速度反應 的英文怎麼說

中文拼音 [sùdùfǎnyīng]
速度反應 英文
velocity response
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 反 : Ⅰ名詞1 （方向相背） reverse side 2 （造反） rebellion 3 （指反革命、反動派） counterrevolutionari...
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. （快慢的程度） speed; rate; pace; tempo
  1. The records we used are mainly from three parts : strong ground motion data before 1992 ' s ; data from scec ( south california earthquake catalog ) ; nsmp ( national strong motion project ). after we developed the attenuation laws, we analysis the attenuation characteristics for the pga and sa with different damping ratio. here we mainly concentrate on the effect of the distance and the magnitude

    在回歸出中小地震的衰減關系后，本文對峰值加速度（水平向與垂向） 、加速度反應譜（阻尼比分別為0 . 005 、 0 . 02 、 0 . 05 、 0 . 1 、 0 . 2 ）的衰減特性進行了分析，影響因素主要考慮了震級與距離這兩個方面。
  2. On the basis of theoretic analysis and numeric calculation, the author verifies that only is the ratio of the fundamental period of the structure to the disturbance period beyond 1. 4, it ' s possible to achieve reductions in both the relative displacement and the absolute acceleration responses

    作者在此基礎上，從理論分析和數值計算兩方面證明了粘性變阻尼控制僅在結構周期與激勵主周期的比值大於1 4時才有可能同時減小結構的位移反應峰值和加速度反應峰值。
  3. The responce of displacement and acceleration of saturated soil is almost the same as that of one - phase soil, less than that of unsaturated soil

    飽和土的位移和加速度反應與單相土的位移和加速度反應相近，欠飽和土的位移和加速度反應大於單相土的位移和加速度反應。
  4. The contrast is higher, the amount of reflect becomes more ; and the sedimet is deeper, the shaking duration becomes longer. so. as the contrast higher and the depth deeper, more waves converge on the basin, more waves interfere with each other, the duration is longer, the amplitude of displacement or accelerate is larger, and the fourier responce spectra contain more components

    所以，基巖與沉積層的剪切波速比越大，沉積層的深度越大，波就越容易聚集在盆地中，中國地震局工程力學研究所碩士論文波與波之間的干涉機會就越多，盆地的振動時間就越長，沉積層的位移和加速度反應就越大，波的頻譜成分就越豐富。
  5. T he t esting d ata show that under the designed vibration waves, the lead alloy dampers are well functioning, not only reducing the strain at the ankle of bushing, but limiting significantly the relative displacement and absolute acceleration at the top of bushing

    試驗結果表明：在試驗設計確定的地震動輸入下，鉛合金減震器的減震效果良好，不僅降低了斷路器地震破壞指標? ?瓷柱根部應變，而且沒有顯著增加斷路器頂部的位移和加速度反應。
  6. Due to the vibration feedback from super structure, the motion of foundation is different from that of free field

    上部結構柱頂加速度反應主要由基礎轉動引起的擺動分量組成，平動分量次之，而彈性變形分量很小。
  7. 754 horizontal - component digital broad - band records in western north america are processed. the acceleration response spectra are calculated and used as part of the database. the response spectrum values are estimated by the earthquake magnitude definition and are used as another part of the database

    將美國西部地區作為參考地區，對美國南加州地區的數字寬頻帶記錄進行了搜集與處理後作為觀測資料，共754條水平向記錄，與利用震級定義所估計的反應譜值一起，用統計回歸的方法建立美國西部長周期加速度反應譜衰減關系。
  8. In addition, effects of several factors such as local site conditions, focal mechanism, epicentral distance and seismic magnitude on these parameters are discussed, and several significative results and conclusions are obtained. in all records there are about 1 / 3 vertical ground motion ’ s peak acceleration bigger than 2 / 3 of the corresponding horizontal one, so the action of vertical ground motion should not to be underestimated. vertical design response spectrum equals that the horizontal design response spectra times 65 % is probably unsafe when period is short, and suggest adopting different coefficients when at different periods

    本文基於對大量歐洲強震記錄的研究，分析了地震動豎向與水平向分量在峰值加速度、反應譜值、頻譜周期等參數方面的差異，以及這些參數與場地、震源機制、震級和震中距的關系，得到了以下有意義的結果和結論:在本文分析的地震記錄中大約1 / 3的記錄加速度峰值比大於2 / 3 ，豎向地震動分量的作用不可低估;在短周期，豎向地震動影響系數的最大值僅取為水平向地震動影響系數最大值的65 %是偏於不安全的，可以考慮按周期分段採用不同的折減系數;我國現行抗震規范中設計反應譜特徵周期的取值偏低，可能是偏於不安全的;豎向與水平向地震動分量卓越周期的比值在0 . 7 - 0 . 9之間，豎向設計反應譜的特徵周期應有單獨規定。
  9. 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

    首先論述了公路大跨徑橋梁的地震反應分析方法，其中包括樁-土-結構相互作用、行波效應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；最後，考慮樁-土-結構相互作用和行波效應的結合，分別建立隔震與非隔震連續剛構橋地震反應分析模型，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反應、位移反應均明顯減小，這說明隔震的連續剛構橋具有很好的抗震能力。
  10. Base isolation technology is one of the most efficient method for seisin resistant. by putting the isolation system between the top - structure and the base, it can enhance the damp of the building, prolong the periods, decrease acceleration response when the building was under earthquake

    基礎隔震是新型抗震主要手段之一，它是在建築物與其基礎之間，墊上隔震系統，來延長結構周期，給予結構適當的阻尼，使結構的加速度反應大大減弱，讓結構的大位移主要由結構物底部與基礎之間的隔震系統提供。
  11. This paper relates to some problems about the determination of design ground motion parameters, which include the choice of the attenuation relationship of rock horizontal acceleration response spectrum, the impact of focal depth to rock peak horizontal acceleration and rock response spectrum curves, the choice of intensity envelops function and random input phase, the choice of soil nonlinearity and shear wave velocity, scale of design ground motion response spectrum etc. in the researches of relative aspect, based on a typical section plane of the engineering site, influence of the change of some parameters on design ground motion parameters and the existing errors and corresponding rules are studied by using the method of one dimension model of equivalent linearization

    摘要研究了確定設計地震動參數中涉及的若干問題，其中包括基巖水平加速度反應譜衰減關系的選擇、震源深度對基巖水平加速度峰值及基巖反應譜曲線的影響、強度包絡線函數及輸入隨機相位的選擇、土體非線性特性參數和土層剪切波速值的選擇、設計地震動反應譜的標定等問題。
  12. Such a semiacitve control system is not only with a broad frequency range for vibration suppression but also apt to implement. numerical results show that using the discrete control can generally decrease the displacement response but increase the acceleration response, whereas using the co

    同時通過數值計算發現，變剛度控制如果採用離散控制的方法，盡管可以有效抑制結構的位移反應，但是大多數情況下對于加速度反應則是不利的；相反，連續控制則顯得比較靈活，可以有效克服這種缺陷。
  13. The variety of pore water pressure with time during earthquake and the distribution of pore water pressure after earthquake were investigated in the dynamic analysis, and the acceleration action process of partial nodes and the shear stress variety process of partial elements were also obtained

    動力分析中詳細給出了壩體在地震期間孔壓變化過程及震后的孔壓分佈，並給出了部分結點的加速度反應時程及部分單元的剪應力時程。
  14. With the use of one - dimension equivalent - linear wave motion method which is wildly used at present in the analysis of earthquake site response, the platform values and the characteristic periods of ground surface acceleration response spectra of different profiles were calculated and analyzed under different ground motion inputs

    利用目前工程上常用的一維等效線性化波動方法計算分析在不同地震動輸入下，不同場地類別、三種土層結構的地表加速度反應譜的特徵周期和平臺值。
  15. It is shown by the two - stories frame model shake - table test that the contrast two response of acceleration based on wavelet and experiment draws on such conclusion : littlewood - paley wavelet does not agree with the test, so it is not suitable for structural seismic response, because structural acceleration response is too small. the wavelet transform result of acceleration response based on meyer wavelet, harmonic wavelet and odd exponent wavelet agree with the test, thus they can be used to analyze structural seismic response. the analysis of earthquake ground motion energy and structural energy response based on these three wavelets ( littlewood - paley wavelet, meyer wavelet, harmonic wavelet ) shows that we can calculate earthquake ground motion energy by the record of acceleration, because the wavelet coefficient includes time - domain energy and frequency - domain energy

    通過對二層框架模型進行振動臺試驗研究說明：從小波變換得到的加速度反應和模型上的第一層及第二層的試驗測得的加速度比較得出的結論是， littlewood ? paley小波不適合於用來作結構地震反應分析，因為在此小波下的結構加速度反應太小，和實驗情況不符； meyer小波、諧波小波、單邊指數小波這三種小波從理論上得到的加速度反應同實驗測得的加速度過程比較吻合，因此從試驗上證明用meyer小波、諧波小波和單邊指數小波來作結構地震反應分析是比較合適的。
  16. And the effects of liquefaction sand soil on surface ground motion are investigated for considering the thickness 、 depth 、 width of the liquefied sand layer and the input earthquake wave

    主要分析了飽和液化層厚度、飽和液化層埋深、土性參數和輸入地震波等因素對地面加速度反應譜的影響。
  17. 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最大層間剪力、層間位移、側移變形以及加速度反應，並且對最大層間剪力進行了統計分析。
  18. A modified two - dimensional dynamic effective stress method is established and also the corresponding program presented in the paper. and the method is used for analyzing the effects of liquefaction of sand soil zone on surface ground motion and the response spectrum of acceleration 、 velocity and displacement

    本文在現有研究的基礎上，建立了一種土體二維有效應力動力分析方法並編制了相應程序，並以此計算分析了飽和液化砂層對地表加速度反應譜、速度反應譜、位移反應譜的影響。
  19. The goal of this paper is to develop the long period attenuation relationships for horizontal acceleration response spectrum of rock site in china

    本文建立了我國水平向基巖長周期加速度反應譜衰減關系。
  20. Then the transform method and the digital broad - band data from china is applied to obtain the wide period attenuation relationships for horizontal acceleration response spectra of eastern china and western china in rock sites ( c, = 5 % )

    最後用常規的轉換方法，並加入我國158條水平向寬頻帶數字記錄，建立了中國東部和西部地區的水平向基巖寬周期（ t = 0 . 04 - 20s ， = 5 ）加速度反應譜衰減關系。
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