attenuation of ground motion 中文意思是什麼

attenuation of ground motion 解釋
地殼運動衰減
  • attenuation : n. 1. 變薄，變細。2. 減少，減弱。3. 稀釋。4. 【物理學】衰減。
  • of : OF ＝Old French 古法語。
  • 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. 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 two - stage method, including the weighting matrix important for the stage - two regression, is discussed detailedly in the paper. 4. analysis of the attenuation law of ground motion energy

    本文對兩步回歸法做了詳細的論述，尤其對第二步回歸分析時的加權矩陣做了細致的分析，並編制了計算程序。
  3. 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。
  4. The west of usa where there are not only plenty of strong ground motion records but also attenuation relationship of intensities is selected as the reference region and the attenuation relationship of ground motion in china are transformed from corresponding attenuation relationship of intensities

    選擇既有豐富的強震記錄又有烈度衰減關系的美國西部地區作為參?區，並利用本文確定的分區地震烈度衰減關系轉換得到相應的地震動衰減關系式。
  5. Based on 266 strong ground motion records from 15 earthquakes in america, an attenuation relationship was used to relate energy spectra to earthquake magnitude, source - to - site distance, and site class. the purpose of this study is to make a foundation of energy - based design and seismic hazard analysis. the main achievements of this study could be summarized as follows : 1

    本文的主要工作就是利用所掌握的地震動記錄，採用兩步回歸法對地震動的各種能量參數進行回歸分析，找出地震動的能量參數隨震級、距離等參數的衰減關系，為基於能量的方法能夠應用到抗震設計及震害評估等實際工程中奠定基礎。
  6. Attenuation of ground motion

    地殼運動衰減
  7. 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。
分享友人
分享到 Line

分享到臉書