函梁橋 的英文怎麼說
中文拼音 [hánliángqiáo]
函梁橋
英文
tubular bridge-
The box beam ' s temperature stress of longitudinal direction and transverse direction with different conformation are analyzed, it finds that there is largish temperature tensile stress in the bottom of top deck and the haunch of box beam increase temperature tensile stress in the bottom of top deck. the paper makes a study of different thermal effects resulted from several kinds of closed rigid frame
根據大量實測溫度場結果建議採用一個有利於理論推導的指數函數的公式來擬和箱梁體內的溫差分佈，既貼近實測數值，計算又比較簡單；通過對空腹式剛架拱橋尤溪洲大橋所在地夏季、秋季、冬季的溫度場及溫度應力的實測，以及與本文所提出計算方法的理論解進行的分析比較，證實了本文計算方法的正確，同時改進了已往混凝土箱梁溫度自應力的計算方法。Thus, a bridge is built between the lagrange perbuation methods and the exponential penalty methods
這樣就在lagrange攝動和指數罰函數之間搭起了一座橋梁。Ideal completed structure is determined by effect matrix method with choosing the strain energy of the structural system as optimum aim
分析中運用影響矩陣法以彎曲能梁最小為目標函數進行索力優化，確定斜拉橋成橋理想狀態。The paper contains two segments : static and dynamic detection, evaluation and alteration. static monitoring contains apparent and load detection. the model of multi - layer fuzzy evaluation and the bridge using capability grade membership function are used in the appraisal of the bridge technical condition of the highroad criterion technic and maintenance, and then the data and excel of the bridge compontents. the bridge grade membership function can be deduced from the factor theory domain. grade theory domain and the bridge using capacity grade membership function, then by baseding the connection of weigh and factor judgement matrix and judging gradually, finally the bridge comprehensive evaluation synthetical judging grade will be figured out
在表觀檢測中將多層次模糊評價模型和橋梁使用性能等級隸屬函數引入《公路技術養護規范》中的橋梁技術狀況等級評定中，並對此規范中的橋梁部件缺損狀況評定狀況進行修正；通過建立因素論域、等級論域以及根據王光遠教授提出的利用典型函數形式來建立橋梁使用性能等級隸屬函數，通過權重和因素評判矩陣的關系來運算，逐級評判，最終求出橋梁綜合評判等級。By the coding, all first - order rules needed to explore are mapped into the points in genetic space ; ( 2 ) the fitness function, which evaluates the quality of first - order rule. the variation of fir
（ 2 ）評判一階規則優劣的適應度函數，一階規則適應度的相應變化形成了遺傳空間高低起伏的地貌特徵； （ 3 ）由交叉和變異運算元決定的規則間的鄰接關系，描述了遺傳空間地貌的溝壑或橋梁。At last distribution functions of load modes in life service are presented. based on the resisting force model and load model, the limit state equations of rc bridge are formulated. according to the resisting force is time - dependent and vehicle load is the non - gaussian distribution, jc method is applied to calculate the time - dependent reliability index of rc bridge
在抗力衰減模型及橋梁荷載模型的基礎上，將可靠度理論引入橋梁結構的評定中，推導出了橋梁結構耐久性極限狀態方程，並根據耐久性極限狀態方程中抗力是時間的函數，以及車輛荷載為非正態分佈的特點，應用當量正態法（ jc法）編制相應的程序計算橋梁構件的時變可靠度指標。The research of approach to monitor bridge health state has become a hot spot which social and technologic people have explored through the theory of, dynamics of structures and the lest technology. structure mode parameters ( vibration frequency, mode of vibration and damping ) are the functions of physical property parameters ( mass, rigidity, damping ). the damage of structures certainly leads to the transformation of physical property parameters
結構模態參數（振動頻率、振型和模態阻尼等）是結構物理特性參數（質量、剛度、阻尼）的函數，結構損傷必然導致結構物理特性的變化，即結構參數發生改變，利用現代的測試技術準確地測出這些參數變化，就可對橋梁損傷狀況進行評估，應變模態方法識別橋梁損傷就是基於這種理論提出的，本文所做的主要工作為： 1According to the design theory of the cable - stayed bridge and to the feature of the cantilever construction the authors propose a construction control method called optimum completion state method ( ocsm ) for rc cable - stayed bridges in the proposed method, the optimum completion state is regarded as the final target of the construction control, and the optimum construction state at each construction stage is taken as the technical route the key of the method is to properly choose or adjust the cable forces the objectives function of optimization is to minimize the elevation error of the girder under the constraint condition that the internal forces ( bending moments ) of the girder are bounded the optimization variables are the cable forces on the basis of the above principles, a optimum model for a construction step is established and cable force adjustments can be found for each construction step in this model, the creep and shrinkage effects of concrete have been considered a bridge example is given which shows that the final state of the bridge is very close to the design aim and that this method is much better than the so - called double - control method the example is a good illustration of the soundness and practical value of the proposed method
根據現代斜拉橋結構設計理論和懸臂施工方法的特點，提出了以最佳成橋狀態作為施工控制的最終目標，以實施最佳施工階段為技術路線，以索力調整為核心內容的斜拉橋施工控制理論，簡稱為最佳成橋狀態法；以斜拉橋主梁標高誤差最小為目標函數，以主梁內力（彎矩）為約束條件，以索力為優化變量，建立了最佳施工階段的索力調整計算模型；推導了考慮徐變收縮效應的索力調整計算公式；用最佳成橋狀態法對一實橋工程進行了施工控制全過程計算研究，得到的成橋狀態與設計目標相當接近，優于該橋以「雙控」為控制目標的實測結果，有力地證明了本文方法的正確性及其工程實際價值In this thesis, we make an assessment and prediction of the performance of the structure with reference to the two theories of time - variably reliability and condition states and achieve favorable results, in the meanwhile, we established the relationship between condition states and maintenance cost, to optimize bridge life circle maintenance and set up objective optimization function and bridge maintenance safety provisions so as to meet the requirement of a reliable life circle structure and guarantee the least cost of maintenance for the bridge structure in its life circle
文章利用時變可靠度的理論和條件等級思想的兩種理論對結構的性能進行評估和預測，並且收到較好的效果。同時，確定了結構條件等級同維護成本之間的關系。將橋梁壽命周期維護進行最優化決策，根據目標優化函數和橋梁維護安排準則:滿足壽命周期內結構可靠性的要求，同時保證橋梁結構在其壽命周期內其維護成本最小。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。The representative failure models of main beam are searched by incremental method and disadvantage loading in the control sections. the equal - substitute beam method is applied, which can simplify the reliability estimation on bearing capacity of beam - bridge. and the state function on bearing capacity reliability of beam - bridge is presented and the structure resistance theory ( or design ) probability model in state function is deduced
首先，針對梁式橋結構顯著失效模式之一? ?主梁的失效，研究在用梁橋承載力可靠度分析方法，主要包括：根據梁橋損傷狀況外觀調查和結構內力分析，確定其承載力可靠度分析的控制截面；將增量荷載法和控制截面處不利布載相結合的方法應用於梁式橋結構體系主要失效模式的搜尋；引入等代梁法以簡化梁橋承載力可靠度的估算；給出梁橋承載力可靠度功能函數及推導功能函數中結構抗力理論（或設計）概率模型。分享友人