峰值加速度 的英文怎麼說

中文拼音 [fēngzhíjiāsùdù]
峰值加速度 英文
peak acceleration
  • 峰 : Ⅰ名詞1. （山的突出的尖頂） peak; summit 2. （形狀像山峰的事物） peak-like thing Ⅱ量詞（用於駱駝）
  • 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
  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. The elastic and elastic - plastic calculation models of slope earthquake response are erected by the commerce software - - - flac. the distribute regularity of peak

    建立邊坡彈性和彈塑性模型，分析了邊坡內部質點沿高度方向的加速度峰值放大倍數分佈規律。
  3. 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。
  4. 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。
  5. 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。
  6. Abstract : based on the results obtained from seismic safety evaluation of 128 engineerng sites in china, statistics and analysis of relevant intensities with differient probability levels and peak acceleration are made to provide parameters of probability levels of earthquake resistance in the seismic design code

    文摘:以全國范圍內128項工程場地地震安全性評價結果為基礎，對不同概率水平相應的地震烈度和加速度峰值進行統計分析，為合理確定抗震設計規范中設防地震的概率水平提供了依據。
  7. ( 三 ) under the dynamic load of the explosion, the numeric analysis has been done and achieve the rule as follow : ( 1 ) when the frequency of vibration is 0. 3hz, the acceleration of the slopes top gets the maximum ; so 0. 3hz is believed the natural frequency of the slope as a whole ; ( 2 ) the vibration of explosion can been magnified because of the condition of the landform, when the relative altitude is up to 45m, the acceleration of horizon gets the maximum ; when the relative altitude is up to 100m, the absolute value of acceleration and the deformation of horizon is larger than that in the bottom of the slope ; ( 3 ) in the period of forced vibration, at the top of the slope, the acceleration of horizon become larger and larger ; at the middle part of the slope, it becomes smaller ; ( 4 ) when the explosion velocity of is much little, the shallow part destruction is the primary deformation of the slope

    （三）採用模態疊加法針對爆破動力作用，進行邊坡的動力響應分析，得出了以下結論： （ 1 ）振動頻率為0 . 3hz時，坡面頂部水平向加速度峰值最大；綜合考慮，可認為該邊坡的自振頻率為0 . 3hz左右； （ 2 ）地形對爆破地振動存在放大作用，研究剖面的坡面，水平向加速度及位移在地形相對高差45米左右最大，而後隨相對高差的增高而減小，相對高差為100米時，水平向位移及加速度絕對值均大於坡腳； （ 3 ）強迫振動段，水平向加速度值隨時間變化的規律為：坡頂節點總的變化趨勢是越來越大，而坡體中部節點的變化趨勢是越來越小； （ 4 ）當爆破振速較小時，變形破壞的形式表現為坡頂表面滑塌型。
  8. The results demonstrated that the weft tension and its amplitude can be effectively reduced and positively controlled to meet the requirements of weaving provided that suitable weft storage feed unit, weft feeding position and tension device are selected, modified trapezoid acceleration motion with smaller peak acceleration as the law of weft insertion motion is adopted, and the route of weft yarn motion is optimized

    結果表明：通過選用合適的緯紗儲緯器、張力器和緯紗供緯位置，選用加速度峰值較小的改進型梯形加速度引緯運動規律，優化緯紗運動路徑，可有效地降低緯紗的張力值和張力變化的幅度，達到對緯紗張力進行積極控制的目的，滿足織造工藝的要求。
  9. 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。
  10. Effect of soft strata on peak acceleration of ground motion

    軟弱夾層對地表加速度峰值的影響
  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. A model used pga, pgv and pgd for calibrating seismic response spectrum was introduced

    介紹了用地面峰值加速度（ pga ） 、峰值速度（ pgv ）和峰值位移（ pgd ）三個參數標定設計地震反應譜的模型。
  13. 2. studying the effects of soft layer and hard layer on seismic response. we further investigate the behavior of both the soft layers and the hard layers with the shear wave speed less than 500m / s effecting on the maximum acceleration and the shape of response spectrum, respectively

    本文基於已有研究結果進一步分析了軟夾層對場地地震動譜形狀和峰值加速度的影響，以及剪切波速小於500m s的硬夾層對場地地震動譜形狀和峰值加速度的影響，統計分析了軟、硬夾層對場地地震反應影響的特點規律和程度。
  14. Some of the key factors which could influence the characteristics of strong ground motion have been discussed, and the resultant peak ground acceleration ( pga ) distribution and the peak ground velocity ( pgv ) distribution around beijing area also have been made as well

    通過分析影響強地面運動的幾個關鍵因素，給出了北京地區強地面運動峰值加速度和速度分佈特徵，比較了合成強地面運動記錄與通過衰減關系計算所得的結果。
  15. The outcomes indicate that under the effect of velocity pulse the increment of pgd ( peak ground displacement ) is greater than that of pgv ( peak ground velocity ), which has less influence on pga ( peak ground acceleration )

    結果表明：在速度脈沖效應下，地震動峰值位移增大值大於峰值速度增大值，而峰值加速度所受影響最小。
  16. Structure will be a kind of ductile structure with advanced seismic behavior. based on the tests of 25 elements of hollow shear wall r. c. structure and 16 hollow shear wall, we had accomplished pseudo - dynamic tests which employed el - centro wave with different input peak acceleration and pseudo - static test of 1 / 2. 8 scale model 10 - story building

    在已完成了25個基本空心剪力墻試件和16個墻片的試驗基礎上，進行了空心剪力墻結構十層樓房1 2 . 8的模型擬動力、擬靜力試驗，擬動力實驗採用不同輸入峰值加速度的el - centro （ ns ）波。
  17. It is shown that distribution of dynamic response of dam is mainly alike. the maximum acceleration, the maximum displacement and the maximum shear stress are different obviously

    可以看出，兩種方法算得的壩體動力反應分佈規律基本一致，但壩體的峰值加速度、峰值位移及峰值動剪應力等均有明顯的差別。
  18. The deformation analysis was made to a 12 storey reinforcement concrete structure, building in site condition ii, earthquake fortification level 8, by a program idarc - 2d which is put forward by the state university of new york at buffalo. the strong ground motion records obtained from pacific earthquake engineering research ( peer ) stiong ground motion database. thirty - eight waves were selected from the database by sorting the site condition and peak ground acceleration a comparison was made to the thirty - eight records " response spectra and the design response spectrum. thirteen waves were selected to the deformation analysis, el - centro wave and taft wave were added as a comparison. the result of computation shows that the selected waves damaged the structure severely than the el - centro wave and taft wave

    利用idarc - 2d對一建於8度類場地上的12層鋼筋混凝土框架結構進行了大震下的變形驗算。強震記錄取自加州國家地震中心強震數據庫，按場地類別和峰值加速度對數據進行分類處理，從中選出38條波進行反應譜的擬合。最終選定擬合較好的13條波進行本次試算，作為比較加入了常用的el - centro波和taft波。
  19. The analysis is developed in three aspects ? amplitude, frequency and duration, accordingly, the contents of this paper can be divided into three parts. in the end of each part, a summary is given

    以及日本宮城縣北部hosokura礦的24個地震動峰值加速度數據，包括192組加速度峰值，其中每組峰值包括兩個水平分量和一個豎向分量。
  20. Based on the assessment of seismic risk of surrounding rocks, three sections are selected to perform fem calculating using ground acceleration history of different engineering properties as input. through study of the displacement and stress fields of grotto surrounding rocks under ground motion of different pga, frequency spectrum and duration, the influence of structure of grottoes and neighboring grottoes on dynamic damage and stability of country rock is discussed

    通過對不同地震動峰值加速度（ pga ） 、不同頻譜、不同持時作用下，錨索加固洞窟圍巖的位移場和應力場特徵的研究，探討了不同地震動作用下，洞窟的結構及洞窟之間的組合關系對圍巖動態損傷及穩定性的影響。
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