拱梁法 的英文怎麼說
中文拼音 [gǒngliángfǎ]
拱梁法
英文
arch cantilever method-
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。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。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。Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account
依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型，對中國古代木結構中的典型構造如：柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究： （一）通過木柱石礎靜摩擦試驗，測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律； （二）通過單柱承載力試驗，測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量； （三）通過柱架低周反復荷載試驗，測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數； （四）通過斗?低周反復荷載試驗和受壓試驗，測定了古建築木構件與木構件間摩擦系數，斗?抗側移剛度，斗?恢復力特性及滯回曲線，斗?抗壓極限承載力及受力變形規律； （五）通過抬梁式殿堂間架模型振動臺試驗，測定了殿堂木構架結構自振周期，地震反應振形、阻尼特性及阻尼比；按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量，對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。2 ) the structure elements should be laid out symmetrically and uniformly when designing steeve - arch structure, what ' s more, the reasonable selection of section geometric size near the arch foots of first beams is paid attention to and the arrangement difficulties of steel bar due to the big eccentric pressures 2, the analyses of anti - seismic features on transverse direction of the aqueduct l ) the method of adjusting the elements " mass can be harnessed in order to even the layout of seismic loads
2 ）設計吊桿式拱架支承結構時，各部分構件應當均勻對稱布置。另外，還應注意頭道梁拱腳附近截面的尺寸擬定，克服地震內力造成的大偏心受壓狀態給結構配筋設計增加的困難。 2 、橫槽向抗震性能分析1 ）可利用調整構件質量的方法，使得結構的某些構件的地震荷載分佈均勻一些。Presently, cfst arch bridges develop in the direction of large - span and lightweight style, accordingly, investigators and devisers should increasingly attach more importance to their dynamic behaviour, and some typical dynamic matter of bridges, such as seismic response, wind induced vibration, coupled dynamic vibration between bridge and vehicle should not be ignored
目前，鋼管混凝土拱橋正朝大跨、輕型的方向發展，因此，該類型橋梁的動力特性也日益引起重視，象地震、風振、車振等橋梁的典型動力問題也是該類橋梁所無法迴避的。Controlling the camber of main girder for the overhead travelling crane use for deadweight method
採用自重法控制橋式起重機主梁的上拱度Based on the arch - cantilever method, the stability of arch ring and cantilever beam against elastic buckling in arch dams are analyzed with the theory of elastic stability, and the conclusion is drawn that the stability of arch dam against elastic buckling is governed by the top arch ring
按照拱梁分載法的思想，用彈性穩定理論分別對拱壩的拱圈和懸臂梁的抗屈曲穩定性進行了分析，得出拱壩的抗屈曲穩定性由壩頂拱圈控制的結論。Finite element internal force method is presented in this paper to solve it, based on the result of the routine method. this method utilizes the condition of internal force balance of arch system and beam system to solve their internal forces, then to solve dam body ' s equivalent stresses
為此，本文提出了有限元內力法，該方法是根據常規有限元法的分析結果，利用拱和梁的內力平衡條件求解拱梁內力，然後求解壩體等效應力。Abstract : the continuous composite arch bridges are introduced in this paper. some research results of the bridges, such as the basic performance, creep and shrinkage of concrete, principle of the controlled completed bridge state, relation between structure and internal force, construction methods and cases, are also reported. the suggestions for consideration in design are given in this paper
文摘:介紹了連續拱梁組合橋在受力性能、混凝土收縮徐變、成橋狀態控制原則、構造與受力關系，以及常用施工方法與工況描述等方面的研究體會，並給出了可供這類橋梁設計參考的意見。After an introduction to the research on the software for the design of the variant steel arched girder construction, the creation of the structural model, the structure of the supporting seat, the design of the variant arched girder, and the measures taken to ensure the stability of the plane surface of the arched girder, the thesis goes to study the methods for the hoisting and the angle setting of the long - span arched girders, as well as the bolting of the axle pin in the hinge support
論文首先對變異鋼拱架結構設計可採用的軟體、結構模型的建立、支座構造形式、變異拱梁的設計，以及保證拱梁平面外穩定所採取的措施等進行了研究，然後研究了大跨度變異鋼拱架弧形梁吊裝、角度的調整、鉸支座穿軸銷等的施工方法，最後對施工完成後的位移進行了實際量測。The base is divided into finite block element. so, the stress and load that this system divided can be calculated. combining analyzing morrow point dam on colorado river with this method, the rationality of it is validated
應用上述方法，結合morrowpoint雙曲拱壩，計算了該壩的分載與徑向位移，其成果合理，驗證了本文建立的壩體虛擬彈性地基梁與壩基塊體有限元組合的拱壩分載法的合理性，且滿足工程精度的要求，有一定的實用價值。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。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。Aiming at the right control method of girder the springing quantum of the pc beams, analyzing the major factors which influence the change of girder, establishing control measures, observing and researching through experiment, the thesis make some pilot studies in liuguhe bridge ' s beforehand producing, building up and constructing, which belongs to the eighth contract segment of the beijing to shenyang expressway
本文主要依託京沈高速公路國內段第八合同段六股河大橋30m跨徑預應力混凝土工型梁預制安裝施工開展研究，分析影響主梁拱度變化的主要因素，制定控制措施，進行試驗觀測研究，從而確定適宜的拱度控制方法，較好地控制了主梁的拱度。The construction of the bridge began in oct 1999, and the closing up of the steel tube was in dec 2000. during that period, i learned and analyzed the current construction methods fairly comprehensively, and collected the construction technique data of the cfst arch bridges having been built. based on this, aided by the simulation of construction procedure using finite element program, i proposed the operation program to make the steel tube segment be located at one time, and the scheme of dividing rooms to segment pouring
大橋於99年10月開工， 2000年12月主橋鋼管合龍，在此期間，本人就目前鋼管混凝土拱橋的施工方法進行了較全面的了解和分析，搜集了此類已建橋梁的施工技術資料，在此基礎上，又藉助有限元程序對施工過程模擬計算的支持，提出了在梅溪河大橋懸臂安裝過程中，鋼管節段一次就位的操作程序和鋼管混凝土分倉灌築的方案，並為施工單位采納應用。The equation which relate the design of wall - beam and the arch in the wall are more rational then the criterion
這種將墻梁的設計和拱效應直接聯系起來的方法和規范公式相比更為合理。Besides experiments, the present domestic and abroad study on anti - slide pile is mainly analysis by traditional cantilever beam method, foundation coefficient method and elastic mechanic method. on the basis of previous studies, this paper carries out a research on relevant design and calculation theory about anti - slide piles, comprising the interaction between anti - slide piles and rock and soil of side slopes, the soil arching model of anti - slide piles and the internal stress calculation method of prestressed anchor cables
目前國內外對抗滑樁的研究，除試驗研究外，主要採用傳統的懸臂梁法、地基系數法及彈性力學方法來進行分析。本文在前人的研究基礎上，通過對抗滑樁相關設計計算理論進行研究，包括抗滑樁與邊坡巖土體的相互作用，抗滑樁的土拱效應模型以及抗滑樁預應力錨索的內力計算方法進行分析。Secondly the author ' s study are introduced in this paper. the author study mainly the linear static and dynamic, elastic - plastic static and dynamic problems of cfst arc - bridge. firstly, the author establish the linear static equation on the based of the rigid equation of element by qr - method, and then analysis the inner force of arc bridge, establish the linear dynamic equation and elastic - plastic rigid equation and dynamic equation, then solve respectively the elastic - plastic rigid and dynamic equation by the method of repeated increment and no limit stabilization, arithmetic
本文主要研究大跨度鋼管混凝土桁架拱線性靜力問題和線性動力問題以及彈塑性靜力問題和彈塑性動力問題，先利用qr法按照梁單元的剛度方程建立桁架拱的線性靜力方程，進行桁架拱內力分析，建立桁架拱線性動力方程、彈塑性剛度方程及彈塑性動力方程，然後利用增量迭代法及樣條無條件穩定演算法分別求解彈塑性剛度方程及動力方程。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。分享友人