構件剛度 的英文怎麼說
中文拼音 [gòujiàngāngdù]
構件剛度
英文
stiffness of structural member-
From the analysis, some suggestion about joint rigidity design is put forward : 1. joint initial rigidity can be enhanced within the limited range when to increase end - plate thickness ; 2. the rigidity and ultimate moment can be enhanced obviously when to adopt the beam with inclined section or to add axilla at the connections between beam and column ; 3. withm the permissive construction condition, exteriorly extended end - plate inclinedly placed is suggested to be applied firstly ; 4. when the rate of joint rigidity to beam rigidity, that is called, is less than 0. 1, the joints can be regarded as zero - rigidity joints ; on the other hand, if is more than 26, it is rigid connection joints
採用斜截面梁並在樑柱交接處局部加腋能明顯提高節點剛度和梁的抗彎能力； 3在允許的施工條件下，應優先採用外伸式端板斜放節點，有利於提高節點剛度，進而提高節點的抗彎能力； 4節點剛度與其連接構件的剛度比值0 . 1時，可按鉸接節點設計； 26時，可按剛接節點設計。The article adopts theories such as stress - focus to calculate the structures stress ; the assembly stress and the product conditions are the keystones of production ; whether expediently replace glass in the field and damnify framework are considered in servicing ; the new lifesaving way the request which proposed to the cabin design mainly considers the access cabin overall rigidity
應力分析主要採用應力集中等理論對結構進行計算；生產過程主要考慮裝配應力和生產條件；維護主要考慮是否利於外場更換玻璃和更換玻璃對框架的損傷；新救生方式對艙蓋設計提出的要求主要考慮艙蓋整體剛度。Based on the project imbrued especially by hunan province construction office, the study of this paper includes four parts as follows : the first part does some simplify on the characters of the rc material under high temperature. after transferring the rc section under fire to equivalent one at normal temperature based on the stiffness and intensity equivalent, the rc members under fire can be calculated as ones at normal temperature
主要研究內容如下: （ 1 ）基於剛度等效或強度等效原則，根據截面各點材料力學性能的退化，把受火鋼筋混凝土非均勻截面等效成常溫下的鋼筋混凝土截面，使得高溫下構件剛度和強度的計算可按常溫下的計算理論進行。With the fea software ansys and shell element which has high - precision, this dissertation optimize the size and thickness of skeleton section and seek steel pipe which still have strength and stiffness surplus under static state working condition : sinkage of 240mm of rear wheel. it ' s fully loaded in the state of static bending and torsion. after that, amelioration is achieved for even strength design
本課題運用ansys有限元分析軟體，並且使用精度較高的shell殼單元作為建模單元，在靜態條件下，通過對左右後輪下沉240mm的彎扭聯合工況的模擬分析，尋找出骨架中存在強度和剛度富裕的構件，使之達到輕量化改進的目的。Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account
依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型，對中國古代木結構中的典型構造如：柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究： （一）通過木柱石礎靜摩擦試驗，測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律； （二）通過單柱承載力試驗，測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量； （三）通過柱架低周反復荷載試驗，測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數； （四）通過斗?低周反復荷載試驗和受壓試驗，測定了古建築木構件與木構件間摩擦系數，斗?抗側移剛度，斗?恢復力特性及滯回曲線，斗?抗壓極限承載力及受力變形規律； （五）通過抬梁式殿堂間架模型振動臺試驗，測定了殿堂木構架結構自振周期，地震反應振形、阻尼特性及阻尼比；按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量，對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。Based on the research works of predecessor, the theory on the displacement of soil strata in deep foundation excavation construction and its application are studied in detail. by analysing the supervision, statistics from, the practical excavation engineering, soil rheology is thought to be the main reason of the displacement heavy of the soft soil and the destruction of the enclosure structure, in deep foundation excavation construction on condition of the high theriomorphic of enclosure structure and good seepage resitting
本文在已有研究成果的基礎上，對大面積軟土深基坑開挖時土層變位理論及應用進行了探討：依據現場監測數據，推導出開挖時軟土變形的經驗公式，分析了軟土深基開挖在圍護結構剛度大、基坑防滲效果好的條件下，基坑土層變位、圍護結構受力破壞發展的主要原因。An improved design is proposed for blasting demolition of this kind of brick - concrete structure with good overall performance and great stiffness. wherever possible, it is desirable to increase blasting height to arrange blasting cut on the back of building in direction of dumping the building blasted and to adjust the initiation order by using sectional blaster cap
認為對于整體性好、剛度大的磚混結構樓房的爆破拆除，在條件允許時應多處理幾層以增加爆高，在樓房的傾倒背面也應布置爆破切口，還應採用分段雷管來調整其起爆順序，這樣才能達到更好的效果。In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented
本文借鑒鋼框架節點構造，設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點，包括常規栓焊（ wfp ）節點、翼緣全螺栓連接（ bfp ）節點、雙t板連接（ dst ）節點以及加勁端板連接（ sep ）節點，進行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究，比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵，主要結論有： 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈，沒有或略有捏攏現象，耗能能力強； 2 、軸壓比對節點滯回曲線有顯著影響，全部節點都有顯著的剛度退化； 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下降段，具有良好的延性性能； 4 、從整體抗震性能上看，翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點，可在實際工程中加以推廣。Consideration of the additional axial, two angular deformations generated by the bond slipping in anchorage zones of joints, the assumption is made, that the plane section of either end of a member before bond slipping of reinforcements remains afler bond slipping of reinforcements. additional deformations * contribution to stif ? nesses of plastic sub - elements is formed from the boundary nonlinearity of plastic stabelements. the space bond slip relation can truly compute bond slip in anchorage zones, additional def ? rmatinns, and their contribution to the space nonlinearity of a niember, has used iii space nonlinear analysis of columns and spandrel beams in this dissertation
附加變形對塑性子區域的剛度貢獻，看作是塑性子區域的邊界非線性，建立了構件端部子區域基於構件邊界非線性的鋼筋與砼之間的空間粘結滑移關系，能較真實地求得錨固區的粘結滑移、附加變形以及他們對構件空間非線性性能的貢獻，並運用於柱、裙梁的空間非線性分析之中。To enhance floor rigidity, not means to increase floor thickness. with all the building shape and location of anti - shear member known, shear error can not be limited within 8 % compared floor rigid assumption to elastic assumption
在建築體形及抗側力構件的布置均已確定的前提下，單純靠增大樓板的厚度並不能把按剛彈性計算的剪力誤差值控制在8以內。The centrosymmetric structural dynamical systems with damping were studied. the nearest triple matrix of the centrosymmetric with satisfying characteristic equations was found to a given triple matrix ( mass 、 stiffness and damping matrices ). finally, numerical examples were given
3 .研究了阻尼中心對稱結構動力模型修正問題，對給定的三重矩陣（質量矩陣、剛度矩陣和阻尼矩陣） ，求滿足譜約束條件且具有中心對稱特性的「最接近」的三重矩陣，並給出數值算例。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Tensile compressive stiffness of member
構件抗拉抗壓剛度20Considering the concrete cracking, the bent rigidity was corrected in terms of code for design of concrete structures ( gb50010 - 2002 ). with the receivable deviation in engineering, the calculated deformations and the ultimate capacities calculated by the formula of code are shown to be in satisfying agreement with the experimental results
本文應用sap2000有限元程序對試驗模型進行了研究，分析了這種樓蓋結構的極限承載能力，並與實測承載力進行了對比，計算中考慮了開裂后各桿件剛度的修正。This paper bring out design method of inverse eigenvalue problem, which adapts to general structures with linear parameters, namely coefficients of all or partial elastic component and inertial component are treated as design parameters, for given some order natural frequency and corresponding vibrating mode, all of useable designing parameters will be got through solving a linear system of equations, thereby stiffness matrix and mass matrix of actual structure are constructed. this paper also discusses existence condition and unique of results
提出了適用於具有線性參數的一般結構的逆特徵值問題的設計方法，即以系統的全部或部分的彈性元件與慣性元件的系數為設計參數，對于預先給定的若干階固有頻率及相應振型，通過求解一線性方程組即可確定全部實際可行的設計變量，從而構造出實際結構的剛度矩陣和質量矩陣，並論證了解的存在性與唯一性。A hybrid conveying robot was proposed based on the characters of serial and parallel robot mechanism. it is not only of high stiffness and speed inherent in parallel robot mechanism but also of bigger workspace and working for several machine tools at the same time ; 2
結合串聯和並聯機構的特點，提出一種應用工件搬運的混聯機器人方案，該機構在具有並聯機構的剛度大、速度高的特點同時還具有串聯機構較大的工作空間優點； 2Therefore, the method of gluing steel plates improves not only the extreme capability of bending, but also enhances the crack resistance and the rigidity of beams, raises the capability of resistance to deflection
因此，粘鋼法加固不僅有效提高鋼筋混凝土梁的極限抗彎承載力，而且提高原梁的開裂彎矩及構件剛度，增加了原梁抵抗變形的能力。The rayleigh - ritz method is used to lead to analytical expressions for the stiffness and mass matrices and load vector as well as their sensitivities, which uses the simple polynomials to define assumed displacement functions, geometry and construction of wing structures. excluding some selected terms from the displacement functions or using stiff springs at the specified locations imposes boundary conditions. the accuracy of calculated results is improved by including transverse shear effects and using multiple sets of ritz functions in the analysis
它使用簡單多項式作為ritz基函數、定義翼面的幾何和結構參數，利用rayleigh - ritz方法導出翼面結構的剛度矩陣、質量矩陣和載荷向量及其靈敏度的解析表達式，通過排除位移函數中某些選定的項或在指定點使用約束彈簧施加各種邊界條件，考慮橫向剪切變形和使用多組ritz基函數改進分析的質量，使用等效蒙皮和等效夾芯技術提高計算效率。( 2 ) the general finite element method ’ s equations on the static elastic - plastic damage evaluation of structures are deduced by using the virtual work principle. then a damage index system suitable to all level damage evaluation is built based on the decline of the resistant stiffness of cross - section, the member ’ s stiffness and the whole stiffness of structures
（ 2 ）應用虛功原理推導了結構彈塑性損傷評估的一般有限元格式，並基於截面抗彎剛度、構件剛度、結構整體剛度的下降建立了適應各層次損傷評估的指標體系。Stiffness of structural member
構件剛度19分享友人