最大反應位移 的英文怎麼說

中文拼音 [zuìfǎnyīngwèi]
最大反應位移 英文
maximum response displacement
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  1. After that, antiplane surface motion features of the shallow alluvial valley of small depth - to - width ratio are investigated in details. the results indicate that surface displacement amplitudes of alluvial valley will not reduce when the alluvial valley become shallow. the maximum amplitudes will move to high frequency with depth - to - width ratio becoming small

    在此基礎上,對小深寬比的淺圓弧型沉積盆地出平面地表運動特徵做了較深入的研究,結果表明盆地地表幅值不會因變淺而減小,會隨著盆地深寬比的減小而向高頻動。
  2. ( 2 ) the lateral deformation is effectively limited by reinforced earth layers and the settlement becomes small. @ the lateral deformation is enlarged on soft foundations, and the settlement becomes large. @ the reinforced earth layers on soft foundations behaves extension. the response behaviors of high sand - gravel embankment are indicated as the following : ? he amplification factor of earthquake acceleration varies with reinforced earth structure. ( 2 ) the basic frequency of the original embankments in different reinforcement conditions is about 0. 76hz. ? the amplitude of dynamic deformation appears small and the dynamic stability is safe

    研究表明:加筋土體能有效地限制路堤的側向發展,減小沉降變形量;軟基路堤的側向,將顯著地增路堤的沉降變形;軟基上加筋土墊層中產生的拉;加筋砂礫土路堤在振動荷載作用下動變形較小,具有良好地動力穩定性。
  3. The analysis on unilateral, bilateral and lateral - torsional coupled seismic response of base - isolated structures with lead rubber bearings is carried out. the maximal displacement of the bearings is studied. the influence on lateral - torsional coupled seismic response of base - isolated structures due to the excentricity and uncoupled period ratio of the superstructure, and the excentricity of the isolation system is investigated

    對鉛芯疊層橡膠支座基礎隔震結構進行了單向及雙向地震對比分析,並研究了支座的確定;對結構進行了平?扭耦聯地震分析,研究上部結構的偏心距及非耦聯周期比、隔震層偏心距等因素對結構的平?扭耦聯地震的影響,並對結構平?扭耦聯地震的控制進行了探討。
  4. On the contrary, the degree of saturation plays an important role on p - wave propagation, if incidence is 90 degree. the amplification factor on surface related to the response of bedrock is the biggest if the media is one - phase media, and the factor is the smallest if the media is unsaturated media ( sr > = 90 % )

    P波從底邊界垂直入射時,飽和度對地表土層的有顯著的影響。就地表土層和加速度相對于基巖的放倍數來說,一般有這樣的規律:單相土的放倍數,欠飽和土的放倍數小,飽和土的放倍數居中。
  5. In this paper, the three level fortification criterion, two stage design method and the elastic response spectrum theory are adopted, and the program of nba ( the program of nonlinear - aseismic analysis for beam bridge ) is used to calculate. through gathering, analyzing and calculating a lot of bridge design materials, this paper induces a simple way to calculate the relative displacement of the beam and the pier, and then according to the current design method, it concludes a better design principle of the supporting length of the beams. at the same time the dynamics is adopted to put forward the design method of the carrying capacity and the lengthen of prestress wire ( steel bar ) falling - off prevention structures of highway bridges

    本論文採用三水準設防、兩階段設計方法、彈性譜計算理論,運用橋梁結構非線性地震響分析程序nba ( theprogramofnonlinear ? aseismicanalysisforbeambridge )進行計算;通過收集量的實橋設計資料,經分析計算,歸納總結出計算上下部結構相對的簡便計算方法;並綜合國內外的經驗值,提出梁的支承長度se的設計原則;同時運用動力學突加荷載的原理,推導分析了預力鋼絞線式(鋼棒連接式)落梁防止裝置設計承載力的計算方法和設計伸長量s _ f的取值;後本文通過實橋計算,說明了落梁防止系統設計的方法。
  6. Some stiffness matrices of special elements such as rubber bearings and components with field are derived from primary - secondary and inverse transform in structural matrix analysis. then, seismic response analytical models and non - isolated continuous rigid frame bridges are set up, while considering the interaction of soil - pile - structure and traveling wave effect simultaneously. finally, the seismic time history response of the two models is calculated by means of the finite element method, and the results show that the isolated bridge posses powerful earthquake resistance

    首先論述了公路跨徑橋梁的地震分析方法,其中包括樁-土-結構相互作用、行波效等因素對結構物的影響;其次,利用結構矩陣分析中的主從變換和逆步變換,推演了幾個特殊單元的剛度矩陣,包括橡膠隔震層單元和帶剛域構件單元;後,考慮樁-土-結構相互作用和行波效的結合,分別建立隔震與非隔震連續剛構橋地震分析模型,通過有限元法對兩種結構進行時程分析,結果表明:隔震層上部結構的地震加速度均明顯減小,這說明隔震的連續剛構橋具有很好的抗震能力。
  7. The concept of the equivalent mode and the modal participation coefficient is introduced when the regulation structures are studied. as to the vertical irregular structural systems, the inter - story capacity spectrum method is used and the strength reduction coefficient 77 is put forward when the capacity method is used to evaluate the performance of the torsional irregular structures

    對于扭轉不規則結構體系,引入與結構偏心矩小和結構平面整體尺寸有關的強度降低系數叮來考慮結構的扭轉效,選取結構的基底剪力和邊軸線的最大反應位移為參數,用能力譜方法進行抗震性能評估。
  8. If the inputted accelerations are velocity - zeroized and the damage value is calculated according to shear stress " extrema, as to 100 - meter - high earth dam, multi - point effect is not distinct ; but as to 240 - meter - high earth dam, in the part where permanent displacement and damage value is originally bigger the response is less tenser than that by one - point input, and in the part near basement the maximal shear stress and damage value is bigger, that is the multi - point effect in time domain

    若同時進行了多點地震動速度歸零化和採用基於極值的損傷值計算方法,對於100米高的土石壩,多點輸入與單點輸入十分接近。對於240米高的超型土石壩,壩體內永久和損傷值較的部多點輸入的量較小,這是多點輸入的特點或說多點效。另外,多點效也包括壩基部動剪力和損傷值偏這一效
  9. But this method still exists some shortcomings such as : while adopting displacement - control analysis method how to estimate the structural displacement requirement, how to select the horizontal load mode before and after the structure yields, how to considerate the high level mode that have a large effect while it is in the later position, how to considerate the elastic - plastic response spectra correctly. these problems remain to be solved. so this method needs to improved furtherly

    但該方法仍存在一些不足,如:分析時採用控制的方法時,如何預估結構的需求;結構屈服前後水平荷載的分佈模式如何選取;對結構影響顯著但比較靠後的高階振型如何考慮;如何正確的考慮結構的彈塑性譜等問題仍沒有得到很好的解決,因此該方法仍需進一步的改進。
  10. As the slipping isolator consumed most of the input energy of earthquake the structure with the base fps isolator has been reduced the peak value of acceleration and displacement between floors of the structure effectively

    由於滑動摩擦層耗散了絕部分的地震輸入能量,採用摩擦擺基底隔震措施以有效降低上部結構的加速度和層間
  11. Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result

    西安理工學碩士學論文在水平地震作用下,並考慮風荷載組合,分別對「矩形柱純框架結構」 、 「異型柱純框架結構」 、 「異型柱框一析架結構」及「異型柱框-剪結構」等四種結構體系,通過改變結構參數,運用空間有限元方法,進行地震作用計算。系統地分析研究「結構振型」 、 「振動周期」 、 「結構側向剛度」 、 「結構地震力」 、 「樓層地震剪力」 、 「結構側向」 、 「層間角」 ,以及「構件內力」 。結果表明:在等面積原則下,異型柱代換矩形柱后,結構剛度增,側向明顯減小,地震力略有增加,框架柱軸壓比增幅小於8 % ,結構整體抗震性能有所提高;當異型柱肢長肢厚比小於等於3 . 6時,結構有利於抗震;水平地震作用力與整體坐標夾角為0度時,結構地震作用效,屬結構設計的控制因素之一;異型柱框一析架結構採用「人」字斜撐,側向剛度於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構側向剛度小,構件內力增適中,是一種抗震性能優越的結構體系:在抗震設防烈度較高地區( 8度)和抗震不利的建築場地( m類場地) ,採用異型柱結構體系時,盡可能減輕結構自重,降低地震作用力;分別採用「振型分解譜」法和「時程分析」法進行地震作用計算,兩種方法所得結果基本一致。
  12. The largest story shear, the largest story displacement, the lateral structure deformation and story of acceleration of the two model ' s were presented under the action of weak earthquake and strong earthquake. it proceeded the statistical analysis of the largest story shears of different earthquake waves

    本文給出高層隔震建築在多遇地震和罕遇地震作用下層間剪力、層間、側變形以及加速度,並且對層間剪力進行了統計分析。
  13. 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

    以直接輸出速度饋作為閉環控制律,基於耗散能準則,建立了以主動桿配置置和控制系統增益為設計變量,具有動力響力響)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。
  14. 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、和內力的比較分析可知,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層間,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軸力較無次框架情況減少,而主框架柱的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。
  15. 5, such results as the list of the reaction force, deformation figure of the truss the contour of the nodes displacement, the contour of the element stress, and the contour of the node stress, are attained under the static force, the analysis of the finite element show that the maximum stress reaches the value of 285mpa, and then the frame body has the larger stress concentration in this position, if the welding around is not adopted

    通過ansys5 . 5軟體有限元分析,得出了各支座力和節點力列表,以及桁架在靜力作用下的變形圖、節點等值線圖、單元力等值線圖、節點力等值線圖。有限元分析計算表明,在不採用周邊焊的情況下力可達285mpa ,具有較力集中。
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