seismic acceleration 中文意思是什麼

seismic acceleration 解釋
地震加速度
  • seismic : adj 地震(性)的;由地震引起的;易生地震的。 a seismic area 震域;震區。 the seismic centre [focu...
  • acceleration : n. 1. 加速;促進。2. 【物理學】加速度;變速。3. 【教育】加速升級。
  1. With the development of social economy and the acceleration of urbanization, many countries including china have to face the environmental problems, hygienical filling is one of the popular methods to dispose the solid - waste, and so too much importance has been attached to seismic stability research of solid - waste containment slope

    隨著社會經濟的發展和城市化進程的加快,治理城市廢棄物已經成為我國和世界各國城市建設中面臨的重大環境問題,採用衛生填埋技術是世界各國處理城市廢棄物的主要方法,有關填埋場基坑邊坡的地震穩定性研究越來越受到重視。
  2. Some conclusions are drawn : 1 ) effect of inertial force from superstructures on the lateral seismic response of single pile can not be ignored ; 2 ) the lateral seismic response of single pile induced by far - field earthquake are mainly affected by acceleration mass of superstructure > site eigenperiod. it increases with the increment of accele ration and mass of superstructure. as the site characteristic frequency approaches the self - oscillation frequency of the pile, sympathetic vibration occurs and the value of lateral seismic response reaches maximum ; 3 ) as the stiffness ratio of pile to soil increase, the relative displacement of pile to soil increases ; 4 ) the lateral seismic response of fixed - head pile is much smaller than that of free - head pile

    將其解析解與具體的的抗震設防烈度和場地特徵周期結合起來,計算分析了成層地基中單樁的橫向地震響應,得到了以下結論: 1 )上部結構慣性力對樁的橫向地震響應的影響不可忽略; 2 )成層地基中的單樁的橫向地震響應主要受地震基本加速度、場地特徵周期、上部結構質量的影響,隨地震基本加速度、上部結構質量的增大而增大;場地特徵頻率越接近樁基自振頻率,樁基地震響應越大,等於自振頻率時,由於發生共振現象,樁基響應幅值最大; 3 )樁土剛度比越大,樁土之間的相對位移的幅值越大; 4 )樁頂固接的連接方式,可以有效地降低地震時單樁的橫向地震響應。
  3. Compared the results of fea and the data of experiment, we can analyse that the distributing of the seismic stress of polymer - geogrid reinforced material is similar to that of the static stress, but the stress values of them is different ; the seismic similar friction coefficient between the earth and reinforced material fall with the increasing of earthquake acceleration, model acceleration respond along the height of the model, etc. thirdly, according to the comparison and analysis of the model seismic fea results and model experiment data, we can find the polymer - geogrid reinforced earth seismic fea is reasonable, which is composed by earth element, contact element and reinforced material element

    通過對比有限元計算結果和試驗數據,分析得出塑料土工格柵筋材的最大動拉應力的分佈與靜拉應力的分佈沿筋材的埋深大致相同,只是應力的值大小不同;地震作用下土筋間的動似摩擦系數是隨地震加速度的增加而減小;模型沿墻高方向的加速度響應等。接著,根據模型動力有限元時程分析結果和模型試驗數據的比較分析,得出由土體單元、接觸單元和筋材單元組合的塑料土工格柵加筋土非線性動力有限元分析模式的合理性。
  4. The results showed that : ( 1 ) the models used by author and the analysis are useful and can be practiced. ( 2 ) after using isolation technology, the structure ' s period, earthquake response, base shear force and acceleration are all decreased markedly and the horizontal displacement focuses on isolation layer. ( 3 ) under frequent earthquake action, the shear force ratio between layers is close to 0. 35 ; in according with the provision in aseismic design code that the horizontal seismic reduction coefficient can choose 0. 53 and the upper building can be designed by decreasing one degree

    計算模型分別採用三維空間模型及規范中建議的彈簧、質量模型,隔震層採用疊層橡膠隔震支座,運用大型結構有限元計算程序sap2000以及自主開發的nba結構程序計算隔震結構在多維地震動輸入下的動力非線性時程反應,同時研究了隔震結構在溫度變化的作用下,結構各桿件的內力變化,通過對變電建築物在傳統抗震作用下及隔震作用下的分析比較,得出一些有益的結論。
  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. Stability of seismic resistance and dynamic response analysis for ash dams. by psedo - static analysis and seismic dynamic response analysis with fem, safety coefficient under designed seismic force, stress, strain and acceleration amplification factor have been provided. based on upper analysis, related computing program has been provided. by applying it to the ash dams of qinghe power plant, good agreement has been found between calculation results and real conditions

    通過上述一系列的理論分析,本文最後給出了用於評價灰壩壩體穩定的計算程序,並在清河電廠的灰壩計算中得以應用,結果顯示計算收斂快,穩定性好,結論與實際情況吻合。
  8. 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。
  9. By virtue of the design features of the mania dam, this paper studies the dynamic characteristics of the dam materials. by comparison with other similar projects, it presents a curve for dynamic characteristics of clay core materials and rockfill materials, makes analysis on the dam ' s plane dynamic response by finite element method, calculates the dam ' s seismic acceleration, the dynamic shear stress of the rockfill, and the dynamic stress of the cutoff wall in the overburden layer

    本文針對滿拉土心墻堆石壩的設計特點,進行了築壩材料動力特性試驗研究,通過與相關工程對比給出了心墻料和堆石料的動力特性曲線,採用有限元方法進行了大壩平面動力反應分析,計算了大壩的地震加速度、堆石體動剪應力及覆蓋層防滲墻的動應力。
  10. The peak acceleration and the peak shear stress in superstructures increase with the increment of replacement ratio. parameters of softening model are obtained through seismic settlement tests of composite cemented clay samples and relative curves are plotted considering different replacement ratio

    通過復合試樣的震陷試驗,採用軟化模型的概念,得到了該模型有限元計算的有關參數,將這些參數和置換率的關系繪製成曲線並且給出了擬合公式。
  11. Three seismic waves are selected to do the shaking table test in 51 operating modes. the acceleration displacement responses and strain of the model are measured and the appearance and development of the crack are observed

    選定三條地震波,對該模型進行了51種工況下的模擬地震振動臺試驗,測定了模型結構的加速度、位移反應、重點部位的應變,觀察了裂縫出現和發展情況。
  12. 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。
  13. The ground seismic acceleration is conversed as the input seismic acceleration from bedrocks, which is useful in the next step

    利用反演分析所得的地震加速度曲線作為基巖的地震輸入曲線代入下一步動力分析步驟之中。
  14. Another problem is time - delay being in the control of mr structure, hi this paper, one input of the fuzzy logic controller is the seismic acceleration that avoids some time - delay being in the control. but time - delay being in the structure still is n ' t solved, so the neural network technique is introduced to predict the seismic responses of structures to avoid it, and the bi - state neural network control and fuzzy full - state neural network control are proposed. 4

    對于磁流變阻尼結構控制中的時間滯后問題,本文將地震加速度作為模糊邏輯控制器的一個輸入,消除了控制中部分滯后問題;但仍存在著結構本身的滯后問題,對此引入神經網路對建築結構的地震反應進行預測,並基於預測的動力反應和實測結構的動力反應的綜合值作為模糊邏輯控制器的輸入來消除建築結構本身的時滯,並提出了雙態神經網路控制和模糊全態神經網路控制; 4
  15. In general, some practical and useful fitting equations are deduced after researches on static and dynamic tests of composite cemented clays and corresponding regression analysis, which can be referred at the shortage of test data. the dynamic interaction between composite cement pile foundations and structures as well as the seismic settlement of superstructures are analyzed with the conversed seismic acceleration pr

    將地震曲線進行反演施加於基巖表面,通過對水泥攪拌樁復合地基和上部建築結構動力相互作用以及建築結構的震后變形的分析研究,得到了一些對抗震設計有意義的結論,為今後累似工程合理地進行地基處理和結構抗震設計提供了良好的參考作用。
  16. Therefore, study on dynamic properties of cement mixed pile foundations and the soil structure interaction during earthquakes is of great theoretical and practical importance in seismic design. this dissertation studies the static and dynamic properties of cemented composite foundations systematically through tests and parameters of duncan - chang model and hardin - drnevich model are generalized. the seismic acceleration is conversed and used as input acceleration through nonlinear method

    本文通過試驗系統地研究了水泥攪拌樁復合地基的靜力和動力特性,得到了復合地基的靜力duncan ? chang模型參數和hardin ? drevich非線性彈性動力模型參數,採用非線性方法對地震加速度進行了反演並將之作為基巖輸入加速度。
  17. 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。
  18. Design and experiment of acousto - optic waveguide phase modulator in electro - optic integrated acceleration seismic geophone

    光電集成加速度地震檢波器中聲光波導相位調制器的設計與實驗
  19. For aseismic analysis of lightweight steel structure, the response spectra and time history acceleration method are applied to calculate in the paper, the computational results show that the load responses of structural members are small at different earthquake intensity ; the sleeper workshop is very safe. it indicates the lightweight steel structure has favorable anti - seismic capability

    同時採用振型分解反應譜法和時間歷程加速度法分別對整體廠房結構進行了抗震分析和驗算,計算結果表明:在不同烈度下結構的地震響應都不顯著,結構的構件是安全的,同時也說明了輕鋼結構是有良好的抗震性能。
  20. 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。
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