峰值加速度表 的英文怎麼說
中文拼音 [fēngzhíjiāsùdùbiǎo]
峰值加速度表
英文
peak value accelerometer-
The research result shows that the influence of impressed electromagnetic field strengthen the gas explosion, and make the flame propagation speed, the flame propagation speed peak value and the overpressure peak value enlarged ; with the increase of electromagnetic field intensity, the effects on aggravating the gas explosion raise
研究結果表明:外加電磁場使瓦斯爆炸強度增加,使火焰速度、火焰速度峰值、壓力波超壓峰值增大,隨著電磁場強度增加,其對瓦斯爆炸加劇作用增強。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。( 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。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。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From the results, we can see that jinhuai bridge has no noticeable vertical deflection peak. it is mainly because of the restrictions of some parameters such as velocity of the vehicle on highway and damping of the bridge, which can limit the peak values
計算結果表明,公路橋梁也存在多個瞬態響應相互疊加的問題,但由於受車輛行駛速度和阻尼因素的影響,津淮剛架拱橋沒有出現明顯的共振峰值。By analysis of frequency spectrum based on matlab platform, wavelet method in the application of cutting out a section of inputting earthquake wave was presented. in the process of pseudo dynamic test results, the method of non - dimensional representation and analytic representation of hysteretic curve was provided. the above two methods will help to compare dissipation energy capacity of this structure at the different acceleration peak value stage of pseudo dynamic test more precisely and comparably
通過基於matlab的地震波頻譜分析,說明了小波分析方法在擬動力試西安建築科技大學博士學位論文驗中地震波截取方面的應用;在擬動力分段試驗數據的處理方面,本文將試驗結果的無綱量表示方法以及曲線的多項式擬合法引入滯回曲線的數據處理,這將有助於擬動力試驗不同加速度峰值條件下,各階段結構耗能能力的客觀比較。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。Inside the area improved by cement mixed piles, the peak acceleration decreases and the peak shear stress increases with the increment of replacement ratio. in a point closer to the ground, there are higher peak acceleration and lower peak shear stress at the same replacement ratio
通過研究發現:在復合地基加固范圍之內,隨著置換率的增加,復合地基的加速度峰值逐漸減小,剪應力峰值逐漸增加;置換率相同時,離地表越近,復合地基的加速度峰值越大而剪應力峰值越小。In this part, pga, pgv and pgd are studied, the main results are as follows : 1 ) in general, pga decrease with depth and can reach maximum at surface ; the pga ratio with depth of downhole / surface is affected by magnitude and ground pga value, the bigger the magnitude and pga value, the smaller the pga decrement with depth ; the decrement with depth is much more significant in near - surface than that in deep downhole
加速度峰值沿深度的變化與地震的大小和場地條件有關。對于土層場地,一般說來,隨著震級和地表pga的增大,加速度峰值沿深度的下降梯度減小。對于「土層基巖」型場地,基巖面處的水平分量約是地表的1 3 . 7 ,豎向分量約是地表的1 3 . 2 。Actual measurement indicates that the displacement and acceleration of rail vibration both have random property, the displacement spectrum mostly has obvious low frequency contets which occupy dominant peak value range
實測表明,軌道振動的位移和加速度都具有隨機特性,位移頻譜組成以低階頻率為主,且有明顯占優勢的峰值區域。In connection with a rc high - rise building, a 3 - d finite - element model is used in seismic response analysis. the calculation results show that the aseismic behavior is excellent
摘要採用有限元模型,對某鋼筋混凝土高層建築進行非線性時程分析。計算結果表明隔震結構的頂層加速度峰值、層間位移、基底剪力等均大大地降低,隔震性能良好。分享友人