等震線 的英文怎麼說
中文拼音 [děngzhènxiàn]
等震線
英文
coseismal-
The isoseismal maps are valuable complements to the instrumental records.
等震線圖是儀器記錄有價值的補充資料。Based on total stress index of property of statics and dynamics of dam body and dam base materials which obtained from test, utilizing duncan - chang hyperbola model and equipollence linearity model to analysis static state and dynamic stress state affected by earthquake of hada mountain dam body and dam base
根據試驗得到的壩體和壩基材料的靜動力學性質的總應力指標，計算中採用duncan ? chang雙曲線模型和等效線性模型，分析了哈達山壩體和壩基的靜應力狀態以及它們在地震作用下的動應力狀態。The main achievements of the dissertation are listed as following. 1 the definition of slw is given to clarify some misunderstanding on the new structure style. the typical experiment results on parallel structure forms, such as erose - section - column frame and conventional shear wall are compared in the point of view of energy dissipating property
引入短肢墻定義，闡述了短肢墻結構體系是高層住宅合理的結構形式，詳細列出有代表性的異形柱、普通剪力墻結構（或構件）在低周反復試驗中的滯回曲線等主要抗震性能，以作為短肢墻結構體系歸屬定位的依據。Based on the fromer study of mine tectonic, hydrology, tunnel deformation, etc., 3 - d numerical simulation of current tectonic stress field of lvjiatuo coal mine was done in this thesis, combining with local hypocenter mechanism solve and relational stress in - situ measuring value regression analysis has been done to the simulation result, and the reasonable results are gained those will offer dependence for disposing the tunnels more rational and making tunnel supporting more economical and safer
摘要本文在前人對呂家坨礦進行礦井構造、水文地質、巷道變形等研究的基礎上，結合該地區的震源機制解及有關的應力實測值，對礦區現今構造應力場進行了三維數值模擬，並對模擬結果進行了線性回歸分析，得到了與現實較為符合的結論，為更合理的巷道布置和更經濟而安全的巷道支護提供依據。The research on attenuation features of intensity in the yunnan region by using intensity isoseismals of 127 earthquakes, and the following three conclusions have been put forward : ( 1 ) average ratio values of long - axis to short - axis of innermost isoseismal in the yunnan region is larger than eastern china and smaller than western china
摘要本文利用127次地震等震線資料，對雲南地區地震烈度衰減特徵進行了研究，其結果表明： （ 1 ）雲南地區地震烈度極震區等震線的長軸、短軸之比的均值，高於我國東部地區而略低於西部地區的平均值，烈度衰減方向性強。Considering the characters of bp neural network, such as the simple structure, the advisable malleability, self - fitness, self - studying, nonlinear function approximating, the considerable abilities of parallel computing, fault - tolerant and so on, the bp algorithm have been extensively applied to the areas of system modeling, pattern recognition and seismic exploration since 1986. compared with other algorithms, as the above reasons, the bp algorithm has become the most usual and efficient solutions to the artificial neural networks
由於人工神經網路中的bp神經網路結構簡單，可塑性強，具有良好的自適應、自學習、極強的非線性逼近、大規模并行處理和容錯能力等特點，自1986年rumelhart等人提出以來，被廣泛應用於系統建模、模式識別、地震勘探等重要領域。而bp演算法數學意義明確，步驟分明，是神經網路中最為常用、最有效、最活躍的一種方法。The article is directed by the modern structural geology, seismic stratigraphy and petroleum geology. in the study of works, geology, seismic and logging data are used. with the computer ' s ( workstation ) help, adopted many methods which are the technology of balanced section, calculation of the structural movement rate, the renewal of the erosion thickness, renewal of the ancient thickness, the protraction of the cover history curve and the " pagoda " figure, and based on the previous research achievement, this article studies the characteristic of rupture and fold, the degree of structural movement and the fashion of structural movement and brings forward that ludong area has experienced three big phases of structural evolvement
以現代構造地質學、地震地層學和石油地質學為指導，全面利用各種地質、物探、測井資料，藉助先進的計算機（工作站） ，採用多種方法（平衡剖面技術、構造活動速率計算、剝蝕厚度恢復、古厚度恢復、埋藏史曲線製作、寶塔圖製作等） ，並結合前人的研究成果，研究了陸東地區斷裂和褶皺的特徵、構造運動的期次以及構造運動的方式，提出了陸東地區經歷了三個大的構造演化階段。Seismographic surveys carried out across the atlantic ocean have shown that there are many deviations and unexplained contours to be found right at the bottom of the ocean
大西洋安放地震儀調查顯示發現有許多偏離和不明原因的等高線正好就在大海的底部。This machine uses the long rod organization, the connecting rod selects the line continually, turns on lathe the shuttle to cancel the line, the construction doubling locks the type line mark, the release lever type delivers the seam organization but actually, the completely automatic lubrication, the line mark smoothly artistic, the noise is small, vibrates lowly, is suitable in the shirt jacket western - style clothes, the indproof coat, the bedspread, the children ' s clothing fashionable clothing and so on
本機進行了多項技術改良確保了機器的穩定供油和杜絕漏油想象.採用連桿式機構，連桿挑線，旋梭勾線，構成雙鎖式線跡，杠桿式倒送縫機構，全自動潤滑，線跡平整美觀，噪音小，震動低，適用於襯衫夾克西服，風衣，床罩，童裝時裝等。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。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。Are uncertain and should be regarded as random variables, therefore the reinforced concrete frame is stochastic structure inherently, and then its motive equations converted to combined random differential equations for the uncertain parameters and external random excitation. these equations were solved by order - orthogonal expansion method with pseudo - excitation method, and then the statistic stochastic responses of random structure were obtained. at last, based on the stochastic cumulative damage model with double parameters developed by park, formulas were formulated for calculating structural earthquake damage probability using the structural reliability theory ( mainly jc algorithm ) in extensive random space
首先對受地震激勵的剪切型鋼筋混凝土結構進行建模，用隨機等效線性化方法將二階非線性微分方程組化成一階線性微分方程組（或稱之為狀態方程） ；再考慮材料等參數的隨機性，則狀態方程成為復合隨機微分方程組，將擴階系統方法和虛擬激勵方法推廣並應用於這個復合隨機微分方程組，求出結構的隨機響應量的統計參數；最後採用隨機累積損傷破壞準則，在廣義隨機空間內，用jc演算法求解失效概率，進而求出結構的抗震可靠度。Therefore, basic methodologies for stochastic seismic and filtering responses of nonlinear structure are studied, the approximate solution methodologies and their practical applications are investigated in the dissertation employing equivalent linearization and moment equations method based on fpk equations and ito stochastic differential equations
因此，本文基於fpk方程和伊藤隨機微分方程，研究了滯后結構物的隨機地震反應和隨機濾波問題的基本方法，並利用等效線性化法和矩方程法，研究了非線性結構隨機地震反應分析和隨機濾波分析的近似解法及它們的工程應用。Recurring to pre - process program of ansys and drawing functions of winsurf, pre - process program serving to finite elements auto - division of dam bodies and basements models and post - process program capable of plotting various isolines of stress and dams " distortion are worked out. collecting program of data files necessary for dams " dynamic stability analysis is also finished
藉助于ansys前處理程序和winsurf繪圖功能，用vb6 . 0語言編制了用於進行壩體?壩基模型有限元網格自動劃分的前處理程序和能夠繪制各種應力等值線或壩體變形圖的后處理程序；編制了進行土石壩地震穩定性分析所需要的數據文件集成程序。( 4 ) to determine liquefaction potential in site, several viable approaches are used, and these are ( 1 ) the standard penetration test ( spt ), ( 2 ) measurement of in - situ shear wave velocity ( vs ), and ( 3 ) use of test data and seed & idriss method. considering the non - linear of the soil, we calculate the earthquake response of the soil with the hardin - drnevich model and the finite element method. finally, we estimate the liquefaction capability of the site during earthquake in xuzhou, jiangsu province
中國地展局工程力學研究所碩士學位論文川採用《建築抗震設計規范》 （ gb50on一2001 ）基於標準貫入試驗的判別法、基於場地剪切波速的液化判別方法和seed一idriss簡化法對可液化場地進行了液化判別;考慮土的非線性，採用等效線性化模型，利用有限元方法進行了場地的地震反應分析;並對滬蓉高速鐵路徐州段可液化場地的地震液化性能做出了綜合評價。In this paper, the attenuation zones of intensities in china are determined by using of the abundant intensity isoseismals and then the attenuation relationship of intensities are developed
摘要本文利用我國豐富的地震烈度等震線資料，確定了我國烈度衰減關系分區，並建立了分區地震烈度衰減關系。With the use of one - dimension equivalent - linear wave motion method which is wildly used at present in the analysis of earthquake site response, the platform values and the characteristic periods of ground surface acceleration response spectra of different profiles were calculated and analyzed under different ground motion inputs
利用目前工程上常用的一維等效線性化波動方法計算分析在不同地震動輸入下，不同場地類別、三種土層結構的地表加速度反應譜的特徵周期和平臺值。Random seismic responses of civil engineering structure are calculated by employing stochastic vibration equations and moment equations methods of nonlinear structures established and stochastic equivalent linearization. in this procedure of calculation, differential expression of hysteretic characteristics and seismic excitation are taken into consideration
通過已建立的非線性結構物隨機振動方程，納入滯后特性微分表達式，利用隨機等效線性化法和矩方程法，計算了工程結構物的隨機地震反應。The research work about the local non - linear random vibration of engineering structure under earthquake excitation includes ; discrete hinge model combined with the pem and the elm is used to solve such non - linear problem which the bend - type hysteretic effect of some components is taken into account
對于工程結構地震作用下局部非線性隨機振動，將離散塑性鉸模型與虛擬激勵法和等效線性化法相結合，求解這一類局部發生彎曲型滯遲效應的非線性問題。The thesis mostly work is mathematical analysis, give some basic information of the research object - hada mountain embankment dam, determinate the research task and the analyses condition. utilizing pseudo - static method theory, calculated the safety factor for the dam slope, give a primary conclusion. utilizing static finite element method based on duncan - chang hyperbola model, found the static stress field, make the foundation for dynamical finite element analyses
採用等效線性模型，用計算土石壩地震反應的動力有限元程序，對哈達山土壩進行了動力有限元分析，得到了壩體的動應力場分佈、加速度場分佈，為動力有限元法計算壩體穩定打下基礎。分享友人