cable force 中文意思是什麼
cable force
解釋
纜索作用力-
In order to considering the affections of the adjacent zone out of the girdler section, the internal - forces of two end surface which were obtained by the horizontal shaft system analysis are exerted on each model respectively. moreover, the weight, cable force and prestressing forces including girder longitudinal, diaphragm transverse and inclined web vertical directions are considered
考慮到梁段以外附近區域的作用，在其兩端面上施加了由平面桿系結構分析所得的端面內力，另外，索力和預加力（梁縱向、橫隔梁橫向、斜腹板豎向）也施加在相應的位置，分析了箱形主梁在自重、索力和預應力作用下的空間應力效應。 -
Combining with the performances of danshan bridge, discussing the methods on the construction controlling and calculation of cable - stayed bridge, this paper raises an efficient construction controlling system, and realizes collecting construction data of the real bridge and technical information. by analyzing on the difference of theoretical calculation and real construction state, the author determines to take self - adapting construction controlling method which uses kalman filter method to identify and adjust construction parameters. by getting rational construction state from forward iteration method, this paper, taking concrete creep effect in consideration, raises a rational scheme to pre - remain deformation and adjust cable force
結合丹山橋的結構特點，通過對斜拉橋施工控制及結構計算方法的探討，提出了有效的施工控制系統，實現了對實橋施工數據和技術信息的採集；通過分析理論計算與實際施工狀態的差異，確定了以卡爾曼濾波法作為施工參數識別與調整的自適應施工控制方法；通過正裝迭代法確定其合理施工狀態，並考慮混凝土的徐變效應，提出了合理的預留拱度和索力調整方案。 -
The force control of suspension bridge anchorage cable is the main contents which will be researched. according to the character of suspen - sion bridge anchorage, three questions is solved in this paper on the basis of the construction control experience of the highway bridge of yichang yanzhi river. firstly, an effective method of cable force control is presented in this paper, which has settled the puzzle of cable force accurate operate through fixing a pressure transducer at the behind of the hydraulic jack. secondly, an exactitude calculation model is founded in this paper. in addition the influence of boundary condition, sag, inclination, flexural rigidity and environment temperature to the cable vibration frequency which make the frequency method could be used to the measurement of cable force. in the end of this paper, a control system of anchorage cable force is developed on the basis of the above research. this system is very steady, credible, high precision and convenient. it is a new and credible method to be used to the force control of sus - pension bridge anchorage cable. in this paper, the conundrum of cable force control has been solved. the fruits are very useful to the development of inland suspension bridge
提出了一種有效可行的錨跨張力控制方法，即通過在油壓千斤頂后加壓力傳感器，並利用單片機技術進行數據採集，解決了懸索橋錨跨索股初張力精確控制的難題；建立了錨跨索股索力的精確計算模型，分析了索股的邊界條件、斜度、垂度、抗彎剛度及環境溫度對索股頻率的影響，解決了弦振法在大跨徑懸索橋索力測試中的應用問題；在上述研究成果的基礎上，研製出了錨跨張力控制系統，該系統具有穩定可靠，精度高，使用方便等特點，它的投入使用將為我國今後大跨徑懸索橋錨跨張力控制提供一種全新的、可靠的手段。 -
Aimed at the active - pulling control features of lifting - cable in vertical lift process, finite element optimum design method was adopted, the problem of calculation of lifting - cable force was solved, the trend of lifting - cable force was also analyzed, the results of theoretical calculation are applied to the real project, get good effect
針對豎轉提升過程中提升索主動張拉的控制特點，採用有限元優化設計的方法，解決了提升索力計算的問題，並分析了提升索力的變化規律，將理論計算結果應用於工程實際。 -
Taking the sucessful control experiences in previous cable - stayed bridge construction into consideration, the control principles and methods for gonghe bridge, that is controling the stress of both the top and bottom sides of main beam, regarding the second stretching as the hauling cable force method, are offered, and related construction procedures for all construction stages are designed
在總結前人對斜拉橋施工控制經驗的基礎上，針對公和斜拉橋施工控制提出了相應的控制原則和方法，即以「控制主樑上下緣應力」為主梁內力控制原則，以「二次張拉」為斜拉索索力控制的方法，並根據各施工階段的具體需要設計相應的施工步驟。 -
Finally the error of the line shape and the cable force at finished bridge state has been controlled in an ideal limitation
仙桃漢江公路大橋的施工控制應用表明效果較好，邊跨合攏前的主梁線形和索力誤差都控制在了理想的范圍以內。 -
Stress response of the tower wall at the least favorable section of all of the single section on the cable tower anchor segments of the cable - stayed bridge was studied under the annular pre - stress with cable force and tensile force by comparing the experiment results of the full - scale model of segment with the results of the finite element simulation analysis according to the forced status of the cable tower under practical conditions
摘要通過索塔錨固區節段足尺模型試驗結果和有限元模擬分析比較，結合索塔受力的實際工況，對異型截面斜拉橋索塔錨固區節段最不利斷面在環向預應力與索力共同作用下塔壁的應力響應進行了研究。 -
Measure methods of cable force used in construction of cable - stayed bridge are introduced and factors that lead errors are studied. the available steps to minish errors are brought forward
介紹了斜拉橋施工中常用的索力測量方法，並對頻率法測量索力的誤差產生因素進行分析，提出了減小誤差的有效措施。 -
The successful application of the second stretching method of cable force in gonghe bridge ' s construction enrichs the principle of construction control of cable - stayed bridge, and it also offers valuable experiences for similar bridge ' s construction in future
「二次張拉到位」的索力控制方法在公和斜拉橋施工中的成功應用豐富了斜拉橋施工控制理論，為今後類似結構的大跨度混凝土斜拉橋的設計和施工提供了寶貴的經驗。 -
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 -
On the basis of association of finite element computation with optimization design and analysis of sensitivity of cable force variation to structural response and objective function ' s sensitivity, an optimization method for rationally bridge - completing cable force of large - span cable - stayed bridge was presented, where the structural internal force, linear control condition, and nonlinearity influence of structural geometry were taken into account in the entire process of optimization
摘要將有限元計算與優化設計分析相結合，在索力變化對結構響應和目標函數敏感性分析的基礎上，綜合考慮結構內力、線形控制條件，提出一種全過程計入結構幾何非線性影響的大跨斜拉橋合理成橋索力優化方法，採用一階分析法對成橋索力進行迭代優化。 -
2 ) calculation essence of reasonable cable force is equivalent to optimization calculation on force status of cable - stayed bridges under dead weight
2 ）合理成橋索力計算實質是斜拉橋恆載受力狀態的優化計算。 -
Study of cable force optimization of completed cable - supported arch bridge of concrete - filled steel tubes
鋼管混凝土拉索拱橋成橋索力優化研究 -
Abstract : cable - stayed is used to cable suspension, but cable force is calculated by manual, and only for less than 5 segments, and the prescion is poor. this paper puts forward “ zero moment method ”, which can not only calculate more segmental soupe force, but both temporary joint and fixed joint during construction. the mechanical concept is clear, and it is easy for calculating. it is fit for program, and the illustrations prove that the methods are right
文摘:斜拉扣掛在纜索吊裝中經常運用，但扣索索力多採用手工計算，且多用於5段以內的吊裝，計算復雜，精度低.本文提出「零彎矩法」 ，可計算任意多段扣索索力，既可計算拱肋在施工過程中各節段臨時鉸接，又可計算各節段固結的情況，將兩種連接方式統一成一種計算方法，力學概念清楚，計算簡便，適宜程，文中最後用示例證實本方法的正確性 -
The calculation and construction of cable force adjustment of gonghe cable - stayed bridge after closure are studied
對公和橋合攏后索力調整的計算及實施過程進行了深入研究。 -
Basic calculate methods for rational cable force under dead load are expounded and summarizeded
對現有的斜拉橋合理成橋索力計算方法進行闡述和總結。 -
Investigation of ansys - based nonlinear optimization of bridge - completing cable force of large - span cable - stayed bridges
的大跨度斜拉橋非線性成橋索力優化研究 -
Rational cable force can guarantee the structure safety in construction and make the structure ' s internal force reasonable after construction
斜拉索的索力合理與否直接決定了斜拉橋施工階段結構的受力安全和成橋后結構內力的合理分佈。 -
Because of its peculianties in design and construction, gonghe cable - stayed bridge adopts the second stretching method as the cable force controlled method and succeeded at last
公和斜拉橋因其結構和施工的特點，在施工中採用了「二次張拉到位」的索力控制方法，並最終取得了成功。 -
The rational cable force under dead load of gonghe bridge is calculated by the least bending strain energy method 2. cable force controlled methords are introduced. the initial construction cable force of gonghe cable - stayed bridge are calculated by trial methord based on anvance analysis 3
介紹了斜拉橋施工中常用的施工控制方法及相應的索力控制方法，分析了公和橋施工中所採用的「二次張拉到位」的索力控制方法的特點和優點，通過基於正裝分析的試算方法得出公和橋施工中拉索的初始張拉力。
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