artificial earthquake 中文意思是什麼

artificial earthquake 解釋
人工地震
  • artificial : adj 1 人工的,人造的;人為的 (opp natural)。2 摹擬的 (opp genuine real); 不自然的,矯揉造作的...
  • earthquake : n. 1. 地震。2. 大變動,動亂。
  1. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究: (一)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律; (二)通過單柱承載力試驗,測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數; (四)通過斗?低周反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間摩擦系數,斗?抗側移剛度,斗?恢復力特性及滯回曲線,斗?抗壓極限承載力及受力變形規律; (五)通過抬梁式殿堂間架模型振動臺試驗,測定了殿堂木構架結構自振周期,地震反應振形、阻尼特性及阻尼比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  2. Then, the blasting earthquake wave 、 the natural earthquake wave and the artificial production earthquake wave are to be the input earthquake wave

    並以此和天然地震波、人工生成地震波作為輸入地震波。
  3. The multi - point effect with input of the artificial earthquake acceleration simulated by interpolation method is weaker than that of the directly simulated acceleration

    用內差法合成的地震動輸入情況下多點效應弱一些,但仍能體現多點效應。
  4. Based on newmark ' s step - by - step implicit integration method, the response analyses of a tunnel are performed by using viscous - spring artificial boundary under various earthquake accelerations and multiform conditions of surround rock. the seismic responses of the tunnel are calculated by changing parameters of surround rock within the tunnel some ranges. two kinds of shock absorption measures, which are setting shock layer and reinforcing surround rock are studied and shock absorption effects, applicable to cases and shock mechanism are analyze

    4計算了不同地震動作用下不同的圍巖材料對隧道地震反應的影響,並通過改變隧道襯砌一定范圍內圍巖材料的參數,計算了隧道的地震反應,分析了在隧道施工中設置減震層和注漿加固一定范圍內圍巖這兩種方法的減震效果、適用條件及其減震機理。
  5. This study employed six data mining methods, including logistic regression, discriminant analysis, artificial neural networks, k - nearest - neighbors, na ? ve bayes classifier, and classification trees, to find the most important factors of earthquake - caused landslide

    本研究利用六種資料探勘方法,包括邏輯回歸、判別分析、類神經網路、最近鄰法、貝氏分類器、分類樹,探討影響地震引起山崩的重要因子。
  6. On the basis of measured data of earthquake liquefaction and damage quantity, this thesis set forth artificial neural network models of estimation and grade evaluation of liquefaction, which take versatile factors into account

    本文依據地震液化及其危害程度實測資料,綜合考慮多方面因素,建立了液化判別及等級評價的人工神經網路模型。
  7. In the case of seldomly occurred earthquake, the artificial vertical seams play their roles, changes the failure forms of coupling wall - column and lower structural stiffness and earthquake action

    在大震作用下,人工豎縫發揮作用,改變了墻肢的破壞形態、降低了結構的剛度和地震作用。
  8. In the case of frequently occurred earthquake, the artificial vertical seams have little influence on structural periods, frequencies and vibration modes, what " s more, the structure has strong stiffness and bearing capacity

    在小震作用下,人工豎縫對結構的周期、頻率、振型等動力特性影響不大,結構具有較高的剛度和承載力。
  9. The paper has presented a physical oil production technology by artificial earthquake, that is, vibration waves are caused in the oil - bearing formation, resulting in a series of vibration effects, there - fore, oil productivity or water injectivity is increased

    摘要人工地震採油是通過地面可調頻振源進行一定頻率的振動,產生振動波,在油層發生一系列的波動效應,達到增產增注目的的一項物理法採油技術。
  10. Abstract : in this paper, the authors give a description of the seismological research and observation in turkey, including artificial seismic wave observation, water chemistry observation and the earthquake prediction experiment site and so on

    文摘:介紹了土耳其的地震研究與觀測情況,其中包括:人工地震波觀測、水化觀測和地震預報實驗場等。
  11. Firstly, the time - dependent spectrum of an earthquake wave estimated by the wavelet analysis is proposed in the paper. it can consider for the earthquake non - stationary frequencies in the study of earthquake ground motions. then, the artificial earthquake waves are computed using the trigonometric series model that includes the instantaneous spectrum

    本文應用小波分析理論首先對地震波的瞬時譜進行估計,此時的瞬時譜可以考慮地震動的頻率非平穩性;然後將估計的瞬時譜帶入三角級數模型生成人工地震波。
  12. The wavelet spectrum has been suitably scaled for matching of the response spectrum of the artificial earthquake wave with specified design response spectrum. consequently, the artificial earthquake wave is produced consistent with given response spectra

    為了擬合給定設計反應譜,本文將生成的人工地震波的小波譜進行適當的調整直至人工地震波的反應譜與設計反應譜相一致,從而生成與給定設計反應譜相一致的地震波。
  13. 4, for the above optimal parameters, a large - scale shaking table model testing of the tmd seismic decrease structure using the el centra earthquake wave and an artificial earthquake wave ( rgb ) simulated by the trigonometric progression method is conducted. the above theories are approved through the analysis of the testing results

    4 、針對理論分析提出的tmd裝置參數的優化取值,進行了tmd減震結構模型在elcentro地震波和由三角級數模擬法模擬的人工地震波( rgb )作用下的模擬地震振動臺試驗,試驗結果驗證了理論的正確性。
  14. Typical earthquake records are selected and artificial earthquake wave under consideration are designed according to the response spectrum of chinese code. nonlinear time history analysis ( nl - tha ) to each building with the eight earthquake wave altogether as input are conducted, and the pushover analysis ( poa ) and the capacity - demand - diagram methods ( cddm ) analysis with five common lateral force patterns are carried out on each building

    分別對各結構進行典型地震動下的時程分析,以及採用五種常用側向力分佈的pushover分析與能力譜法分析,根據等頂點位移原則對比不同地震動強度下兩者的層間位移反應,對不同層數結構以及不同地震動強度下pushover分析的側向力選取提出了建議。
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