桁架壓桿 的英文怎麼說
中文拼音 [héngjiàyāgǎn]
桁架壓桿
英文
push brace-
The possible shear of the upper chord will change beam from flexural member to member under flexure and compression force. this is emphasised through design example. as a result ， we find that composite floor system is good for reducing the height of floor system
在組合樓蓋體系設計中，筆者指出，可能的桁架弦桿剪力會使作為桁架弦桿側向支承的梁由彎曲構件變為壓彎構件，這是在與桁架體系相適應的樓蓋體系設計中應該注意的一個環節。The findings above confirm that there exsists three transfer mecha - nisms in the joint, that is, the truss mechanism, the diagonal strut mechanism, and the confinement mechanism
以上結果確認了節點中存在三種傳力機構，即桁架機構、斜壓桿機構和約束機構。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。The creative results are as follows : ( 1 ) behavior of the stirrup legs in the loading direction in the joint core ( along the loading direction for circular stirrups ) is different from that perpendicular to the loading direction. the stirrup legs in the loading direction acts as the tension chords in the truss model to resist shear, in the meantime, they confine the compressed diagonal strut from lateral expam - sion
沿受力方向箍肢（或部位）既作為桁架機構的拉桿參與抗剪又對斜壓桿受壓后沿受力平面側向膨脹的水平分量起約束作用；垂直受力方向箍肢（或部位）原則上僅對斜壓桿沿垂直受力方向側向膨脹起約束作用。Firstly, for the intelligent structure ' s active bars, a constant output velocity feedback control law is dissipation energy due to control action and the optimal mathematical model with the reliability constraints on dynamic stress and displacement was built
以直接輸出速度反饋作為閉環控制律，基於最大耗散能準則，建立了以主動桿配置位置和控制系統增益為設計變量，具有動力響應（應力響應和位移響應）可靠性約束的壓電智能桁架結構主動桿優化配置的數學模型。The cold - formed square hollow section columns are widely used in various structures such as building structure, trusses, space frames and offshore plates etc. this paper is mainly doing the research on load carrying capacity of the cold - formed square hollow section columns under axial load, the paper includes the following main contents : ( 1 ) an elastic buckling stress for cold - formed square hollow section is presented by finite element analysis, and is compared with the result given by classical elastic buckling theory ; ( 2 ) the elastic - plastic non - linear behavior of the cold - formed square hollow section columns analyzed by ansys is presented ; ( 3 ) by using material model, and geometry nonlinear analysis, the cold - formed effect to stub columns of cold - formed square hollow section is studied ; ( 4 ) by using an material model, the geometry nonlinear analysis, the influence of initial geometrical imperfection to stub columns of cold - formed square hollow section is also analyzed ; ( 5 ) the load carrying capacity of the cold - formed square hollow section columns, which are including the cold - formed effect and influence of initial geometrical imperfection is analyzed by non - linear finite element, and the theoretical analysis results are compared with the results of experimental study and the results calculated by specification gb50018 - 2002
冷彎方管作為軸心壓桿廣泛用於房屋結構、桁架、網架、塔架以及海洋平臺等結構中，本文主要研究軸心受壓冷彎方管的承載力性能，內容主要包括以下一些： （ 1 ）對冷彎方管的彈性臨界應力進行有限元分析，並與經典理論結果進行對比，以驗證有限元程序的適應性； （ 2 ）闡述冷彎方管採用有限元彈塑性非線性分析理論及應用ansys軟體的非線性分析方法； （ 3 ）採用彈塑性模型，考慮幾何非線性及材料非線性，對不同寬厚比的軸心受壓冷彎方管柱的冷彎效應進行有限元非線性分析研究； （ 4 ）考慮冷彎效應對屈服應力的影響，對不同寬厚比的軸心受壓冷彎方管短柱在不同初始變形下的承載力性能進行有限元非線性研究； （ 5 ）考慮冷彎效應、幾何初始變形，對不同長細比和不同寬厚比的軸心受壓冷彎方管長柱的承載力性能進行有限元非線性研究，並與試驗結果以及我國現行規范gb50018 ? 2002計算結果進行對比分析。The seismic resistant design method of reinforced concrete beam - column connections based on compression strut and softened truss models
基於壓桿和軟化桁架模型的鋼砼樑柱節點抗震設計方法Second, to solve the local stability problem of the bar under pressure, a function relationship between the sectional area and the inertia moment is established by using the similar transformation. accounting to the critical pressure stress, iterative formulas are derived which include big, middle and small flexible degree
其次，對于桁架結構中受壓桿件的失穩破壞，本文提出採用相似變換方法找到截面積與慣性矩的關系，根據壓桿的臨界應力分別導出大、中、小柔度的迭代公式，設計出壓桿的截面積。分享友人