拱橋形成 的英文怎麼說
中文拼音 [gǒngqiáoxíngchéng]
拱橋形成
英文
bridge formation-
Arcuated built - up system bridges are one of bridge structural styles, which are used extensively at present. on one hand, because of complexity and diversity of this kind of structure, current engineering experiences have not satisfied design requirements no longer. on the other hand, towards this kind of structural system traditional methods simplify complicated structures into planar structures, these methods neglect apparently spatial action among members, especially those primary bearing load members along lateral direction of bridges
拱式組合體系橋梁是目前廣泛採用的一種橋梁結構形式，一方面由於拱式組合體系橋梁結構的復雜性和多樣性，現有的工程經驗已不能滿足設計需求；另一方面對于這種結構體系過去的傳統做法是將復雜結構簡化成平面結構，這種做法顯然忽略了構件之間的空間作用，尤其是沿橋橫向存在主要承力構件。The software ansys6. 0 is used to analysis the stability of the state after construction of tongwamen bridge, linear method is used in analyzing the finite element model of the bridge, the coeffient of stability of different state after construction is given. on the basis, the effect of different factors such as the arrangement of lateral brace, the sloping angle of arch ribs, the stiffness of bridge deck system, the effect of non - orientedly conservative loadings of the hanger and tie bar etc is discussed. the different coefficients of stability of changing these factors are given, so the factors that are vital to the lateral stability of x - type arches are found, and the rationality of the methods taken to enhance the lateral stability of tongwamen bridge is evaluated
本文應用有限元分析商業軟體ansys6 . 0 ，採用線彈性方法，通過對該橋的空間有限元模型進行穩定性分析，得出其成橋運營階段各種工況下的穩定安全系數。在此基礎上，本文還通過有限元模型分析，就拱的矢跨比、吊桿（立柱）的非保向力效應、橋面系的剛度、橫撐布置形式、拱肋側傾角等因素對該橋整體穩定性的影響展開探討與研究。文中給出了各因素變化情況下的穩定安全系數，指出了對鋼管混凝土提籃拱橫向穩定性有顯著影響的因素及其合理變化范圍，並對銅瓦門大橋提高橫向穩定性的措施的經濟合理性進行了分析。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。It was of stone arches, splendidly solid, and graceful as they were strong.
這是一座用石頭建成的橋梁，橋洞都呈拱形，非常結實，既雅緻又堅固。Going under the railway arch he took out the envelope, tore it swiftly in shreds and scattered them towards the road
他在鐵道的拱形陸橋底下走著，一路掏出信封，趕忙把它撕成碎片，朝馬路丟去。It is a top load bridge with a clear span of 288m, which is maximum one of the same structural system in asia. the main arch rib uses 8 steel tube of 920mm joined by web members and transverse truss to form a space truss. the soldier piles on the arch are made of bent frame to make the shape both artistic and novel
梅溪河大橋為一凈跨達288米的上承式鋼管混凝土拱橋，是目前亞洲同類橋型中跨度最大的橋梁，其主拱肋採用8根920mm的鋼管，通過腹桿及平聯形成鋼管混凝土空間桁架，拱上立柱亦採用鋼管混凝土排架，造型新穎美觀。Zhujiajiao is located by the dianshan lake in the western suburbs of shanghai, in the certerof qingpu county, linking sanghai with jiangsu and zhejiang province. with convenient transportation and quiet enviroment, it is a land flowing with milk and honey, the town boasts beautiful scenery and has many waterway, with row upon row of buildings along the rivers. 36 stone bridges, including fangsheng bridge, the five - arched stone bridge built in ming dynasty, link the nine old streets together and from graceful scenery
朱家角位於上海西郊淀山湖畔，青浦縣中部，與江蘇、浙江省接壤，環境幽靜，是典型的江南魚米之鄉，水木清華，風光旖旎，鎮內河港縱橫，沿河建築鱗次櫛比，建於明代的五孔石拱橋放生橋等36座石橋將九條古街連接，形成一派優美的水鄉風光。Rc - masonry combination arch bridge abandons the disadvantages of conventional masonry arch bridge ' s falsework type construction, which makes longer construction time, higher cost and against protecting environment. compared with double arch bridge, it has better arch ring ' s integer and smaller distortion in the stage of use
Rc -石砌體組合拱橋摒棄了傳統石砌拱橋採用有支架施工造成的工期長，造價高，不利於環境保護的缺點；相比于雙曲拱橋，主拱圈具有整體性好，使用階段變形小的優點。Cable control effect infect the shape of span arch directly, even infect the bear of weight of bridge
扣索控制的優劣直接影響著拱肋線形的好壞，從而對于成橋承載受力有著重要影響。The cfst x - type arches improve the lateral stability by sloping the arc ribs, so it is ofen used in the designs of cfst arch bridge with small ratio of the width to the span. tongwamen bridge is a half - through cfst arch bridge, its span is 238m, and the width of its roadway is 10m, so the truss ribs in - plane is sloped into x - shapc to improve its lateral stability. as the cfst x - type arches with longest span all over the country presently, the design of tongwamen bridge can be used for reference of adopting cfst x - type arches in the design of arch bridges with small ratio of the width to the span
鋼管混凝土x型肋拱橋是一種利用拱肋側傾來提高其橫向整體穩定性的橋型，在寬跨比較小的鋼管混凝土拱橋設計中應用較多。浙江銅瓦門大橋是一座中承式鋼管混凝土無鉸拱橋，跨徑238m ，橋寬10m ，拱肋為平面桁架形式，所以採用了x型拱肋以提高其橫向穩定性。作為國內目前跨徑最大的鋼管混凝土提籃拱橋，該橋的建成對我國今後長大跨徑小寬跨比鋼管混凝土拱橋採用提籃拱具有借鑒意義。Then on the basis of calculating result from the prefigurative deviation control structure calculation, " rational data forecast processing about error adjust in prefigurative deviation control was made by the prefigurative theory of bp neural network and corresponding program and software matlab6. 1. at last via the data comparison with the practical survey data draw a conclusion : it is feasible for the construction prefigurative deviation control and error adjust used in pc rigid frame bridges to use the calculation model and program brought forward in this paper
同時，在對預應力混凝土剛構橋施工過程線形預拱度控制的結構計算分析的基礎上，利用bp神經網路的預測理論和相應的程序及軟體包matlab6 . 1對預拱度控制中的誤差調整進行了較好的預測處理，通過與實際施工數據及成橋后測量結果作分析比較，得到結論：運用本論文的計算模型和程序對預應力混凝土剛構橋預拱度控制過程進武漢理工大學碩士學位論文行結構分析和誤差調整處理是可行。This paper taking zigui longtanghe bridge in hubei province as a project background, studies about the unified construction technology of tower and buckle frame in erection with cableway used in steel pipe - encased concrete arch bridge constructioa based on the analysis of the construction property of long span steel pipe - encased concrete arch bridge, this paper raises the general scheme and basic structure of unified construction, analyzes the mechanical behavior of unified structure of construction statue, mainly discusses the strength, stiflhess and stability of the unified structure
本文以湖北秭歸龍潭河大橋為工程背景，對大跨徑鋼管混凝土拱橋纜索吊裝塔架扣架一體化施工技術進行了研究。論文以大跨徑鋼管混凝土拱橋施工特點分析為基礎，提出了一體化施工的總體方案與基本結構構造，分析了施工狀態一體化結構的力學行為，主要探討了一體化結構的強度、剛度及穩定性，採用動態監控系統確保了一體化結構在橋梁施工過程中的安全可靠性，從而形成一套系統的纜索吊裝施工新技術，並在實橋工程進行了應用，效果良好。The paper build a plane model of the whole bridge based on the fem, and analyze the internal force and structural displacement changes in every damage circumstance. the data reflect that the damages in arch rib in the tip will make internal force of some sections increased, accordingly the stability and the durability of the structure reduce ; the damages in the arch foot will change the structure system ; and the displacements of abutments will develop great accessional internal force, and deform the main arch and even crack, accordingly change the system of the structure
論文建立了全橋的平面有限元模型，分析了在各種病害情況下全橋的內力及結構位移的變化，計算數據反映了，拱頂拱肋損傷會造成某些截面的內力增大，結構的穩定性和耐久性降低；拱腳損傷可能引起結構體系改變；墩臺位移會使上部結構產生較大的附加內力，使拱圈變形甚至於開裂，從而導致結構的受力體系發生改變等。Abstract : in this paper the complex load distribution acted by running flood on a typical spandrel - filled arch bridge has been analyzed and calculated, and through a simplified mechanical arch model the corresponding innersetion forces are evaluated to render the safety check on the arch spaicial resistance
文摘:從山洪形成破壞力的特徵入手，遵循橋梁結構所必備的維持平衡穩定的自身抗力，去抵禦山洪破壞力的準則，導出了拱橋抗禦山洪的設計驗算與預測模型，以期在實踐中提供安全設計或維護對策的借鑒In order to assure that the stress and strain state of structure is secure, the author analyses respectively the objective functions of the reasonable finished state and buckle - cable adjusted phase ; thus, the optimized model based on fga is framed. finally according to the example, the computation datum are compared with the iterative forward analysis method and the optimal control theory. the result shows that this method can be used conveniently and meet the construction and design precision
為了滿足大跨度鋼管混凝土拱橋施工的安全性與成橋預期的內力狀態和拱肋線形，本文結合工程實例，分別對合理成橋狀態和扣索索長調整的目標函數的確定進行了分析，將一組多變量、多約束的最小化問題無約束化，從而建立起適合於該問題的遺傳演算法優化模型，將其計算結果分別與迭代前進法和隨機最優控制理論進行了比較；結果表明，採用該方法編制的基於結構計算的遺傳優化程序操作靈活，能很好的滿足施工和設計要求。In the end, the steel - reinforced concrete arched bridge ( chun ' an weiping bridge ), which span is 198m, is analyzed by the proposed three - dimensional nonlinear finite element method and also those gained conclusions are directly adopted in the computation. the universal stability coefficient and nonlinear buckling stability coefficient of the bridge are respectively computed, in which the dead load and the live load are assembled according to the criterion. on the other side, the regularities of creep deformation and subsidiary stress of the investigated bridge under the first - stage dead load are carefully researched
最後，將本文所提出的三維非線性分析方法及其主要研究成果直接應用於198m跨勁型骨架式鋼管混凝土拱橋「淳安威坪大橋」的分析計算中，對該橋在最不利恆載和活載組合下的一般特徵值失穩系數和非線性屈曲系數進行了對比研究，並對一期恆載長期作用下該橋的徐變變形、附加應力以及截面應力、應變重分佈規律分別進行了深入研究。This paper deploys research about the damnification identify, employ capacity and reinforce technology with reason of double bend arch bridge through finding out disease position of construct and cause, colligating these result of the actual bridge detection and load test and analysis and research on the theoretics of damnification, and so on, despending on a lots of measure and means, finding out its present condition and checking structure internal force through choosing the proper mechanics model according as a lots of prototype information
本題以安徽省省道s310上k139 + 000處的大店崗橋為實例，從檢測入手，利用各種檢測方法和手段，了解雙曲拱橋的現行工況，並依據各類原型資料選擇合適的力學模型進行結構內力驗算，通過荷載試驗、理論分析等方法，查明結構的病害部位和形成原因，綜合實橋檢測結果和荷載試驗結果以及損傷理論的分析研究等等，展開對雙曲拱類橋型的損傷鑒定、使用能力和合理加固技術方法的研究。Summarizing and analyzing the key achievement and the significance of the current research on temperature effect on steel tube concrete arch bridge the paper points out that a further relevant study should be undertaken, and attention should be paid to the respects such as simple quantum of base temperature, arch rib temperature field under complicated conditions, arch rib temperature of various styles for truss members and the nonlinearity temperature difference of the system etc
摘要總結分析當前鋼管混凝土拱橋溫度效應的研究意義及主要研究成果，對于鋼管混凝土拱橋溫度效應進一步的研究，建議應注意基準溫度的簡單定量、復雜條件下的拱肋截面溫度場、各種截面形式的拱肋溫度和體系非線性溫差等幾個方面的間題。Since rib - hoisting of the long - span cfst arch bridge is very complex, method of simulation calculation of construction control must be adopted in order that the final bridge line and the state of strength will satisfy the requirement of design
大跨度鋼管混凝土拱橋的拱肋吊裝過程是一個復雜的過程，為了保證最終的成橋線形和受力狀態滿足設計要求，需要採用施工控制模擬計算。Based on the principle and method of computing visualization, an easily implementing procedure for dynamic graphic description is proposed. a two - dimensional model of jinhuai bridge has been established in the paper with opengl as graphic tool, and a high - resolution animated cartoon simulation of jinhuai bridge under the moving vehicles has been accomplished
並以opengl為圖形工具，建立津淮剛架拱橋的二維模型，對計算得到的大量數據進行合理處理和可視化表達，完成了車輛作用下津淮剛架拱橋的動力響應時程分析的計算機模擬和動畫顯示，有助於對車橋復雜振動過程的理解和認識。分享友人