橋梁撓度 的英文怎麼說

中文拼音 [qiáoliángnáodù]
橋梁撓度 英文
deflection of bridge span
  • 橋 : 名詞1. （橋梁） bridge 2. （姓氏） a surname
  • 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...
  • 撓 : 動詞1. （輕輕地抓） scratch 2. （擾亂;阻止） hinder 3. （彎曲,比喻屈服）yield;flinch:不屈不撓indomitable; unyielding
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 橋梁 : bridge; approach
  1. 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。
  2. Also, the thesis calculate and analysis the transverse deflection of steel box girder deeply in multiple factors. firstly, the article introduced the calculative methods and theory of local stress and strain of bridge structure. then program software system of finite element method was introduced. after that, the influential factors to the calculatial result and their values were analysed and suggested

    本文首先介紹了橋梁結構局部應力應變計算理論和方法，對有限元計算程序進行了介紹，然後分析了縱橫隔板設置、梁高及梁寬變化等因素對鋼箱梁橋面板在恆載作用下的橫向撓度的影響，並將這些計算結果進行對照分析，從而找出了影響橋面板橫向撓度的主要影響因素，並得出了相應的數值可供工程實踐參考。
  3. Study of deflection measure method on bridge load test

    橋梁荷載試驗撓度測試法研究
  4. Under selfgravity and secondary dead load, the wide steel box girder cable - stay bridge has a large deflection in transverse

    梁寬較大的斜拉橋鋼箱梁在自重和二期恆載的作用下，在橫橋向有著較大的撓度，在設計中必須予以考慮。
  5. Abstract : this paper introduces the global stiffness, strength and stability of bracing structure with long span, pointing out that the control of bracing structure ' s deflection and elastic module can make the arch ring fit the line of pressure and arch axis and can guarantee the stability of bridge structure

    文摘:本文介紹了大跨度支撐結構的整體剛度、強度和穩定性，控制支撐的撓度和彈性變量可使拱圈符合設計壓力線與拱軸線，保證橋梁結構的穩定性。
  6. The optimized reservoir ope ration is simulated for baozhusi hydropower station in sichuan. the analysis resu lts prove the rationality, feasibility and practicality of the model

    採用解析法對主梁進行了撓度計算，與試驗數據進行比較並分析了計算結果，認為橋機主梁的主梁強度、剛度實時檢測、監控系統基本上是可靠的，主梁2基本沒有塑性變形。
  7. This paper, in allusion to damage of expansion joint of bridge, introduces a sort of new structure of jointless device - semi - integral abutment jointless bridge, and establishes model of general structure finite element of this bridge, and in details analyses its qualities of stress. the model considers the interaction of superstructure - substructure - soil. resistance of the soil behind abutment adopts still soil pressure and elastic resistance when the temperature rising, but active soil pressure when dropping. analysis of qualities stress of bridge includes of action of dead load, car load, temperature load of season character. taking an 100m length pc semi - integral abutment jointless bridge as instance, the paper establishes the model of plane frame by applying large common software - anasys, and analyses it by elastane and large deformation to imitate character of stress and deformation of general bridge. at the same time corresponding models of finite element of joint bridge and integral abutment bridge are established, and unique stress and performance of structure of semi - integral abutment jointless bridge are researched by comparing and analysing character of three different models under same loading, and controlling factor of design and constitution are generalized. in conclusion, for semi - integral abutment jointless bridge, on one hand shear, moment and deflection of the main beam and axis force of substructure are approximate with that of joint bridge, and integral stifmess of structure is increased and damage of expansion joint is eliminated, on the other hand there is axis force in main beam, shear and moment of substructure are bigger than that of joint bridge. in all this type of jointless bridge has rational stress and is worth of application and popularization

    半整體式橋臺無縫橋梁計算模型考慮了上部結構-下部結構-土的共同作用；臺後土抗力升溫時採用靜止土壓力加彈性土抗力，降溫時採用主動土壓力；分析橋梁受力性能時考慮了結構自重、車輛荷載和季節性溫變荷載的作用。以一座橋長100mpc半整體式橋臺無縫橋梁為實例，採用大型通用軟體ansys建立平面框架模型，進行彈性、大變形分析，模擬全橋受力和變形特點；同時建立與此對應的有伸縮縫橋梁和整體式橋臺無縫橋梁有限元模型，通過三種橋型同步加載對比分析，研究半整體式橋臺無縫橋梁獨特的受力特點和結構性能，總結其設計控制因素和構造要求。通過本文研究知：半整體式橋臺無縫橋梁主梁的剪力、彎矩、撓度和下部結構的軸力與梁式橋相近，結構整體剛度增大，併除去了伸縮縫病害；但主梁增加了軸力，下部結構剪力、彎矩較梁式橋大；綜合分析是一種受力合理有實踐和推廣價值的橋型。
  8. In order to ascertain the real stress and deflection of structure this paper puts forward experimental scheme. by measuring data during the process of construction, we can know the distribution of stress in simply supported - continuous beam and compare with initial design, then we can adjust it by control method to ensure quality of the bridge

    提出具體的試驗方案，論述了測試元件的測試原理，通過測量各控制點在不同階段的應變和撓度，確定橋梁結構的實際應力大小和變形狀態，了解簡支轉預應力連續結構各跨主梁與連續處的應力分佈情況，並與設計相互驗證，通過施工控制使結構符合設計要求，保證施工質量。
  9. A kind of measurement multi - system for deflection of bridge

    一種便攜式橋梁撓度檢測復用系統的研製
  10. ( 2 ). discuss the factors which cause the bridge ' s deflection and pay more attention on the effect of the variry of cable ' s temperature on the bridge ' s deflection. then to bring forward the need of deflection measurement of the dafosi bridge of changjiang river

    討論了引起大跨度橋梁撓度變形的各種因素，並且著重討論了斜拉索溫度變化引起的橋梁撓度變形，繼而提出了大佛寺長江大橋撓度測量要求。
  11. To our satisfaction, all the measuring results from the measurement locale are accurate and convincing comppared with the results calculated by the theory which makes it clear that the system can meet the demands of measuring upon the dafosi bridge of changjiang river. the system has achieved the long - time and real - time automatic deflection measurement of the bridge at first time in our country, and the system has passed the appraisal of the experts consigned by the ministry of communications so the system has the practical value on the long - span bridge ' s deflection measurement

    通過對橋梁實際測量結果與理論計算的結果的對比分析可知，本文所設計的連通管式光電撓度測量系統測量數據準確，系統可靠，能夠滿足大佛寺長江大橋撓度測量的需要。該撓度測量系統首次在國內實現了橋梁主梁撓度的長期實時自動監測，並且已經通過了交通部的項目驗收，具有一定的推廣價值
  12. Closure construction of long prestressed concrete rigid frame - continuous girder bridge with multi - span

    大跨連續剛構橋預應力混凝土箱梁的長期撓度預測探討
  13. In order to accelerate the development of preflex composite beam in railway bridges and to design and construct preflex composite beam bridges of railway in our country reasonably, this thesis is from the scientific project of railway department " experiment and application research of railway preflex composite beam " and summarizes the design information and practical projects on preflex composite beam. on the basis of above works, this thesis improves computation method in analysis of railway preflex composite beam on sectional stress, deflection of mid - span, crack width and shearing resistance and programs a software " preflex composite beam bridge structure analysis system - pfsas ", which is adapt to railway bridges in our country. moreover it makes a primary research in construction techniques and structure measures

    為了迅速促進預彎組合梁在我國鐵路橋梁中的發展，合理地進行我國鐵路預彎組合梁橋的設計和施工，本文結合鐵道部科技研究開發項目「鐵路預彎組合梁的實驗與應用研究」 ，在總結以往對預彎組合梁力學性能研究成果及實際工程的基礎上，完善了鐵路預彎組合梁的截面應力、跨中撓度、裂縫寬度和抗剪分析的計算方法；編制了適用於我國鐵路橋梁的「預彎組合梁橋結構分析系統? ? pfsas 」軟體；並對預彎組合梁的施工工藝及構造措施進行了初步探索。
  14. The measurement of deflection of a bridge is crucial constituent part in the monitoring of bridges. the majority of existing methods about bridge deflection measurement can not accomplish the real - time and long - range measurement. the ultrasonic method based on connected pipes still has shortage in precision and speed of measurement. to satify the need of deflection measurement of the dafosi bridge of changjiang river, an opto - electronic measurement method is to be used to improve on the method based on connected pipes. furthermore, we will design an automatic opto - electronic deflection measurement system based on connected pipes which can be practised in the long - span bridge

    大型橋梁的安全監測具有重要的現實意義，而撓度監測是橋梁監測的一個重要的組成部分。目前現有的許多撓度測量方法還不能實現實時遠程監測，已有的連通管式超聲波法還存在著精度較低，測速慢等不足。針對大佛寺長江大橋撓度測量的需要，在此採用精度較高的光電測量方法結合連通管的優點加以改進。
  15. A model is built to assess the pre - stress loss, based on the differences between the academic account value and the survey of the bridge flexibility, the model parameters are identified by the genetic algorithm, and the pre - stress loss values of different sections are given

    為了對營運若干年後的橋梁的安全隱患的監測與防範，文中將遺傳演算法用於大跨度混凝土橋梁的預應力損失的識別，建立損失的數學模型，根據實測撓度值與理論計算的差值，用遺傳演算法識別損失模型的參數，確定有關各截面的損失值。
  16. In this paper, the studied works are list as follows : 1 ) the theory of elastically supported continuous beam method is brought forward to transfer spatial continuous beam - arch composite bridges into plane structure. the plane finite element method is used to calculate inner forces and deflections of each beam and arch. at the same time, spatial finite element model is created for contrast

    研究提出用彈性支承連續梁法荷載橫向分佈理論計算空間梁拱組合式橋梁的荷載橫向分佈，從而將空間問題轉化為平面計算問題，進而用平面桿系有限元理論分析求解梁拱拱片各桿件截面的內力和撓度，並用空間有限元理論和通用程序建立空間模型進行對比計算。
  17. According to different mechanisms, there exist several types of resonance, including the bridge resonance induced by the periodical actions of moving load series of the weights, centrifugal forces and lateral winds of vehicles, the bridge resonance induced by the loading rates of moving load series of vehicles, the bridge resonance induced by the periodical loading of train vehicles excited by rail irregularities, wheel flats and hunting movements, and the vehicle resonance induced by periodical actions of the regular arrangement of bridge spans and their deflections

    根據發生機理的不同，車橋系統可能發生幾種不同形式的共振，包括由車輛重量、離心力、橫向平均風荷載等形成移動荷載列的周期性動力作用引起的橋梁共振，由移動荷載列加載速率引起的橋梁共振，由軌道不平順、車輪扁疤、輪對蛇行等周期性加載引起的橋梁共振；由橋跨的規則性排列及其撓度的影響，對移動車輛形成周期性動力作用使車輛出現的共振。
  18. Self - erection system is applied to construction of most of modern large span concrete bridges. in the process of construction, cantilever beam is changing continuously because of the gravity of concrete, the stretching force, the load and temperature variation etc. in order to ensure that two cantilevers constructing opposite can normally close up and that the bridge linearity can accord with design, flexibility deformation has to be monitored

    現代大跨度混凝土橋梁多採用自架設體系施工，在混凝土自重、張拉力、橋面荷載、溫度變化等的作用下，懸臂梁體處于不斷的變化之中，為保證對向施工的兩端懸臂能正常合攏和控製成橋線形符合設計要求，需要對施工過程中的撓度變形進行監測。
  19. Gm ( 1, h ) model, considering the temperature variation influence on long cantilever girder, is proposed to solve the fitting and predication problem of flexbility deformation for the first time. after the applications, it shows higher precision and wider application prospect in small quantity data condition. the model would be popularized for cable - stayed bridge and continuous beam bridge

    本文首次提出使用gm （ 1 ， h ）模型，解決考慮溫度影響時長懸臂梁體撓度值的擬合與預測問題，從實際的計算結果來看，該方法應用於少數據量情況下樑體撓度值的擬合與預測，具有較高的精度和較廣的應用前景，可推廣到斜拉橋和連續梁橋施工撓度的預測計算中。
  20. The initial strain must be the optimum value obtained by multiple - trial method. 5. in the static analysis of the bridge model under live load, assuming a shifting concentrated load on the girder, analyzing the relation map of each section deflection and the location of the concentrated load, finishing the load - on of the worst - case live load, then the moment and deflection envelope diagrams of the girder were obtained

    成橋模型建立后，在後續活載作用下的靜力分析必須首先在主樑上作用移動集中荷載，分析主梁各斷面的活載撓度與集中荷載作用位置關系曲線圖，完成最不利活載的加載，從而最後得到懸索橋主梁的彎矩包絡圖及撓度包絡圖。
分享友人
分享到 Line

分享到臉書