斜拉應力 的英文怎麼說
中文拼音 [xiélāyīnglì]
斜拉應力
英文
diagonal tensile stress-
The thesis has summarized the development of the oblique - pull bridge, its construction technology and the importance of bridge construction control, then has introduced project general situation, and has narrated detailed regulation, organization construction, the major work and difficult part of this bridge construction control. the following is the key part of this thesis, firstly, it has introduced the experiment work of early stage, structural calculation and its theoretical result : the absolute altitude of each operating mode, the absolute altitude of building mould in each section and the absolute altitude after pouring concrete ; then, it has discussed the method and content of the line shape control of the main beam, actual absolute altitude of building mould is put forward, and it has described the method of structural stress monitoring, how to arrange measure point and collect data, and how to analyze data. it has also narrated the method of rope force detection and structural temperature inspection
本論文在總結了斜拉橋的發展及其施工工藝,並指出了橋梁施工控制的重要性之後,簡要的介紹了工程概況,敘述了炳草崗金沙江大橋監控細則、組織機構及監控的主要工作和難點部分;論文的核心部分,在介紹了炳草崗金沙江大橋施工控制與監測工作的前期實驗工作和施工各工況標高、各節段支模標高、澆注混凝土后的標高的結構計算和其理論計算結果之後,詳細論述了主梁的標高線形控制方法和內容,實際支模標高的提出,結構應力監控的方法、布點、測讀及其對測讀數據的合理分析方法,索力檢測和結構溫度監測的方法。Cbm sealed condition is bad under neutral plane at axial part where shows tensile stress in syncline structure
向斜中和面以下表現為拉張應力,向斜軸部中和面以下的煤層甲烷封存較差。Cbm is easy to escape over the neutral plane where shows tensile stress in antiform ; cbm accumulates under the neutral plane
背斜構造中和面以上表現為拉張應力,煤層氣容易逸散,中和面以下煤層甲烷聚集。This thesis studies shear lag effect on three representative forms of cable - stayed bridge cross sections by different theoretical methods
本文針對斜拉橋具有代表性的三種截面形式,採用不同理論計算方法對其剪力滯效應進行研究。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。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。In this paper, the structural characteristics and structural types of prestressed concrete truss - stayed bridge are analytically discussed, the new ideas for further development of the type of the bridge are put forward and two practical examples of the bridge are illustrated as well
摘要分析探討了預應力混凝土斜拉桁架橋的結構特點及結構型式,提出了預應力混凝土斜拉桁架橋新的發展思路,並介紹了2個實際工程項目。( 2 ) development and application of the light - type cable - stayed hanging - cradle for railway, the hanging - cradle was applied in the construction of large span railway prestressed continous beem bridge, the quality and schedule of the construction was ensured
( 2 )開發、應用鐵路輕型斜拉式掛籃,施工大跨度鐵路預應力混凝土連續梁,保證了工程質量,達到了最快6d澆築t構一對梁段的施工進度。Effect of geometrical nonlinearity on wind induced response of cable stayed cantilevered roof of stadium
幾何非線性對斜拉索懸挑屋蓋風激動力響應的影響The seperated pair of main ribs section was made up by bridge panel and girder, because its construction is convenient, used widely in the prestressing force concrete cable - stay bridge of large span
回答:分離式雙主肋截面是由橋面板與邊主梁組合而成,由於其施工方便,在大跨度預應力混凝土斜拉橋中得到廣泛應用。Dynamic analysis and linear seismic response of the third aodang cable - stayed bridge in macao
澳凼第三大橋斜拉橋的動力特性及線性地震反應分析Considered local damage due to steels corrosion, fatigue, prestressing loses, whole bridge incline and distortion, this paper studies damage diagnosis technique of the cable - stayed bridge and determines the location and size of damages for yonghe cable - stayed bridge, which has been used after 15 years
針對鋼筋腐蝕、疲勞、預應力鬆弛、橋梁整體傾斜或變形所引起的斜拉橋局部破損,本文以使用15年後的永和斜拉橋為研究對象,對大型斜拉橋破損診斷技術進行研究,對永和斜拉橋破損位置進行定位、對其破損程度進行評價。The optimization model of the cable tensile force is established, resolving the ideal finished state of considering syntheticly the requirement including the dead load, active load and presress of structure, meanwhile, providing a forward - calculating method for determining the rational construction state on the foundation of the optimization model. on the other hand how to determine and adjust the important parameter, the cable midst tensile forces and the main feam form setting levels in constructing cable - stayed bridge, has also been analyzed, besides, the corresponding calculation method is introduced and applied to the actual construction controlling of xian tao han jiang highway bridge well
本文以仙桃漢江公路大橋為工程背景在斜拉橋設計計算方面進行了的研究,建立了斜拉橋索力優化模型,一方面解決了能綜合考慮結構恆載、活載及預應力等多方面因素的理想成橋狀態確定問題;另一方面在確定合理施工受力狀態問題上提出了一套以索力優化模型為基礎的正裝計演算法。同時對斜拉橋施工中關鍵參數斜拉索中間索力和主梁立模標高的確定和調整做了進一步的分析,提供了相應的計算方法,並應用於仙桃漢江公路大橋施工控制過程中,取得了良好的效果。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。Secondly, the basic principle on optimal design of structure is presented. based on the characteristics of aqueduct - stayed optimal design, cable optimization, aqueduct body selection optimization and aqueduct body vertical section optimization are included. the prestresses of cable - stayed, the dimension of aqueduct and the number of reinforcing steel bar are chosen as the design variables
根據斜拉式渡槽優化設計的特點,本文將槽身優化分為索力優化、槽身橫斷面優化以及槽身縱斷面優化三個方面進行優化設計,確定斜拉索預應力、槽身斷面尺寸、槽身橫向及縱向預應力鋼鉸線配筋數量等槽身設計的主要變量。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。It was showed that under the transverse tension, high stress concentration and even concrete cracks would appear on the oblique webs of the model
研究表明,在張拉橫向預應力鋼束以後,主梁邊箱斜腹板中部會出現高拉應力區以及混凝土裂縫。In order to study basic roof ' s destruction movement that affects working face in horizontal section top coal caving in mining steep seams, this paper analyses tension of roof using elastic and thin board theory and concludes criterion of roof destruction based on long and narrow thin board
摘要為研究急斜煤層水平分段放頂煤開采過程中基本頂破壞活動對工作面的影響,根據急斜煤層基本頂具有傾斜狹長板的特點,運用彈性薄板理論對基本頂巖層進行了拉應力分析,得出了頂板破斷的判別準則,建立了基本頂初次破斷后形成的「鉸接結構」的力學模型。In order to study the basic roof ' s destruction movement that affects working face in horizontal section top coal caving in mining steep seams, this paper analyses tension of roof using elastic and thin board theory and obtains criterion of roof destruction based on long and narrow thin board
摘要為研究急斜煤層水平分段放頂煤開采過程中基本頂破壞活動對工作面的影響,根據急斜煤層基本頂具有傾斜狹長板的特點,運用彈性薄板理論對基本頂巖層進行了拉應力分析,得出了頂板破斷的判別準則,建立了基本頂初次破斷后形成的「鉸接結構」的力學模型。分享友人