震動加速度 的英文怎麼說

中文拼音 [zhèndòngjiāsùdù]
震動加速度 英文
oscillatory acceleration
  • 震 : Ⅰ動詞1 （震動） quake; shake; shock; vibrate 2 （情緒過分激動） be greatly excited; be deeply ast...
  • 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
  • 震動 : shake; shock; vibrate; quake; chatter; tremulation; succussion; oscillation
  1. And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media

    以土力學模型為基礎，利用以土骨架和孔隙流體的四個位移為基本未知量的數值方法去模擬二維飽水介質中的地震波傳播，採用了顯式差分方法（中心差分法和newmark常平均加速度法結合）和透射邊界，通過比較利用幾種差分格式求解的加速度結果，發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用，分別編制了體波（ p波或sv波） 、 rayleigh面波輸入時求解兩相介質動力響應的兩個二維數值分析程序。
  2. Then using wilson - # method and linearity acceleration method to calculate the earthquake time - history reaction of a base isolation buildings. the results indicate that the benc - wen model and the bilinear model can couvade the restoring - force character of the isolation bearings exactly well

    然後，以實驗模型在振動臺上受激勵，獲得加速度頻響函數的方式來考察我們選取的模型擬合效果，選取一個適合瀝青隔震墊的恢復力模型。
  3. The variations of amplitude of earthquake acceleration, normalized response spectrum ( nrs ) and bi - normalized response spectrum ( bnrs ) with depth were evaluated

    結果表明，地震動加速度幅值隨深度的增加而減小，在淺層的變化速度較快。
  4. 7. horizontal earthquake acceleration is used in this paper for slope risk analysis ; the relationship between the safety factors under the earthquake effect and non - earthquake effect is obtained. the reliability index is expressed by the safety factor

    7 、將地震力效應以水平地震加速度的形式引進土坡的可靠度風險分析中，探求動力作用下土坡的動力安全系數與相應條件下的靜力安全系數的關系，並以安全系數來表徵土坡的可靠度。
  5. The precious method to simulate earthquake accelerations is not perfect because the points on the interface still move according to the simulated acceleration when the points " motion ends, which is obviously a paradox. if the points " velocity is not zeroized, soil ' s damage value based on shear stress ' s peaks or extrema is overestimated in multi - point input analysis. the new method ' s rationality is analyzed

    以往人工合成的地震波在地震結束時即地震加速度恆為零時速度不為零，這與合成地震動是「模擬輸入點從靜止到運動再到靜止的運動過程」這一要求不一致，同時導致時域內多點輸入分析時差動力過大以至算出的損傷值過大，於是本文提出了簡易的地震動速度歸零化方法並分析了其合理性。
  6. Compared the results of fea and the data of experiment, we can analyse that the distributing of the seismic stress of polymer - geogrid reinforced material is similar to that of the static stress, but the stress values of them is different ; the seismic similar friction coefficient between the earth and reinforced material fall with the increasing of earthquake acceleration, model acceleration respond along the height of the model, etc. thirdly, according to the comparison and analysis of the model seismic fea results and model experiment data, we can find the polymer - geogrid reinforced earth seismic fea is reasonable, which is composed by earth element, contact element and reinforced material element

    通過對比有限元計算結果和試驗數據，分析得出塑料土工格柵筋材的最大動拉應力的分佈與靜拉應力的分佈沿筋材的埋深大致相同，只是應力的值大小不同；地震作用下土筋間的動似摩擦系數是隨地震加速度的增加而減小；模型沿墻高方向的加速度響應等。接著，根據模型動力有限元時程分析結果和模型試驗數據的比較分析，得出由土體單元、接觸單元和筋材單元組合的塑料土工格柵加筋土非線性動力有限元分析模式的合理性。
  7. Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

    （ 2 ）利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究，通過分析正弦荷載作用下的試驗資料，驗證了粉土的孔隙水壓力增長模式的合理性；從微分方程推導了基於土體振動臺模型試驗的相似律，並從模型實體、孔壓時程曲線和相似律等方面做出了分析，得出了如下結論：在小型振動臺試驗中，模型箱中的粉土都發生了液化，液化的時刻和輸入加速度幅值有關，而對頻率的變化不太敏感；粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化；孔壓的增長曲線形狀與施加的荷載有關：當施加荷載為由小到大的形式時，曲線形狀為上凹的曲線；當施加荷載為等幅的正弦荷載或荷載幅值由大到小時，曲線形狀為上凸的曲線，且逐漸趨于穩定。
  8. Liquid sloshing in the tank caused by the horizontal acceleration that didn ' t be discussed in other type of structures

    儲槽內液體受水平加速度時會造成晃動波，在儲槽耐震設計中有加以分析，並考慮作用在槽壁的液體動態壓力。
  9. The results show that minor and major earthquakes calculated from moderate earthquake have not consisted probability and the ratios of bedrock peak accelerations under different exceeding probabilities are closely correlative with earthquake environments

    結果表明，由中震地震動參數換算得到的小震、大震地震動參數不具備一致概率水平，不同概率水準下基巖峰值加速度的比值與地震環境密切相關。
  10. According to the need of design code for anti - seismic of engineering constructure, the bedrock peak acceleration rate and response spectrum of exceeding probability of 63 %, 10 % and 2 % are given respectively and seismic motion parameters are also calculated, which will provide the evidences for anti - seismic design of this electric power equipment station

    按工程建築物抗震設計規范要求，分別給出了50年63 % 、 10 %和2 %超越概率水平的基巖峰值加速度及反應譜，計算出地震動參數，為該電力設備站建設提供了抗震設計依據。
  11. First of all, it determines the scope in which earthquake might be genetated, the potential seismic sources areas and the upper limit of the earthquake magnitude through the analysis, research and evaluation of the area seismic geological condition of the workzone. secondly, according tothe research of the seismic activity, it also determines the seismic activity coefficients for per potential seismic sources areas, and the delay relation of seismic intensity and seismic accelaration, and then three different seismic intenstities and dynamic strength of bedroch under different probability are given. through the analysis and caculation of earthquake hazard with the analytic approach of probability

    首先，對工作區的區域地震地質環境進行了分析、研究、評價，確定了萊蕪市可能發生地震的范圍、潛在震源及其震級上限等。其次，根據對地震活動性的認識，確定了各潛在震源區的地震活動性參數及萊蕪市地震烈度和地震加速度衰減關系，在此基礎上用概率分析法對萊蕪市地震危險性進行了分析計算，得到了萊蕪市在三種不同概率水平下的地震烈度和基巖地震動強度。
  12. 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。
  13. 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。
  14. The work of this dissertation is mainly as follows : 1. systemically introduce and evaluate the advance of studies on damage models of reinforced concrete on material, member and structure level ; 2. by inputing earthquake wave for member model, analyse dissipating energy process and development process of structure damage and discuss relation between structure damage and pga, time of earthquake motion

    本文的主要內容如下： 1 ）系統地總結當前鋼筋混凝土損傷理論在基於材料、構件和結構層次的研究進展及其評價； 2 ）通過桿系模型對結構輸入實際地震動，分析結構在地震作用下能量耗散過程以及結構損傷的發展過程，並討論結構損傷和地震動三要素（主要是加速度和持時）的關系。
  15. 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。
  16. To compare with the results of the testing, acceleration time - histories outputted from table - board of vibration table

    為了與試驗結果進行比較，有限元計算時採用振動臺臺面輸出加速度時程作為計算模型輸人地震動加速度時程。
  17. The pseudo - dynamic test of 1 / 3 - scale model six - story building assembled with hollow shear wall with seams. the internal forces, the deformation and the failure mechansm of the building under earthquake are studied. the rules of frequency, damping and response spectrum are studied. the characters of earthquake response such as structure displacement, interstory drift, action of earthquake, the amplificatory coefficient of acceleration and the rule of strain are discussed. at last, this paper presented the design method of this structure based on the aseismic style and put forward the construction

    進行了帶縫空心剪力墻結構六層樓房的1 3模型的擬動力試驗，研究了結構在水平地震作用下的受力特點、變形特徵、破壞形態等力學性能；得到了結構在不同受力階段的頻率、阻尼、反應譜等動力特性變化規律；討論了結構各樓層的水平位移、層間位移、地震力、加速度放大系數及構件應力分佈規律等結構地震反應特徵；指出了結構的抗震類型、薄弱層及薄弱部位；提出了多層帶縫空心剪力墻結構的第一階段設計方法和相應構造措施。
  18. The steady of grottoes attacked by earthquake is analyzed with the engineering soft named adina, in order to show where the weak parts of grottoes are and time - history curves of the horizontal displacement of the easily damaged nodes and time - history curves of first and third principal stress of the easily damaged elements

    （ 3 ）以大型adina有限元分析軟體為基礎，編制了預應力錨索材料的非線性有限元計算程序模塊，研究石窟在地震作用下的穩定性問題。選取能代表石窟整體結構的三個不同剖面作為有限元計算模型，並採用不同工程特性的地震動加速度時程作為荷載輸入。
  19. Through analyzing a lot of tested data of seismic waves from deep - hole blastings at a different angle, the changing rules and influence factors of such main parameters as frequency, amplitude and lasting - time of blasting seismic waves propagating in a rock medium are obtained, and the empiral formulas for calculating the amplitude of blasting seismic wave acceleration are fitted out by binary regression

    通過從不同角度對大量的深孔爆破地震動測試數據的分析，得到了巖石中爆破地震波傳播的頻率、幅值和持續時間等主要參數的變化規律以及它們的影響因素，並通過二元回歸法，擬合出計算爆破地震波加速度幅值的經驗公式。
  20. In this paper, the effect of velocity pulse in near field ground motions is emphasized and the influence of velocity pulse to acceleration velocity and displacement in earthquake ground motions is analyzed by using simple impact modal

    摘要著重介紹了幾次地震中出現的近場地震動的速度脈沖特性，並利用簡化沖擊模型來分析速度脈沖效應對地震動加速度、速度、位移的影響。
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