stayed girder 中文意思是什麼
stayed girder
解釋
支承大樑-
A comparison of steel deck weights indicates that the cable-stayed bridge again fills the void between the continuous girder and suspension bridges.
以上鋼橋面重量的比較指出，斜拉橋介於連續梁和懸索橋之間。 -
One of the most noticeable structrual differences between the cable-stayed bridge and the truss and girder types lies in the field of flexibility.
斜拉橋與桁架和梁式類型橋之間，在結構上的一個最顯著不同之處，在於柔度方面。 -
During cantilever construction of large span cable - stayed bridge steel box girder, the local relative deformation of steel box girder is obviously different between girder to be suspended and girder supporting crane
摘要大跨度斜拉橋主梁懸臂拼裝匹配過程中，吊機作用梁段和被起吊梁段由於受力不同，相對變形存在較大差異。 -
During the cantilever construction of main girder of a concrete cable - stayed bridge, the main girder at the temporary rigid fixity area of pylon and girder is vulnerable to cracking when the conventional temporary rigid fixity structure is used
摘要在混凝土斜拉橋主梁懸臂施工過程中，採用傳統的塔梁臨時固結構造存在臨時固結處的主梁容易開裂問題。 -
In this paper, the construction techniques of linjiangmen cable - stayed bridge in jilin, such as large sinking well technique of pier, climbing form panel technique of main tower, stay rope formwork traveler technique of girder and construction control, are summarized in details
本文全面總結了吉林臨江門斜拉橋施工技術，詳細敘述了主墩大型沉井施工技術，主塔爬模施工技術，主梁牽索式掛籃施工新技術。斜拉索施工及施工控制等。 -
Some key issues in the modeling of a long span composite cable - stayed bridge are discussed such as cable tension, dead load, large deflection, concrete deck stiffness, concrete deck - steel girder connection, and boundary condition. some conclusion can drawn from the thesis : 1. the initial equilibrium configuration of the bridge is clarified in the thesis
本文深入討論大跨度結合梁斜拉橋"基準"有限元模型建立過程中的幾個關鍵問題並得到一些有意義的結論： 1 .明確斜拉橋在索初應力和恆載作用下的初始平衡構型? ?處于初始平衡狀態時的幾何位置，給出了其計算方法。 -
In this thesis, the construction and monitoring general method of cable replacement work for qianwei minjiang river cable - stayed bridge is introduced firstly, then, using large - scale commercial finite elements analysis software, algor, a space solid model is developed. in order to give attention to internal force and deformation, the thesis simulates the factual situation of the bridge by adding boundary elements. the analyzed items include : cable forces, deflections, stress of box - girder and maximum horizontal deformation of tower under different cable - replacement cases, which can be used to tutor design and construction for other similar works
本文以犍為岷江大橋換索工程為背景，首先介紹了該橋換索施工與監控工作的大致情況，並應用大型商業有限元軟體algor建立了該橋空間計算模型，建模過程中為了真實地模擬結構換索前的內力狀態，實現內力與線形兼顧，本文使用了「添加邊界元還原結構內力」的方法。 -
This paper highlights the durability design features and design alternative adopted for the parts of steel structure, concrete decks of and joints between steel and concrete composite box girder for the cable - stayed spans of donghai bridge over main navigable channel in the marine environment
摘要介紹東海大橋主航道斜拉橋鋼混凝土箱形結合梁的鋼結構部分、混凝土橋面板、鋼混凝土結合部位在海洋環境下耐久性設計特點及採用方案。 -
No back - stays & inclined pylon cable - stayed bridge is a new one. she has very prominent mechanical characters that it substitutes the deadweight of inclined pylon for the back stays force to counteract the girder deadweight of main - span
無背索斜塔斜拉橋結構體系新穎，其最大的受力特點是利用傾斜索塔的自重來平衡主跨主樑上的恆載和活載，而省去了背索及其索力。 -
2. a new design and construction method different from the traditional way was used in jinma bridge. when cantilever the main girder of the cable - stayed structure, the longitudinal pre - stressed reinforcements are not tensioned at once
2 、金馬大橋在斜拉橋設計和施工中採用一種與傳統斜拉橋設計和施工不同的新方法，即懸臂澆築斜拉橋主梁時採用無縱向預應力筋的做法。 -
This new erection procedure is compared with the conventional way from the reasonability, convenience and economic aspects. the results obtained from the calculating data state that cantilevering the main girder without tensioning the longitudinal pre - stressed reinforcements is a better way for establishing the cable - stayed bridge
本文把這種方法與傳統方法在受力合理性、施工方便程度和經濟性方面做了比較分析，並結合整體靜力計算說明懸臂澆築斜拉橋主梁時不張拉縱向預應力筋這一方法的可取之處。 -
Making reference to the anqing changjiang river highway bridge construction and the construction control, firstly, this paper studies the philosophy of the cable - stayed bridge construction control simulation analysis systematically, and pays much attention to the theory of simulating the construction process : backward analysis and forward analysis. then on the basis of introducing the construction process of the anqing changjiang river highway bridge, analysis the construction course fully, and analysis comparatively the result of each girder segment construction simulation, and study the variation philosophy of the line style of large cable - stayed bridge during construction
本文緊密結合安慶長江公路大橋的主梁施工及施工控制實踐，首先系統地分析了斜拉橋施工控制模擬計算的整體思路，並重點分析探討了斜拉橋施工過程計算的理論：理想倒退分析和實時前進分析，然後在介紹安慶長江公路大橋主橋施工過程的基礎上，全面地計算分析了全橋的施工過程，並且應用施工過程計算結果，對每一個梁段的施工模擬工況進行對比分析，研究了大跨度鋼斜拉橋在施工過程中的線形變化規律。 -
In view of the defects of the available bridge girder models ， this paper proposes a new double - girder model adapted to composite bridge sections for the dynamic analysis of long - span cable - stayed bridges in the proposed model ， the equivalence of the stiffness and mass systems of the bridge girders can be satisfied and the nodes and elements can be maintained in lower numbers the dynamic behavior of a cable - stayed bridge is analyzed by the new double - girder model and the conventional triple - girder model respectively the numerical results show the accuracy and efficiency of the proposed model
針對大跨度斜拉橋動力分析的現有橋面系模型的不足，提出了一種適用於疊合梁橋面系的新型雙主梁模型該模型既保證了橋面系剛度系統和質量系統的等效性，也使模型的節點數和單元數維持在一個較少的水平，提高了計算效率採用文中提出的雙主梁模型和傳統的三主梁模型對廣州鶴洞大橋進行了動力特性分析，結果顯示了本文模型的正確性和實用性 -
In the article there is also an analysis about the influence to the complete status of the prestressed concrete cable stayed bridge of such factors as the stiffness change of the girder and the deflection of cables and the concrete creep and the temperature change. this must be useful to engineer to take a reasonable stress limitation in determining the reasonable completed status
本文還採取對比分析計算的方法，對主梁剛度變化、拉索垂度、混凝土徐變及溫度變化等因素的影響進行了分析，並指出了它們的影響程度，有助於工程師們在確定成橋狀態時合理地選取控制條件。 -
According to the finite element method result, the parametric vibration of cables in cable - stayed arch bridge becomes prone to be exhibited. then a model of non - linear parametric excitation vibration coupling the stayed cable and the girder, namely, the mode of cable - stayed beam, is proposed in the thesis. and the nonlinear dynamical
3 、首先利用有限元分析方法，得出了斜拉索發生參數共振的可能，然後建立了斜拉拱橋拉索-橋面耦合參數振動模型，即索-梁組合結構模型，推導了索-梁組合結構非線性運動方程，利用多尺度方法研究斜拉索的參數共振和亞諧波共振，並對穩態解的穩定性進行了分析。 -
According 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 -
Abstract : in this paper, a new simple method is put forward to on - line survey and analyse the real - time response of bridges loaded under random vehicles and people. based on linear elastic hypothesis and finite element method, the dynamic whole displacement state and load of the bridge can be obtained through surveying partial displacements, so the problem that load is unknown and difficult to determine when calculating is solved in a sense. this method is adap ted to girder bridge, arch bridge, cable - stayed bridge and suspension bridge. through the instrumentality of ways and means in this treatise, a real - time system to survey and analyse a working bridge can be established
文摘:在線彈性假設基礎上，根據有限元理論和橋梁隨機車輛（行人）荷載的特點，討論並提出了一種通過監測部分位移，計算橋梁其餘位移和橋面荷載的簡化分析方法，解決了橋梁在隨機車輛（行人）荷載作用下的荷載確定問題，建立了動位移和等效節點荷載的有限元列式.該方法為橋梁結構的在線監測和實時分析提供了理論基礎，適用於連續梁橋、拱橋、斜拉橋和懸索橋等橋梁結構形式，具有實際應用價值 -
Optimal design of main girder of single cable plane cable - stayed bridge of the second fuling wujiang river bridge
涪陵烏江二橋單索麵斜拉橋主梁優化設計 -
The three dimensional finite element stress analyses of main girder with twin - box cross section used commonly in cable - stayed bridge have been carried out
本文對斜拉橋雙箱單室箱形主梁進行了空間有限元應力分析。 -
As a result, while some stayed - cables are released, the cable forces of remaining and neighboring 2 or 3 groups increase remarkably, but the others do not, the box - girder puts up the characteristic of biggish stiffness which stress variety is n ' t marked
對該橋換索不同工況的計算結果表明：卸索后的索力基本由同側、同號剩餘索和臨近2 3組斜拉索所分擔；主梁剛度較大，各工況主梁彎曲應力變化並不顯著。
分享友人