究方法對該橋進行了荷載試驗研究，並將有關的荷載試驗結果與理論計算值作了比較，結果表明：所提出的彈性支承連續梁法計算值，與空間有限元分析理論值及荷載試驗測試值基本吻合。Therefore, it is necessary to get temperature mode and its effect on the stress and the line deformation in one region of our country by theories and experiments. it can be used in the bridge design, which makes a reasonable time to construct, sprinkle concrete and control appropriate temperature on key constructing processes
因此，有必要通過實驗和理論等研究工作，得到合適於我國或某一地區的大跨度pc連續梁橋的溫度場分佈規律及其溫度效應，可以用於指導設計，確定施工立模及混凝土澆注的合理時機，對關鍵的施工工序進行適當的溫度控制。In this paper, the three level fortification criterion, two stage design method and the elastic response spectrum theory are adopted, and the program of nba ( the program of nonlinear - aseismic analysis for beam bridge ) is used to calculate. through gathering, analyzing and calculating a lot of bridge design materials, this paper induces a simple way to calculate the relative displacement of the beam and the pier, and then according to the current design method, it concludes a better design principle of the supporting length of the beams. at the same time the dynamics is adopted to put forward the design method of the carrying capacity and the lengthen of prestress wire ( steel bar ) falling - off prevention structures of highway bridges
本論文採用三水準設防、兩階段設計方法、彈性反應譜計算理論，運用橋梁結構非線性地震響應分析程序nba （ theprogramofnonlinear ? aseismicanalysisforbeambridge ）進行計算；通過收集大量的實橋設計資料，經分析計算，歸納總結出計算上下部結構相對位移的簡便計算方法；並綜合國內外的經驗值，提出梁的支承長度se的設計原則；同時運用動力學突加荷載的原理，推導分析了預應力鋼絞線式（鋼棒連接式）落梁防止裝置設計承載力的計算方法和設計伸長量s _ f的取值；最後本文通過實橋計算，說明了落梁防止系統設計的方法。In theory, it is feasible that using grey system theory to forecast flexibility. on the basis of this theory, taking 270 meters span continuous rigid frame bridge of humen bridge as an example, this paper analyzes the flexibility deformation in th e process of construction
採用灰色系統理論來進行預測，從理論上來說具有一定的可行性，基於這一思想，本文以虎門大橋270米混凝土連續剛構橋施工中的撓度變形為例進行了計算分析。Chapter two discourses the basic theory, calculation model and main advantages and disadvantages of regression analysis and time series analysis. chapter three discusses grey system theory in detail, including the basic theory, grey incidence analysis, model in common use and forecasting method. chapter four analyzes the results of flexibility deformation of 270 meters span continuous rigid frame bridge of humen bridge, calculated with regression, time series and grey system model
第1章介紹了變形監測的目的、意義、分類以及變形分析與預測研究的現狀和進展；第2章論述了回歸分析和時間序列分析的基本理論、計算模型和主要優缺點：第3章詳細討論了灰色系統理論，包括建模的理論基礎、灰色關聯分析、常用模型和預測方法；第4章為採用回歸模型、時間序列模型、灰色系統理論模型，對虎門大橋270米混凝土連續剛構橋施工中的撓度變形進行的計算分析。In allusion to section modality and transverse joint of common span bridges, we choose two kinds of calculating theories in transverse distributing calculate process : the theory of rigidity crossbeam and the theory of hinged girder and slab. making the use of the theory of optimized design, i constitute mathematics model and choose appropriate calculated method. and find the form and detail dimension of section when beams of the bridge satisfy bending moment ^ shearing force and torsional moment
在用橫向分佈理論計算單梁扭矩過程中，針對現有常用跨徑橋梁的截面形式和橫向連接狀況，選取了兩種計算理論：剛性橫梁法和鉸接梁（板）法，利用結構優化設計原理，建立主梁承載力的數學模型，選擇合適的優化計算方法，得出在滿足彎剪扭承載力要求時主梁的細部尺寸。The author designed, made, processed and tested to the plexiglass model and the bridge. then author calculated and analyzed the results, as a result of the computer programs bsas, sap, qjx and nastran. the author researched the force characteristics and structural behavior of large - span prestressed concrete bridges with continuous rigid frame structure, used the advanced theory and technology, materials, arts and crafts to resolve the practical matters in design and construction, to optimize structure, and to provide credible technical data for the design and construction and maintenance of bridges
本文以吉林省九站松花江特大橋為研究對象，通過有機玻璃模型的設計製作及加工和試驗，以及對已竣工通車的實橋荷載試驗，利用計算機程序bsas 、 sap 、 qjx及nastran等程序進行理論計算和綜合對比分析，探討大跨徑預應力砼連續剛構橋的力學特點和使用性能，運用先進的理論、技術、材料、工藝等來解決設計和施工中存在的實際問題，優化結構，並為橋梁的設計、施工及使用維護等提供可靠的技術資料。At last, we gave the circuit connection method of web browse function and ethernet / rs232 gateway function and the detailed resolvent to improve the results of theory research. the result indicates that it is feasible to access internet with the method of micro controlling unit and virtual software package. this method will provide a new kind of resolvent to appliance accessing intemet, long - distance controlling and long - distance data collection
最後給出了實現網頁瀏覽功能和ethernet rs232網橋功能的實驗線路連接方法及具體實驗方案，來證明理論研究的結論。實驗結果表明採用8位微控制器與虛擬軟體包相結合的方式接入internet是完全可行的，這將為家電上網，遠程控制，遠程數據採集等提供一種新的解決方案。Using theory of structure intensity and prestressed concrete bridge, this paper reviews theoretical computing method of stress and deflection. making use of the procedure of computing bridge structure, the structure of simply supported - continuous system is calculated and the result is analyzed, the character on force and deflection is generalized in the paper
運用力學理論、混凝土結構強度理論和橋梁結構相關理論論述了橋梁應力與變形的理論計算方法；利用專用橋梁結構計算程序結合具體工程項目中的簡支轉預應力連續結構進行了數值模擬計算，並對計算結果進行理論分析，提出這種結構型式在受力狀態與結構變形上的特點。Using the time dependent finite element method of age - adjusted effective modulus, the author calculates the deflection which is induced by shrinkage and creep in a continuous rigid frame bridge of urban rail transit, and further compares with the site test result, the conclusion is very meaningful
摘要採用按齡期調整有效模量的時變分析有限元法，對城市軌道交通預應力混凝土連續剛構橋的收縮徐變變形進行了理論計算，並與實測結果進行了對比分析，結果表明理論計算是可信的。( 3 ). put forward two structure scheme of opto - electronic deflection measurement sensor, light transmitting with non - mechanical scanning and light reflecting with non - mechanical scanning after compared exisiting methods of liquid level measurement to satify this needafter the comparison, an opto - electronic deflection measurement sensor based on light reflecting with non - mechanical scanning be confirmed. then the concrete design is to carry out, which includes the design of reflective surface, the design of pds ( photo detective subassembly ) ' s bracket, the design of floater and the design of shaking - absorbed accessory. during the process, there are a series of caculations and emulations. at last, the opto - electronic deflection measurement sensor has been designed and produced
比較了現有液位測量方法后提出了能夠滿足大佛寺長江大橋撓度測量要求的基於連通管的光電撓度計的非機械掃描光透射式和非機械掃描光反射式的兩種方案，通過比較確定了非機械掃描光反射式方案。隨后通過對該方案進行具體的零件設計，主要包括反射面的設計， pds （光電接收組件）支架的設計，浮子的設計以及減震零件的設計等等，在設計的過程中包含了一些理論計算和模擬，最終設計和製作了光電撓度計。分享友人