moment of displacement 中文意思是什麼

moment of displacement 解釋
排水量力矩
  • moment : n 1 一轉眼功夫 片刻 瞬息 剎那；時刻。2 時機 機會；場合；危機；當前。3 重要 緊要；【哲學】要素 契...
  • of : OF ＝Old French 古法語。
  • displacement : n 1 轉位，移動；取代，置換；（人的）流離失所。2 撤換，免職。3 【機械工程】（活塞）排氣量；【航海...
  1. 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。
  2. 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。
  3. First, using strip - partitoning method and programming in matlab language, the numerical caculations of the relation curve between moment and curvature are done for the beams strengthened with non - prestressed and pretressed cfrp sheets, base on the assumption of plane section, non - bonding slip and non - peeled destroy. secondly, nolinear finite elemeant analysis by ansys are done for the beams strengthened with prestressed cfrp sheets base on the three assumptions before mentioned, the analysis are all done for the relation curve between load and displacement, the distribution of material stress, the distribution of cracks. lastly, calculation formula of flexural capacity and deflection are proposed

    ）的全過程關系曲線。其次基於上面的三個假定，選擇合理的本構關系，利用ansys通用有限元分析程序對預應力碳纖維布加固梁進行非線性有限元分析，分析了加固梁的荷載-撓度關系、材料的應力情況、裂縫的分佈情況等。最後提出了承載力計算公式和正常使用狀態下撓度計算公式。
  4. Displacement polarization is directly proportional to loading electric field ; turning - direction polarization results from the average of domain ' s inherent electric moment in the polarization direction by the weight of boltzmann energy

    位移極化正比于外加電場；將電疇的固有電矩在極化方向按玻爾茲曼能量取加權平均得到轉向極化。
  5. These geometric nonlinear behaviors such as the sag of inclined cables caused by their own dead weight, the interaction of large bending moment and axial forces in girders and towers, and the large displacement effects are considered during calculation. newton - raphson method and the displacement convergence norm are used to approach the solution iteratively

    計算過程中計及了拉索的垂度效應，彎矩和軸力對主梁和主塔的組合效應以及結構的大變形效應等幾何非線性影響因素，採用newton - raphson方法和位移收斂準則進行迭代求解。
  6. The parameters in the study included the fire duration time, the axial load level, the section type and the strengthen method. the ultimate lateral strength, flexural stiffness, dissipated energy and ductility of the columns were compared and analyzed. ( 2 ) based on the stress - strain relations for steel and concrete after high temperature and the temperature field in the structural member, fiber - based model was developed to calculate the hysteretic moment ( m ) versus curvature ( ) relations and the lateral load ( p ) versus lateral displacement ( ? )

    （ 2 ）在確定高溫后鋼材和混凝土在往復荷載作用下的應力-應變關系以及構件截面溫度場的基礎上，考慮力-溫度-時間作用路徑，建立了火災后鋼管混凝土壓彎構件滯回性能的理論分析模型，對火災后鋼管混凝土構件的彎矩-曲率（ m - ） 、荷載-變形（ p - ）滯回關系曲線進行了分析，計算結果與實驗結果總體上吻合較好。
  7. ( 4 ) influences of parameters on the behavior of the moment ( m ) versus curvature ( ) response, and the lateral load ( p ) versus lateral displacement ( ? ) relationship such as fire duration time, axial load level, slenderness ratio, steel ratio, steel yielded strength and concrete

    （ 4 ）對影響彎矩-曲率（ m - ） 、荷載-變形（ p - ）滯回曲線骨架線的各種因素，如受火時間、軸壓比、長細比、含鋼率、鋼材及混凝土強度等參數進行了分析。
  8. Based on the fiber element method, parametric analysis was performed on the behaviors of moment - curvature and lateral load - lateral displacement relationships for the composite beam - columns. the selected parameters were the axial load level, slenderness ratio, steel ratio, strength of the materials, etc. finally, simplified models for the moment - curvature and the lateral load - lateral displacement hysteretic relationships, as well as simplified formula for calculating ductility coefficient were suggested

    用纖維模型法系統地分析了軸壓比、長細比、截面含鋼率、鋼材和混凝土強度等參數對m -和p -滯回曲線骨架線的影響規律，提出了壓彎構件m - 、 p -滯回關系模型及延性系數的確定方法。
  9. The load - displacement curves and moment - curvature curves that calculated from the full - course analysis program are in accordance with the resuits of experimental especially in prime period of ioad presents the program is avaiiable

    試驗和全過程分析得到的荷載-撓度曲線對比表明：在加載前期兩者的曲線吻合較好，證明全過程分析能反映碳纖維加固梁的受力特點及程序的正確性。
  10. The calculation results indicate that for steel frame in semi - rigid joints cases, the top story deflection, the displacement between two stories, the moment at the center of a beam and the initial end moment at column is larger, nevertheless the end moment at beam and the shear force between two stories

    分析表明：半剛接和剛接相比會使框架結構的柱頂側移、層間位移、跨中彎矩、柱腳某些部位彎矩增大，而梁端彎矩和層間剪力減小。
  11. The main contents are as follows : firstly, the structure and characteristics of aqueduct - stayed are summarized, based on which the structure analysis is presented ; planar structural models are established to simplify the analysis of internal force and displacement of aqueduct - stayed based on moment - distribution theory, the formula to calculate the force of cross section of aqueduct - stayed is derived. the finite element method for framed structures is used to analyze the aqueduct body. and corresponding computer programs are developed

    為便於計算，在計算斜拉渡槽的內力及變形時，將空間結構簡化為平面結構，分別對槽身橫斷面及槽身縱向結陶進行計算：以力矩分配法為基礎推導了槽身橫斷面內力的計算公式；運用直接剛度法，編制了桿系有限元程序進行槽身縱向結構計算，並簡單介紹與斜拉渡槽相關的剛度法知識以及程序的流程圖。
  12. According to the principle of moment balance, the weight value and position of the center of gravity of the balances, the displacement value of the center of gravity of the freight loaded, and the amount of reducing the off - gauge grades are analysed and deduced

    通過在貨物外形輪廓關于中心線不對稱的3種方式下，依據力矩平衡原理進行分析、推導，確定出配重物的重量和重心位置、貨物裝載中心的位移值及降低貨物超限等級的程度。
  13. Magnetic force pump magnet couplings " universal energy equation is educed by analyzing of demagnetization curve, ways of reverting force calculating are introduced according to the equation when inside magnet rotor have axial direction and radial displacement, circumferential moment of magnetic force has been given, magnetic force pump alnico ' s axial direction length, circumferential length, radial thickness amounts are summarized with the analyses of experiment results

    利用退磁曲線法，推導磁力泵聯軸器能量通用公式，導出內磁轉子在軸向偏移和徑向偏置下產生的回復力計算方法，周向傳動轉矩計算方法，結合試驗結果，總結推薦磁力泵磁鋼軸向長度、周向長度、徑向厚度、磁極數設計方法。
  14. Moment - curvature relationship skeleton curves and load - displacement relationship skeleton curves were also calculated by finite element method. the predicted curves are in good agreement with those of tests

    利用abaqus建模對構件的荷載-位移骨架曲線進行了計算，兩種計算方法都得到了試驗結果的驗證。
  15. Investigations after earthquakes showed that the failure of pile foundations occurred for its insufficient design moment or its excessive lateral displacement, which made the superstructure out of service

    震后調查顯示樁基或因設計彎矩不足而產生破壞，或因其過大的橫向位移影響上部結構的繼續使用。
  16. Finally, the torsional vibration of a rigid disk resting on the saturated grounds under the general torque is primarily discussed by the means of laplace - hankel transform. the general solutions of the torsional moment, stress and displacement are given and the numerical solutions in special cases are also obtained

    最後，本文還採用laplace - hankel聯合變換技術初步分析了在一般動扭矩作用下飽和地基上剛性圓板的扭轉振動問題，給出了扭矩、應力和位移的通解，並給出了特例情況下的數值解。
  17. C ompared the results of structural period, displacement and internal forces of mode 1 with mode 3, we can know that the hypo - frame can increase the lateral stiffness of the mega steel - frame structures, decrease lateral - deformation of the structures, especially decrease the maximum inter - storey displacement obviously, and get the internal forces and deformation of the whole structure more uniform. from the analysis results, it can be found that the maximum axial force gets less with hypo - frame than without it, and the maximum shear force and bending moment get more with hypo - frame than without it. thus it can be seen that the mainframe can be an independent structure system by itself, but the cooperation of main and hypo frame should be considered for conducting the entire analysis and design, otherwise the mega structure can be unsafe, in addition, from the comparing analysis, it can be found that the shear force and bending moment of inside - row columns are increased much more than those of outside - row ones in a mega column

    通過3個算例方案1和方案3結構周期、位移和內力反應的比較分析可知，次框架可以進一步增加巨型鋼框架結構的抗側剛度，減少結構側向變形，特別是明顯減少了結構最大層間位移，使整個結構的內力與變形分佈更為均勻；次框架的加入使主框架柱最大軸力較無次框架情況減少，而主框架柱的最大剪力和彎矩較無次框架情況都有所增加，由此可知，雖然主框架本身可以成為獨立的結構體系，但在分析設計時，還應該考慮主、次框架協同工作，進行整體分析、整體設計，否則結構會偏於不安全。
  18. Firstly, behavior and destroying mechanism of pile under inclined loads are systematically discussed based on summary of research on pile under inclined loads home and abroad, and then a power series solution for displacement and stress calculation of pile under inclined loads in layered soils is presented. based on the solution, the calculation of soil reaction force at the flank and bottom of piles, vertical and horizontal displacement of piles and maximal bending moment of piles is concluded

    本文首先系統地回顧了國內外傾斜荷載樁研究工作，在此基礎上詳細討論了傾斜荷載下基樁的受力特性和破壞機理，從而導出了處于成層地基中的傾斜荷載樁的內力及位移分析的冪級數解，並以冪級數解的分析結果進一步導出了樁側及樁端土體抗力、樁身豎向及水平位移、樁身最大彎矩的計算方法。
  19. The numerical results show that the lateral ground displacement is one of factors that cause pile failures in liquefied ground. at the soft - hard interface, pile may overbear the ultimate moment which leads to bending and shearing failures. therefore, except the effect of large inertial loads from superstructure, the influence of the lateral ground displacement on pile foundation cannot be neglected in a seismic design of pile foundation in lateral spreading ground

    計算結果表明地基的側向位移是與液化有關的樁基震害的主要原因之一，在軟硬交界處樁可能承受了超出樁本身極限抗彎能力的彎矩，容易發生彎剪破壞，在有液化側擴地基中樁基的設計不能僅考慮上部結構震動的影響，地基的水平側向位移對樁基的影響不容忽視。
  20. Now, the reported fgs can measure many physical parameters including temperature, strain, stress, displacement, pressure, torsional angle, twist moment ( moment of torque ), accelerated velocity, current, voltage, magnetic field, frequency, density, coefficient of thermal expansion, trembling etc. some of the fiber grating sensing systems have been put into practical use

    目前，已報道的光纖光柵傳感器可以檢測的物理量有:溫度、應變、壓力、位移、壓強、扭角、扭矩（扭應力） 、加速度、電流、電壓、磁場、頻率、濃度、熱膨脹系數、振動等，其中一部分光纖光柵傳感系統已經實際應用。
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