形桁架 的英文怎麼說
中文拼音 [xínghéngjià]
形桁架
英文
a truss-
; 1. the trend of the development of burden and light hanging basket in the cantalever construction of continuous rigid frame bridge has been prospected, the roof truss and cable - state composite hanging basket also has been designed by analyzing and comparing with other ones. 2
對大跨度橋梁懸臂澆築施工的各種形式掛籃施工工藝進行了比較和總結，對連續剛構橋懸臂澆築掛籃施工中重載輕型的發展趨勢進行了展望，提出了一種用於解決重載輕型懸臂澆築施工的新型桁架斜拉式組合掛籃，並進行了可行性分析計算和設計。This paper related to a practical project that a high school is big bay building with teaching, experiment and studying, aim at the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), and the building loading much ( the building " self - weight is over the 9. 0 kn / m2 ). compared to r. c. rectangle columns, studying the aseismic performance of the r. c. special - shaped columns pure frame structure, the r. c. special - shaped columns frame - truss structure and the r. c. special - shaped columns frame - shear wall structure
本文，結合某中學大開間教學實驗綜合樓的具體工程，就抗震設防烈度較高地區（ 8度）和抗震不利的建築場地（類場地） ，並且建築物所受荷載較大的情況（建築物自重超過9 . 0kn m ~ 2 ） ，通過與矩形柱分析比較的方式，研究了異型柱純框架結構、異型柱框架-桁架結構，以及異型柱框架-剪力墻結構的抗震性能。To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high - position transfer story structures. first the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived. then combined with an actual engineering model ( 1 8 similar ratio ), the static loading and pseudo - dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete. seismic behaviors are analyzed, including inter - story displacement, base shear - displacement skeleton curves, and equivalent viscosity - damping curves. a program is programmed to carry out the elasto - plastic dynamic analysis, and displacement time - history curves of the two models are derived. the test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors. it can solve the disadvantages of laminated vierendeel trusses used in transfer story structures. finally, some design suggestions are put forward, which can be referenced by similar engineering
為滿足建築物大空間和靈活隔斷要求，在高位轉換層結構中採用迭層空腹桁架結構.首先分析了其受力性能，得出了空腹桁架各構件合理的截面剛度以及布局形式.然後結合一實際工程，進行了兩榀迭層空腹桁架轉換結構模型（ 1 : 8相似比）的豎向荷載下靜力試驗以及擬動力試驗.其中一榀為普通混凝土迭層空腹桁架，另一榀配置了預應力和鋼骨混凝土，對比分析了兩模型的層間位移比、骨架曲線以及等效粘質阻力系數等抗震性能的比較，並進行了彈塑性動力分析.試驗和分析結果表明，配置預應力和型鋼混凝土的迭層空腹桁架轉換結構具有良好的抗震性能，可以成功地解決迭層空腹桁架作為轉換層結構所產生的弊端問題，最後對這類轉換層結構提出了相應的設計建議Referring to some type of the structure such as plane truss, grid truss and grid shell, the author dissertates the common construction technique including whole installation, integral propping up, integral lifting, high altitude construction in bulk, member assembly and sliding construction
結合大跨度鋼結構的各種形式，如平面桁架、網架、網殼等，概要的論述了其一般的施工方法、工藝和技術要點，包括整體吊裝法、整體頂升法、整體提升法、高空散裝法、分單元吊裝法和高空滑移法。Timber structures - test methods - test of trusses for the determination of strength and deformation behaviour ; german version en 595 : 1995
木結構.試驗方法.測定承重能力和變形特性用桁架梁試This article discuss the method to measure distortion of truss by means of ccd device. the distortion can be measured with many kind of displacement transducer, but it must be placed on stable base. when the huge truss is moving through some tunnel, it is difficult to find a stable base, especially there is no enough space for someone to operate. it is hardly to measure the distortion by touching. on the contrary, this can be achieved by means of ccd device
桁架在自重或載荷的作用下產生的撓度可以用多種位移傳感器測得，這些測量方法需要有良好的基礎，在大型桁架梁測量現場，由於桁架的變形，難于找到這種基準，如果加上測量環境惡劣，人無法操作情況，則會給撓度測量帶來極大的困難，而採用光電荷耦合器件，並利用激光進行遠程實時撓度測量，即可以解決這個難題。Research of arrangements of web members and feasible styles for truss members of the staggered truss system
交錯鋼桁架體系的腹桿布置及其截面形式研究It is a top load bridge with a clear span of 288m, which is maximum one of the same structural system in asia. the main arch rib uses 8 steel tube of 920mm joined by web members and transverse truss to form a space truss. the soldier piles on the arch are made of bent frame to make the shape both artistic and novel
梅溪河大橋為一凈跨達288米的上承式鋼管混凝土拱橋，是目前亞洲同類橋型中跨度最大的橋梁，其主拱肋採用8根920mm的鋼管，通過腹桿及平聯形成鋼管混凝土空間桁架，拱上立柱亦採用鋼管混凝土排架，造型新穎美觀。The simplified method, one time statically indeterminate plane truss, for the solution of sunflower - patterned cable dome and sunflower - patterned cantilever roof is introduced. this method is clear and convenient and the results are reliable
提出了採用一次超靜定平面徑向桁架結構，求解荷載態下葵花型索穹頂和葵花型環形挑篷內力和位移的簡捷計算方法，該方法力學概念明確，思路清晰，計算簡便，結果可靠。At the same time, the steel truss with cross diagonal web members, without vertical web member, is the best project to transfer a big span structure
同時，研究發現有交叉斜腹桿而無豎腹桿的鋼桁架結構形式是實現大跨度、大柱網轉換的優選方案。This paper mainly makes the research of construction method for cast - in - situ concrete box girder of continuous girder bridge, using assembled highway bridge steel truss ( often known as bailey truss ) as the falsework, technical schemes for the falsework erected over river, particularly the rigid slant supports of the falsework on piers, and analysis, calculation methods and deformation of the falsework in accordance with the related tests in field
摘要主要研究了採用裝配式公路鋼橋桁架（通常稱為貝雷架）做為支架進行連續梁橋現澆箱梁混凝土的施工方法；研究了跨河施工支架的技術方案，特別是施工支架在橋墩上的剛性斜撐，同時結合現場試驗研究了施工支架的分析計算方法及變形。Thea, aimed at different situation and with the combination of the compatibility truss theory and limited balance principle and the truss - strut model, the shear strengthening theoretic formula for the beams under concentrated load is put forward. ground on the test data and real engineering, the simple design formula is afforded
然後，作者以桁架一拱模型和軟化桁架理論為基礎，綜合極限平衡原理，考慮了拉應變存在條件下混凝土抗壓強度的軟化，針對不同加固情況推導了集中荷載作用下的矩形截面約束梁的抗剪加固理論公式。The cfst x - type arches improve the lateral stability by sloping the arc ribs, so it is ofen used in the designs of cfst arch bridge with small ratio of the width to the span. tongwamen bridge is a half - through cfst arch bridge, its span is 238m, and the width of its roadway is 10m, so the truss ribs in - plane is sloped into x - shapc to improve its lateral stability. as the cfst x - type arches with longest span all over the country presently, the design of tongwamen bridge can be used for reference of adopting cfst x - type arches in the design of arch bridges with small ratio of the width to the span
鋼管混凝土x型肋拱橋是一種利用拱肋側傾來提高其橫向整體穩定性的橋型，在寬跨比較小的鋼管混凝土拱橋設計中應用較多。浙江銅瓦門大橋是一座中承式鋼管混凝土無鉸拱橋，跨徑238m ，橋寬10m ，拱肋為平面桁架形式，所以採用了x型拱肋以提高其橫向穩定性。作為國內目前跨徑最大的鋼管混凝土提籃拱橋，該橋的建成對我國今後長大跨徑小寬跨比鋼管混凝土拱橋採用提籃拱具有借鑒意義。Through researching practical engineering on anti - earthquake analysis between the concrete structure and storey - between truss, this paper compared dynamic period and seismic behavior of this two kinds of structures, calculated force and deflection, put forward into the storey - between truss is an economic, reasonable, practical structure, it can conveniently construct and save space
比較了這兩種結構的自振周期、振型，並對其內力（主要梁）的內力、變形進行驗算，說明在地震地區，選用層間桁架結構比混凝土框架梁具有更好的抗震性，同時具有經濟合理、方案可行、方便施工、節約空間的特點。Contrast with the results, the dissertation concludes that the axial loads of column have no essential variation, the variations of moments and shear forces of column are small under horizontal loads in contrast with the structure system in elastic ground, the moments and shear forces variation of column cannot be neglected, and the structure system with different foundation have the close degree variation
通過對比分析，本文認為水平力作用下交錯桁架體系柱的軸力基本不變，彎距及剪力響應數值變化不大。豎直荷載作用下，與彈性地基計算結果比較，彎矩及剪力均存在不可忽略的變化，且不同形式基礎其影響的程度基本相近。In order to reveal load mechanism and failure mode of thick pile caps, by means of the test of 1 / 4 - scale models of thick pile caps with six piles and post - handling study of 3 - dimensional non - linear finite element adina, this paper points out the shortage, which is that the design of pile caps is carried out by flexural strength in chinese technical code for building pile foundations jgj94 - 94 and american reinforcement concrete building construction code aci318 - 02, promulgates that the failure mode of thick pile caps is punching failure and load transfer mechanism is the strut - and - tie, which is that zones of concrete with primarily unidirectional compressive stresses are modeled by compress struts, while tension ties are used to model longitudinal reinforcement over pile
摘要為揭示厚承臺的傳力機理和破壞形式，通過對4個1 : 5比例的六樁厚承臺的模型試驗研究與三維非線性有限元adina的后處理研究，指出中國建築樁基技術規范jgj94 - 94與美國鋼筋砼房屋建築規范aci318 - 02規范中，承臺以彎曲強度進行配筋計算的設計方法之不足，揭示出厚承臺的破壞模式是沖切破壞，傳力機理是以帶有主要單向壓應力的砼區域作斜壓桿，樁頂區域的縱筋作拉桿的空間桁架。By using pro / engineer, three - dimensional parametric model of arm is presented for further design of arm and layout between satellite and antenna. independent variable parameters of hoop truss and relations between assemblies are obtained by analyzing the function, basic theory and construction properties of hoop truss
通過對衛星天線環形桁架的功能、結構及工作原理的分析，確定了天線環形桁架結構的獨立可變參數並建立了各裝配間的參數協調關系，在此基礎上藉助三維參數化造型技術，獲得了天線環形桁架的三維參數化實體模型。The distribution of pre - stress in parabolic net of astromesh deployable antenna plays an important role in design and analysis of this kind of deployable antenna, a common method to solve this problem is non - linear finite element method
環形桁架可展天線中心索網的預拉力配置問題是此類天線結構設計與分析的重點，目前，常採用的解決方法為非線性有限元平衡迭代。Following the developing of the aeronautical technology, higher request was brought forward to deployable antenna on satellites from every relative field. a lot of structural concept for deployable antenna was given out by aeronautic scholar. astromesh deployable antenna is one of them, which has most potential for space application
隨著宇航科技的發展，各相關學科對空間可展天線提出了更高的要求，主要體現在大口徑、高精度兩方面，為此各國學者提出了形式眾多的空間可展天線結構概念，環形桁架可展天線是其中最具潛力的結構形式之一，是本文研究的一個重要方面。A large astromesh deployable antenna which is a project supported by state committee was designed and analyzed in this paper. the design and analysis process was described in detail. through the parallel analysis of four common type of cable - net for astromesh antenna and the parameterized analysis of every kind of structural parameter, the influence to static and dynamic characteristic of astromesh deployable antenna by the type of cable - net and every kind of structural parameter was given out
結合課題組承接的科研項目，對一大型環形桁架可展天線結構實例進行了設計與分析，對設計分析的各個環節進行了詳細的闡述，通過對該類天線四種常用索網形式的對比分析及各類結構參數的參數化分析，得出了索網形式及各類結構參數對其靜、動力特性的影響規律，對此類可展天線的設計具有指導意義。分享友人