pseudo earthquake 中文意思是什麼
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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。 -
The earthquake force was ignored during designing midget pump station, while the pseudo - static method just gave approximate calculation to the large and medium pump station ever
在以往的泵站設計中，對于小型泵站，一般不考慮地震力；對于大中型泵站，即使考慮地震載荷大多都運用擬靜力法，進行大致的近似計算。 -
Evaluate the conclusion of pseudo - static method and dynamical finite element, and the security of manla rockfill dam under earthquake condition, give design scheme of the manla dam according to the analysis result
通過擬靜力法和動力有限元法得到的計算成果進行的對比分析，對滿拉堆石壩在地震作用下的安全性進行了綜合評價，根據分析結果對工程設計提出措施。 -
The study result is listed as follow : the transformation pseudo - elasticity property of shape memory alloys is simulated exactly with the above mentioned method of value calculation. the shape memory alloys re - centring damper presents typical " double flag " hysteretic curve, and the result accords with the theory analysis. the property of above new isolation device is excellent, the seismic response of the super - structure is significantly reduced, and the fully re - centring capacity after earthquake is obtained
研究結果表明，文中所提的數值求解方法能夠反映形狀記憶合金相變偽彈性的基本特徵；形狀記憶合金自復位阻尼器在循環荷載下呈現出典型的雙旗型滯回曲線，程序的模擬結果與理論分析相吻合；這種新型隔震裝置的性能優良，既可以大大減輕地震對上部結構的影響，同時也具有很好的震后自復位功能。 -
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。 -
Then, the multidimensional pseudo excitation method is developed for nonstationary random vibration analysis of lattice shells under multi - support and multi - dimensional earthquake inputs
在此基礎上，發展了多維隨機虛擬激勵演算法的理論，推導出了考慮多點、非平穩輸入時多維虛擬激勵法的計算公式。 -
By analysis of frequency spectrum based on matlab platform, wavelet method in the application of cutting out a section of inputting earthquake wave was presented. in the process of pseudo dynamic test results, the method of non - dimensional representation and analytic representation of hysteretic curve was provided. the above two methods will help to compare dissipation energy capacity of this structure at the different acceleration peak value stage of pseudo dynamic test more precisely and comparably
通過基於matlab的地震波頻譜分析，說明了小波分析方法在擬動力試西安建築科技大學博士學位論文驗中地震波截取方面的應用；在擬動力分段試驗數據的處理方面，本文將試驗結果的無綱量表示方法以及曲線的多項式擬合法引入滯回曲線的數據處理，這將有助於擬動力試驗不同加速度峰值條件下，各階段結構耗能能力的客觀比較。 -
The pseudo - dynamic test gives the model ' s earthquake response, failure characteristic and special seismic property, unveil the structure ' s failure procedure of " low density setin block ' s break - slab rib ' s break - end post ' s concrete craze - end post ' s steel bar yielding ", providing full and accurate experimental information to establish the seismic design method. the slab ' s crack discrimination condition is prescribe. the extreme shear strength bearing moment, shear and pressure synchronously shows the bearing capacity components and change in slab ' s failure process
提出了密肋復合墻體開裂的判別條件；對于墻體在彎剪壓耦合作用下的極限抗剪承載力性能，分析了其構成因素及其隨破壞過程的變化規律；在試驗研究和數值分析的基礎上，提出密肋復合墻體抗剪和抗彎承載力表達式，並對典型墻體多遇地震作用下的承載力可靠指標進行了驗算；對影響墻體抗剪能力的各種因素進行了顯著性分析。 -
The pseudo - dynamic test of 1 / 3 - scale model six - story building assembled with hollow shear wall with seams. the internal forces, the deformation and the failure mechansm of the building under earthquake are studied. the rules of frequency, damping and response spectrum are studied. the characters of earthquake response such as structure displacement, interstory drift, action of earthquake, the amplificatory coefficient of acceleration and the rule of strain are discussed. at last, this paper presented the design method of this structure based on the aseismic style and put forward the construction
進行了帶縫空心剪力墻結構六層樓房的1 3模型的擬動力試驗，研究了結構在水平地震作用下的受力特點、變形特徵、破壞形態等力學性能；得到了結構在不同受力階段的頻率、阻尼、反應譜等動力特性變化規律；討論了結構各樓層的水平位移、層間位移、地震力、加速度放大系數及構件應力分佈規律等結構地震反應特徵；指出了結構的抗震類型、薄弱層及薄弱部位；提出了多層帶縫空心剪力墻結構的第一階段設計方法和相應構造措施。 -
Sponsored by the national natural science foundation under the national key project “ the modern method and system for remote pseudo dynamic testing of structures under earthquake simulation ” ( 50338020 ), some studies on the method for remotely collaborative hybrid dynamic testing of substructures and structural elements have been carried out in this thesis. the main research achievements are summarized as followings : based on the network communication platform netslab ( networked structural laboratories ) developed by the research group, the rational framework of a platform for remote pseudo dynamic testing applications of substructures and structural elements is proposed and a robust standardized platform entitled netslab - sdof has been developed for remotely collaborative hybrid dynamic testing of single story structures with visual basic program language
本文結合國家自然科學重點資助課題「現代結構擬動力地震模擬協同試驗方法與系統」 （ 50338020 ） ，對結構遠程協同擬動力試驗方法進行了研究，主要成果如下:基於課題組開發的網路平臺netslab ，搭建了結構遠程協同擬動力試驗平臺的構架，採用visualbasic語言開發了一個標準化的開放式單層結構遠程協同擬動力試驗平臺netslab - sdof ，它由控制中心、真實試驗機、虛擬試驗機和遠程觀察器四個模塊組成。 -
Utilizing finite element method, found the safety factor of the dam slope. evaluate the conclusion of pseudo - static method and dynamical finite element, and the security of hada mountain embankment dam under earthquake condition
對擬靜力法和有限元法得到的計算成果進行了對比分析，對哈達山土壩在地震作用下的安全性進行了綜合評價，根據分析結果對工程設計提出了一些建議。
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