earthquake ground motion 中文意思是什麼

earthquake ground motion 解釋
地震運動
  • earthquake : n. 1. 地震。2. 大變動，動亂。
  • ground : adj 碾碎了的，磨過的，磨成粉的。 ground and polished piston 【機械工程】研磨活塞。n 1 地，地面；...
  • motion : n 1 運動 動 移動（opp rest）。2 （天體的）運行；（車、船等的）動搖；（機器的）開動 運轉；【機械工...
  1. This scale, commonly known as the richter scale measures the ground motion caused by an earthquake

    這個震級，一般稱為里氏震級，可測量地震引起的地面運動。
  2. In this paper, two key strategies in earthquake risk assessment and risk management for urban areas are studied. one is ground motion based vulnerability evaluation method for buildings which needs to be solved urgently in earthquake risk assessment in china. the other one is financial instruments, such as insurance, reinsurance and catastrophe bonds ( cat bonds in brief ), combined with engineering earthquake risk evaluation which must be faced in earthquake risk management after china entered wto

    本文集中研究了地震風險評估和風險管理中的兩個重要問題，一個是當前地震風險評估中急需解決的，基於地震動參數的房屋建築易損性評估方法；另一個是我國加入wto以後地震風險管理必然會面臨的，與工程地震風險評估密切結合的地震保險、再保險和巨災債券等金融手段。
  3. It shows that hard layers barely affect the ground motion and can thus be neglected in general. the soft layers, on the other hand, can influence the ground motion greatly, i. e., seismic response will decreases when the period less than 0. 1s and it increases when period greater than 0. 3s, but it will not change significantly for the long period over 3s. therefore the whole effect of the soft layers on earthquake ground motion in fact depends on the characteristic frequencies input

    研究結果表明，硬夾層的影響很小，一般情況下，可以不予以考慮；軟夾層有較顯著的影響，其影響主要表現為：對周期小於0 . 1s的高頻段反應減小，對周期大於0 . 3s的較長周期段反應增大，而對周期長達3s及以上周期段反應幾乎無影響，因此，軟夾層對場地地震反應影響的總體作用是增大還是減小反應，取決于計算基底輸入地震動的頻譜特性。
  4. 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。
  5. We attempted to advance the certainty method based on the background value of earthquake ground motion ' s parameters, combined the probability seismic risk analysis and certainty seismic risk analysis to study the characteristics of earthquake ground motion ' s parameters in jianghuai region which is medium - strong earthquakes ' transition region, and protracted the calculating background values of earthquake ground motion ' s parameters to plane equivalence value maps and solid equivalence value maps

    摘要嘗試性地提出了基於地震動參數背景值的確定性方法，將概率性地震危險性分析和確定性地震危險性分析相結合，對江淮地區這一中強震過渡區的地震動參數特徵進行了研究，並把地震動參數背景值的計算結果繪製成平面等值線圖和立體等高線圖。
  6. Methods of seismic response analysis for long - span bridges under multi - support excitations of random earthquake ground motion

    隨機地震動場多點激勵下大跨度橋梁地震反應分析方法
  7. So the result is more accurate than old methods. the result of structural energy response based on wavelet provides a practicable method for structure design and design energy dissipation system in structure, this chapter ' s analysis and contrast tell us littlewood - paley wavelet is not suitable for analyzing energy of earthquake ground motion and structural energy response. on the purpose of calculating energy, meyer wavelet must be modified so that its frequency integral is a constant, the result of energy by modified meyer wavelet and harmonic wavelet is practicable, only the later is bigger but in the same energy level

    通過三種小波基（ littlewood ? paley小波、 meyer小波、諧波小波）下的地震地面運動能量分析以及結構地震能量反應分析說明：直接通過加速度記錄可以求得地震動能量，由於小波系數中同時含有時域和頻域的能量，由此得出的能量比以往的方法更準確；在此基礎上求得了結構的能量反應時程，為結構設計及結構中設計耗能體系提供了具體的方法；通過這一章對比分析得出， littlewood ? paley小波不適合於作地震動能量分析和結構能量反應分析。
  8. For the purpose of wavelet ' s basic concept and wavelet transform fundamental principle, four wavelets : littlewood - paley wavelet, meyer wavelet, harmonic wavelet and odd exponent wavelet are used to analyze structural response under earthquake ; experimental investigation has been carried out for two - stories frame model ; this paper also analyzes earthquake ground motion energy and structural energy response based on wavelet ; this paper proposes dynamic reliability analysis for structure seismic response based on wavelet

    針對小波的基本概念、小波變換的基本原理，本文提出了用四種小波： littlewood ? paley小波， meyer小波，諧波小波，單邊指數小波來進行結構地震反應分析、並對二層框架模型進行振動臺試驗研究、也進行了在小波基下的地震地面運動能量分析和結構地震能量反應、以及結構地震反應在小波基下的動力可靠性分析。
  9. The thesis discussed the effects of the factors on the high - rise isolated building, such as the rigidity and - damping of isolation system, the structural rigidity, the earthquake ground motion duration and so on

    本文對影響高層隔震建築的諸多因素如隔震系統的剛度、阻尼、結構的剛度、地震動持時、雙向地震作用等進行了討論，為工程建設提供一些參考。
  10. In case that the overall seismic resistance design of these kinds of huge platforms and upper structures is under developed, and that beijing is in the area of strong earthquake ground motion, overall seismic behavior and design method about these sorts of structures deserve in - depth experimental and analytical research

    由於此類超大平臺結構和上部結構整體抗震設計的經驗尚少，而且北京地處高地震烈度區，故對這種超大平臺結構和上部結構，整體抗震性能和設計方法是工程中亟需解決的問題。
  11. The results of comparative analyses in this paper can be used to select and simulate the envelope of earthquake ground motion

    文中的比較分析結果可以用於地震動包線函數選擇和模擬。
  12. The evaluation has been made for normally used four envelope functions of earthquake ground motion. being as evaluation standard of the envelope function this paper pointed out that the controlling capability of the parameters involved in functions of the peak position of the envelope with single peak and the shape of the envelope are essential besides simplicity of the formula of envelope function

    本文對已經提出的四種經常使用的包線函數模型進行了評價，認為對于評價單峰點包線函數，除了要求形式簡單以外，其優劣可以用函數對峰點位置和高峰隆起程度的控制能力作為標準。
  13. The result offered a example for the study of earthquake ground motion in the medium - strong earthquakes ' transition region

    為中強震過渡地區的地震動區劃研究提供了一個實例。
  14. A delicate general solution of non - proportional damped mdof systems subjected to an earthquake ground motion, completely in real value form, was presented

    由於可以選擇少量共軛復振型的影響進行計算，對于大型復雜非比例阻尼結構，其隨機地震響應計算工作量可以大幅度減小。
  15. Assuming that the earthquake ground motion is a zero mean valued non - stationary random excitation, the higher accuracy numerical algorithm of these complex oscillators were developed in virtue of the principle of pseudo - excitation method

    通過假定地震地面運動為一零均值的非平穩隨機激勵，應用虛擬激勵法原理，推導得到了廣義復振子動力坐標計算的一般公式，進而得到了非比例阻尼線性體系非平穩隨機地震響應計算的一般解答。
  16. 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。
  17. Influence of earthquake ground motion intensity on site earthquake response

    地震動強度對場地地震反應的影響
  18. It is well known in the world that site soil conditions have important effects on earthquake disaster and earthquake ground motion parameters. the theory of adjusting response spectra according as site classification has been widely accepted and adopted by all kinds of seismic design codes in china and abroad

    場地條件對地震動和結構震害的影響早已成為舉世公認的事實，根據不同的場地類別來調整設計反應譜的理論已被廣泛接受並納入規范。
  19. In the paper the development is reviewed systemically for the study on the attenuation laws of the earthquake ground motion and also are the data used in these studies and the results

    本文首先介紹了幾種常見的地震動衰減關系，包括使用資料的情況及回歸的結果。
  20. It is indicated by theoretical analysis and seismic damage of structures that the essence of earthquake ground motion is multi - dimensional and it should be considered in seismic design of buildings

    =理論分析及震害現象表明，許多結構的抗震設計需考慮雙向水平地震作用的影響。
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