等效梁 的英文怎麼說
中文拼音 [děngxiàoliáng]
等效梁
英文
equivalent beam-
Practical method for calculating equivalent wind loads on double cantilever bridges
等長雙懸臂梁等效風荷載實用計算方法During the course of the example computing this paper also discusses how to get the rigid measure of the solid tires, equivalent mass of the boom and equivalent rigid measure of the boom
在實例計算過程中也給出了實體橡膠輪胎的剛度和階梯懸臂梁的等效質量、等效剛度的近似計算方法，這些演算法使理論計算簡單可靠。Strip - shape underground structures such as the tunnels and tubes for various uses can be treated as a beam on elastic foundation under earthquake condition ， although there exists soil - structure interaction ， the foundation soil vibration is dominant in other words ， analysis of earthquake response of the soil is essential to this end ， simplified models ， ( i. e equivalent mass system models based on some equivalence criteria ) are proposed ， instead of a general 3 - d continuum model in this study ， equivalence criteria are proposed and the simplified models are compared the single - mass - string model is proved to be valid and therefore applied to the analysis of earthquake response of the pearl river immersed tunnel
條裝地下結構如隧道、各種埋設管道等一般可看作彈性地基梁進行靜力及動力分析在地震條件下，結構與土相互作用，但土的振動成為主要因素為分析土的地震響應需把基土這一三維連續體作簡化處理，簡化成為等效多質點模型本文著重探討這種簡化模型的建立方法，推導等效方程，通過幾種簡化體系的分析比較，論證單質點串體系的合理性，並將其應用到廣州黃沙芳村珠江水下隧道工程的地震響應分析，為抗震設計提供依據The content of this thesis comes from the fujian natural science found following research task 。 it studies on a space cantilever single beam attached to a moving support 。 inertia forces which are brought by the support ' s movement ， are acceded to the equivalent initiative forces and the equivalent initiative moments 。 when we consider the relation of the forces and deformation ， we change the method of material mechanical analysis to the elastic mechanical analysis 。 further more ， we discusses the feasibility of the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body 。 first ， the finite segment method is adopted to establish the models of the beam 。 based on kane ' s equations ， dynamic math - model for the beam are derived 。 and by use of c - language and runge - kutta procedure ， the computer - oriented procedure can give the whole responses of the beam 。 second ， with compare to the numerical examples ， the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body which is under the condition of movement is verified to be feasible 。
本論文為福建省自然科學基金后續研究課題，以已知支撐運動的單個空間懸臂梁為對象，在等效主動力與等效主動力矩中加入支撐轉動引起的慣性力，並在考慮力與變形關系時，用更一般的彈性力學分析代替材料力學分析，進一步研究用多剛體離散模型來模擬其動力學特性的可行性。首先，用有限段建立機械臂的多剛體離散模型，用kane動力學方法建立其動力學方程。並用c語言編制演算法程序，採用了四階runge - kutta積分程序求解微分方程組，給出構件的全部動態歷程。Based on the research to the stability variable cross - section beam, the bending defection differential equation of the variable cross - section beam in critical state of bucking is established. according to the edge condition of the structure, the differential equation is solved and bucking equation of variable cross - section beam is created. we can get the algorithm which can be used to calculate the equivalent inertia moment of the variable cross - section lattice structure when it is regarded as constant cross - section of solid web beam
對變截面格構式構件的穩定性計算進行了初步的研究，通過建立變截面構件臨界狀態下彎曲變形的微分方程，根據變形邊界條件，得到了兩端鉸支的變截面梁失穩特徵方程，提出了幾種特殊形式的變截面格構式構件等效為等截面實腹式構件時等效慣性矩的計算方法。Considering the stiffened plate as a composite system of grillage beams and slab, the superstructure as an equivalent rigidity plate, a semi - analytical and semi - numerical method, which makes use of compatible analysis of force and displacement among beams and slabs and columns and ground, is developed to analyze interaction between stiffened raft foundation and subsoil considering the rigidity of superstructure
摘要將彈性地基上的梁板式矩形筏基視為十字交叉梁與平板組合體系，上部結構剛度簡化為等效剛度板，採用半數值、半解析方法，通過梁、板、柱以及地基之間力與位移平衡協調分析，可得到考慮上部結構剛度時梁板式筏基寫地基共同作用的半數值、平解析解。Finite element internal force method is presented in this paper to solve it, based on the result of the routine method. this method utilizes the condition of internal force balance of arch system and beam system to solve their internal forces, then to solve dam body ' s equivalent stresses
為此，本文提出了有限元內力法，該方法是根據常規有限元法的分析結果，利用拱和梁的內力平衡條件求解拱梁內力，然後求解壩體等效應力。This paper deals with seismic response of a tunnel - soil system immersed tunnel ， as an underground structure ， must be compatible with the deformation of the surrounding soil thus the simplified model for a tunnel - soil system is established through two steps at the first step ， an mdof system is developed for modeling the foundation soil to this end ， dynamic behavior of the foundation soil is analyzed a typical section of the foundation soil simplified as a single mass - spring system on the basis of some equivalent criteria those mass are linked longitudinally by elastic springs to form an mdof system at the second step ， the tunnel is treated as a beam on elastic foundation ; that is ， the tunnel is connected with the soil massed to form a tunnel - soil system this model has been applied to the seismic analysis of huangsha fangcun immersed tunnel across the pearl river in guangzhou design recommendation is proposed on the basis of this analysis
研究沉管隧道在地震條件下整體受力的分析方法分兩步建立計算模型第一步通過分析場地地基土切片的動力特性，根據等效原則將其化為等效單質點體系，然後在縱向用等效彈簧連接而成為多質點體系的地基土計算模型；第二步將隧道看作彈性地基梁與上述多質點體系通過等效彈簧連結而得到土隧道體系的計算模型本文結合廣州黃沙芳村珠江水下隧道工程實例建立了具體的計算模型並對多種不同的約束條件，進行了縱向與橫向地震響應時程分析，為該隧道的抗震設計提供依據The wall was equaled to an elastic composite slab with silica bricks as main body and concrete rib beams, columns and outer frame as reinforcing fiber. ( 2 ) elastic - plastic stage. the wall was equaled to a rigid frame - oblique compression bar model in which concrete frame was equivalent to a rigid frame while silica brick was equivalent to a oblique compression bar
（ 1 ）彈性階段? ?將墻體視為一種以輕質砌塊為基體，混凝土肋梁、肋柱、外框為增強纖維的復合材料等效彈性板； （ 2 ）彈塑性階段? ?將墻體視為一個由鋼筋混凝土剛架和與之鉸接的砌塊等效斜壓桿組成的剛架斜壓桿組合模型； （ 3 ）破壞階段? ?將墻體視為肋梁嚴重破損的梁鉸框架模型。Result shows : the vibration of vehicle is mainly relevant to velocity and uneven path. the higher the velocity is, the more uneven the path is, the more violent the vibration of vehicle is ; comparing dynamical response of middle bridge stride on vehicle passing bridge and on equivalent moving loads, the displacement is same but the velocity and the acceleration are different ; the result of velocity and acceleration of vehicle is big over the ground path than over the same path of bridge
結果表明：車輛的振動主要和車速及軌道不平順有關，車速越高，軌道越不平順，車輛振動的就越劇烈；車過橋時橋梁跨中動力響應與等效移動荷載作用下橋梁跨中動力響應比較，橋梁跨中的位移基本相近，速度和加速度則不同，等效移動荷載作用情況下的數值比較大；車輛過地面軌道不平順時的速度、加速度比車輛過橋上同樣軌道不平順時的數值大。The whole piezolaminated curved beam is equivalent as a single layer structure, and the governing equation of piezolaminated curved beam with small curvature is derived based on one - dimensional beam theory
將壓電夾層圓形曲梁等效為單層結構，基於一維小曲率曲梁理論，建立其控制方程。Statistic analysis on fatigue load effect and equivalent stress range of steel crane structures in service is carried out. the stress range distribution in whole life is deduced by the spot measurement little sample stress - time process. meanwhile the statistic analysis on the fatigue resistance process is conducted, according to fatigue data of all kinds of structural joints in domestic and overseas, which is foundation with, establish the fatigue reliability model
2 、在大量調查的基礎上，對吊車梁所承受的疲勞荷載效應與等效等幅應力進行了統計分析，同時根據國內外有關各構造細節的疲勞資料對疲勞抗力參數進行了統計分析，為建立疲勞動態可靠性分析模式奠定基礎。For the cantilever beam, the theoretical stiffness and limited capacity are slightly less than the test ones if considering only the steel beam and the reinforced bars in the negative moment zone with the concrete in the tension zone ignored
結果表明：簡支組合扁梁，忽略彈性中和軸以下受拉的混凝土的影響，採用等效換算截面方法計算所得的剛度和極限承載力與試驗結果比較吻合；懸臂梁只考慮混凝土板中配置的負彎矩鋼筋，忽略混凝土，計算所得的剛度和極限承載力比試驗結果略微偏小，但相差不大。Then calculate the member individually, including the calculation of load - behavior capacity, the calculation of high strong bolt with the method of connection with beam, the design method of stiffening rib, etc. the text educed the above - mentioned formula theoretically. 5. linking with windmill flat engineering example in the third youth flat engineering of yi zhuang development area, beijing, it and steel frame constitute the steel frame ? steel shear wall with slit system respectively are analyzed the whole structure by ansys and satwe
既利用剛度等效的原則，把其轉換為工程計算軟體可以計算的支撐體系，然後對構件進行單獨計算，包括承載力的計算、和梁接合方法? ?高強螺栓的計算、加強肋的設計方法等內容； 5 、帶縫鋼板剪力墻與鋼框架形成鋼框架? ?帶縫鋼板剪力墻結構體系，結合北京亦莊經濟開發區青年公寓三期工程中的風車公寓工程實例，分別採用ansys和satwe進行了結構整體分析，兩者的計算結果相吻合。According to these characteristics and equivalent static wind loading ( eswl ) theory of high - rise buildings and bridges, refined idea to study eswl of large span roofs is presented
針對上述特點，並借鑒高層、橋梁結構的等效靜風荷載理論，提出了大跨屋蓋結構等效靜風荷載研究的精細化思想。In view of the defects of the available bridge girder models ， this paper proposes a new double - girder model adapted to composite bridge sections for the dynamic analysis of long - span cable - stayed bridges in the proposed model ， the equivalence of the stiffness and mass systems of the bridge girders can be satisfied and the nodes and elements can be maintained in lower numbers the dynamic behavior of a cable - stayed bridge is analyzed by the new double - girder model and the conventional triple - girder model respectively the numerical results show the accuracy and efficiency of the proposed model
針對大跨度斜拉橋動力分析的現有橋面系模型的不足，提出了一種適用於疊合梁橋面系的新型雙主梁模型該模型既保證了橋面系剛度系統和質量系統的等效性，也使模型的節點數和單元數維持在一個較少的水平，提高了計算效率採用文中提出的雙主梁模型和傳統的三主梁模型對廣州鶴洞大橋進行了動力特性分析，結果顯示了本文模型的正確性和實用性On the basis of relative researches in the world, according to the study status of steel - concrete composite slab, which would be widely used in modern bridge, modified equivalent inflexibility of steel - concrete composite slab was deduced by use of conversion section principle in this paper ; based in this, this paper put forwards the theory of ultimate flexural capacity of steel - concrete composite slab in consideration of slip effect, and introduces the practical simplified method for calculating flexural deformation of steel - concrete composite slab in consideration of the effect of steel studs and welded wire, and conclude that the methods in this paper is veracious and reliable, comparing with the traditional calculating mode ; morever, this paper put forwards the calculating theory and program of the effect analysis of creep and shrinkage to steel - concrete composite slab, using conversion elastic modulus principle, and testifies that the theory is right and the program is reliable and practical
本文在國內外研究成果的基礎上，針對壓型鋼板與混凝土組合板結構在現代橋梁建設中廣泛應用前景和研究現狀，利用換算截面法導出了壓型鋼板與混凝土組合板結構的修正等效慣性矩；在此基礎上，又推出了考慮壓型鋼板與混凝土之間的相對粘結滑移影響的壓型鋼板與混凝土組合板結構極限抗彎承載能力計算理論，並介紹了考慮栓釘、聯結件影響的壓型鋼板與混凝土組合板結構簡化實用撓曲變形計算公式，而且通過與傳統計算理論的分析比較，表明本文提出的計算理論公式的準確可靠性；此外，採用換算彈性模量比法著重提出了壓型鋼板與混凝土組合板結構的徐變、收縮效應分析的計算理論和程序，並通過實例分析計算證明了理論的正確性、程序的可靠性和實用性。By using the calculating method of the flat - plate floor, the bend moments of the slab in different place are calculated. the moment distribution ratio between the column trip and the middle trip of the cast - in - place reinforced concrete hollow flat - plate floor calculated by the equivalent frame method is demonstrated. the moment of the cast - in - place reinforced concrete hollow flat - plate floor calculated by the experience coefficient method is also demonstrated
進而將無梁樓蓋體系的計算方法應用於現澆空心板無梁樓蓋中，通過對板格彎矩的分析，得出了現澆空心板無梁樓蓋按等效框架法計算的板帶彎矩分配比例系數，按經驗系數法計算的板帶彎矩設計值。During elastic - plastic stage, the wall was equaled to a rigid frame - oblique compression bar model. during failure stage, the wall was equaled to a beam - hinged frame
彈性階段一一復合材料等效彈性板模型;彈塑性階段，一捆lj架斜壓桿模型;破壞階段一一梁鉸框架模型。In the calculations of ultimate bearing capacity, the section of rc beam was divided into the elastic zone and the plastic zone based on the fire temperature field of the beam ' s section, the equivalent - floor - live - load was presented to describe the weakening of the bearing capacity of structure members in fire, the correlation expressions were established
摘要根據梁截面火災溫度場，將梁截面混凝土分為彈性區和塑性區2部分計算火災場梁極限承載力，並採用等效樓面活荷載描述火災場高溫對梁極限承載力的削弱，推導了相關的計算公式。分享友人