cantilever girder 中文意思是什麼

cantilever girder 解釋
懸臂大樑
  • cantilever : n. 1. (橋梁的)懸臂,肱梁;支架。2. 電纜吊線夾板;紙條盤。
  • girder : n. 【建築】縱梁,大樑,撐柱,撐桿,大型工字梁。 a framed girder構桁。adj. -less
  1. As a new style of structure, steel - concrete composite spine girder with large cantilever beams has been more and more applied for its advantages such as beauteous build, outstanding mechanics and economical performance

    鋼-混凝土組合脊骨梁作為一種新型的結構形式,以其結構造型美觀、力學性能好、經濟性等方面的優勢,在橋梁結構中得到了越來越廣泛的應用。
  2. 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。
  3. 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。
  4. Secondly, the construction techniques of cantilever concreting method of girder are analyzed in details. the construction program of stay rope formwork traveler, including the selection of formwork traveler type and the design of formwork traveler, is introduced

    本文重點分析了主梁的懸灌施工技術,從掛籃方案的比選與定型,到掛籃的設計與使用都做了詳細的介紹,本橋採用牽索式掛籃施工方案。
  5. With reference to the cantilever erection of the continuous steel box girder of zhuanxing road overhead bridge crossing shenfengjin expressway in shanghai, this paper mainly describes the application of plc - controlled hydraulic sync jack - up system to the balanced cantilever erection of the box girder, closure construction of the girder at midspan, and the operation, control key points and corresponding technical requirements for application of the system

    摘要結合上海莘奉金高速公路顓興路跨線連續鋼箱梁懸臂架設施工,重點闡述了plc控制液壓同步頂升系統在鋼箱梁「對稱懸拼,跨中合龍」中的應用及操作控制要點、技術要求。
  6. In this thesis, the new structure of pre - stressed cantilever composite beam with corrugated steel webs on steel - concrete composite spine girder was brought forward for the first time, a series of experimental researches and theoretical analyses relating to this new structure are conducted, including load transverse distribution rule, shrinkage and creep effect, temperature difference effect, and ultimate bearing capacity

    本文提出大懸臂預應力波形鋼腹板挑梁這一新的構造形式,對其橫向分佈規律、收縮徐變、溫差效應以及承載能力等方面的受力特徵進行了分析和試驗研究。
  7. 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。
  8. 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
  9. The influence of shearing deformation causes the non - uniform stress in the wing plate of the box girder, especially the cantilever box girder

    摘要剪切變形的影響使得箱形梁的翼板中出現應力不均勻現象,尤其是懸臂箱形梁剪力滯現象。
  10. This paper presents the design method for a long span concrete continuous girder bridge with precast segments, mixed arrangement of internal and external tendons, and to be constructed with cantilever erection by overhead launching gantry, and also discusses several issues of the type of the bridge in need of special considerations in aspect of design calculations and constructional design

    摘要介紹採用節段預制架橋機懸拼施工,採用體內、體外混合配束的大跨度混凝土連續梁僑的設計方法,對設計計算及在構造設計上需要特殊考慮的一些問題進行了探討。
  11. Some suggestions of cantilever installation of steel box shaped girder are given

    對懸拼法鋼箱梁安裝提出了一些有益的建議。
  12. At last, with the stiffness method, the effect of diaphragm density on restraining the distortion of thin - walled bar is analyzed. with different load cases of uniformly load and concentrated load and different boundary conditions of two fixed ends and two simply supported ends and cantilever, the distortion and torsion of the same rectangle thin - walled girder is examined

    在均布和集中兩種反對稱荷載情況下,按兩端固定、兩端簡支和懸臂三種不同的支承情況,採用剛度法對同一矩形截面薄壁桿件的畸變和剛性扭轉分別進行分析。
  13. Gm ( 1, h ) model, considering the temperature variation influence on long cantilever girder, is proposed to solve the fitting and predication problem of flexbility deformation for the first time. after the applications, it shows higher precision and wider application prospect in small quantity data condition. the model would be popularized for cable - stayed bridge and continuous beam bridge

    本文首次提出使用gm ( 1 , h )模型,解決考慮溫度影響時長懸臂梁體撓度值的擬合與預測問題,從實際的計算結果來看,該方法應用於少數據量情況下樑體撓度值的擬合與預測,具有較高的精度和較廣的應用前景,可推廣到斜拉橋和連續梁橋施工撓度的預測計算中。
  14. Based on the minimum potential energy principal, the influences of three loads, which are concentrated force, trapezoidal load and sinusoid load, over shear lag of cantilever single - box - single - cell box girder are deducted and discussed, and a conclusion is reached, which has some instructive significance for designer to determine the sectional dimension and reinforcing bars ; the bending normal stress changes greatly as considering the shear lag effect

    以最小勢能原理為基礎,推導並討論了3種形式的荷載:集中力、梯形荷載、正弦形荷載對懸臂單箱單室箱形梁剪力滯的影響,得出考慮剪力滯效應后彎曲法向應力有較大變化的結論,對設計人員確定截面尺寸、截面配筋具有一定的指導意義。
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