framed arch 中文意思是什麼
framed arch
解釋
弓形桁架-
A new numerical procedure for analyzing the coupled vibration of a framed arch bridge with a single moving vehicle is presented to solve the equations of motion of a bridge with many degrees of freedom. the procedure consists in dividing the bridge - vehicle systems, which are solved separately, into 2 subsystems at the interface of the bridge and vehicle. the compatibility at the interface is obtained by an iterative procedure with aitken acceleration
本文提出新的計算橋梁車激振動反應的方法，車?橋系統被分成兩個相互作用的子系統，這兩個子系統通過接觸點的協調條件耦合在一起，從而應用aiken動態加速法對橋梁運動方程、車輛運動方程和車?橋耦合方程進行高效迭代求解。 -
Under the background of a long - span rigid - framed flexible cfst arch bridge, the catholicity method to compute the ultimate capacity is brought forward
以某大跨度剛性梁柔性鋼管硅拱橋為例，總結了具有較普遍意義的大跨度橋梁極限承載力計算方法。 -
Static and dynamic test of open spandrel rigid - framed arch bridge under vehicle loading
空腹式剛架拱橋的車輛荷載靜動力試驗 -
Temperature measuring and study of open spandrel rigid - framed arch bridge with box cross section
箱型截面空腹式剛架拱橋溫度場的實測與研究 -
Spatial static behaviors analysis on beam - arch joint of new - type rigid - framed arch bridge with open spandrel
空腹式新型鋼架拱橋梁拱節點空間受力分析 -
Static and dynamic behavior of three - span continuous prestressed concrete rigid framed arch bridges without spandrel members
三跨連續無腹桿預應力混凝土剛架拱橋的靜動力特性 -
The contents include : based on the previous research and the data of experimentations, the author researches and develops a kind of satisfactory semi - empirical formula of nonlinear temperature distribution, and calculates the temperature stress of rigid - framed arch bridge by the fem. the temperature effects of bridge structure by annual and sunlight temperature difference are discussed, it indicates that the temperature effect of annual temperature difference is small but the temperature effect of sunlight temperature difference is great and the temperature stress along beam depth resulted from sunlight temperature difference is nonlinear. with the comparison between the temperature effects of different position of bridge, the results show that where the section of bridge is small, the temperature stress of it is large
本文主要包括以下內容：從理論上研究並結合實測資料發展了一種比較理想的半經驗溫度場非線性分佈公式，並將有限元方法應用於剛架拱橋結構溫度應力的計算中，對橋梁結構進行整體溫度應力分析；討論了年溫差和日照溫差引起的橋梁結構的溫度效應，表明年溫差引起的溫度效應較小，而日照溫差引起的溫度應力較大且沿梁高呈非線性分佈；分析比較了橋梁結構各個部位的溫度效應的大小，可知截面越小溫度拉應力越大，受力越不利；並對箱梁結構由於構造不同引起的縱向與橫向的溫度效應大小進行了探討，發現在頂板下緣也會出現相當大的溫度拉應力，並且梗腋的存在反而增加了頂板底部的溫度拉應力；還對幾種相近的剛構式橋型的溫度效應進行了分析對比，總結了這些橋型針對溫度效應的優劣，並提出相應的針對性措施。 -
Through the finite element method, this paper compares some variable parameters such as the arch axis, the rise - span ratio and the ratio of spans, which influence the mechanical performances of open spandrel rigid - framed arch bridge. then it summarizes the mechanical properties of this bridge type and the optimal range of these parameters. the plexiglass model test validates the correctness of the finite element method used in this paper. the study will provide reference for the design of this new bridge type
本文採用有限元方法對影響空腹式剛架拱橋受力性能的主要參數：拱軸線型、矢跨比及跨徑比進行了比較分析，總結了這種橋型的結構受力特點以及拱軸線型等參數的合理范圍，為這種新橋型的工程設計提供參考，並通過有機玻璃模型試驗驗證了有限元分析的正確性。 -
Therefore, temperature problem is one of vitally important research topics in structure designing of rigid - framed arch bridge
因此，溫度問題是剛架拱橋乃至橋梁結構設計中的重要研究課題之一。 -
Based on the previous research results, the author takes nonlinear temperature load equivalent to linear temperature load and calculates temperature stress by fem. it analyses the whole and the part temperature effect on rigid - framed arch bridge and compares different thermal stress of different bridge structure by the simplified methods. the research offer advices for this new style bridge
本文在總結前人工作的基礎上，分析探討將非線性溫度荷載等效為線性溫度荷載，同時採用有限元計算溫度應力的簡化方法；並利用這種計算方法對剛架拱橋的整體和局部的溫度效應以及不同橋型溫度效應的不同進行了分析比較，為這種新橋型的工程設計提供參考，還通過實測結果驗證上述方法的正確性，並進行了修正。 -
Rigid - framed arch bridge is a statically indeterminate structure with thrusting force and over the cross section of the bridge structure induce obvious stresses resulted from temperature variations. however, because of the complexity of this bridge structures, it is so difficult to calculate temperature stress, and that researchers and designers have to simplify the calculating methods, and get inaccurate conclusions
剛架拱橋是一種有推力的高次超靜定結構，溫度效應對其的影響相當明顯；但由於其構造復雜，計算結構的溫度應力存在著很大的困難，這就使得研究和設計人員採取簡化的計算方法，但得出的結論粗糙。 -
Open spandrel rigid - framed arch bridge is the development of traditional rigid - framed arch bridge during its application in china. it utilizes and develops the mechanical performances and advantages of arch and rigid - frame
空腹式剛架拱橋是剛架拱橋在我國應用中的一個新發展，它在受力方面兼有拱和梁式剛架的特點，且充分利用和發揮了二者在力學性能上的各自特點和優勢。 -
The purpose of this paper is to use a visualization approach to simulate the dynamic response of a framed arch bridge under moving vehicle loads
本文運用可視化模擬的方法研究車輛荷載作用下剛架拱橋的動態響應。
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