振實臺 的英文怎麼說
中文拼音 [zhènshítái]
振實臺
英文
plain bumper-
Then using wilson - # method and linearity acceleration method to calculate the earthquake time - history reaction of a base isolation buildings. the results indicate that the benc - wen model and the bilinear model can couvade the restoring - force character of the isolation bearings exactly well
然後，以實驗模型在振動臺上受激勵，獲得加速度頻響函數的方式來考察我們選取的模型擬合效果，選取一個適合瀝青隔震墊的恢復力模型。There are over 80 sets test apparatus in tech - innovation centre, including : anechoic chamber, vibration tester, vibration measurement analysis, impact instrument, constant temperature and humidity facilities. salt spary test case, circle insulation withstand voltage tester, insulation resistance tester, withstand voltage tester, electric lead tester, electrical leakage tester, earth resistance tester, chassis dynamometer, chassis dynamometer control system, high stability dc resistance tester, electrical capacity tester, temperature rise test system
中心擁有各類分析測試儀器和試驗裝置80餘臺套，包括：消音室振動臺噪聲振動測試分析系統沖擊儀恆溫恆濕實驗儀鹽霧試驗箱匝間耐壓分析儀絕緣電阻分析儀對地耐壓分析儀泄露電流測試儀對地電阻測試儀測功機測功機控制系統高精度直流電阻測試儀電參數測試儀帶電溫升測試儀復合式三坐標測量儀萬分投影儀及電功測試分析系統等。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。Jolting table for compacting mortars specimen
水泥膠砂試體成型振實臺Verification regulation for cement mortar specimen jolting table complying with iso 679
膠砂試體成型振實臺檢定規程Cement mortar vibration compaction equipment
水泥膠砂振實臺Z29 series machineryplain bumper
Z29系列機械振實臺Z29 mechanical plain bumper
Z29系列機械振實臺Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled
（ 2 ）利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究，通過分析正弦荷載作用下的試驗資料，驗證了粉土的孔隙水壓力增長模式的合理性；從微分方程推導了基於土體振動臺模型試驗的相似律，並從模型實體、孔壓時程曲線和相似律等方面做出了分析，得出了如下結論：在小型振動臺試驗中，模型箱中的粉土都發生了液化，液化的時刻和輸入加速度幅值有關，而對頻率的變化不太敏感；粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化；孔壓的增長曲線形狀與施加的荷載有關：當施加荷載為由小到大的形式時，曲線形狀為上凹的曲線；當施加荷載為等幅的正弦荷載或荷載幅值由大到小時，曲線形狀為上凸的曲線，且逐漸趨于穩定。Vibration table is a kind of standard experiment equipment which is used to provide classical vibration conditions, simulate and reappear the environment, test and evaluate the mechanical function of all kinds of engineering equipment
振動臺是一種在實驗室內提供典型振動條件或模擬再現環境、用以檢驗和評價各類工程裝置及設備機械力學性能的標準試驗設備。Unbound and hydraulically bound mixtures - test methods for laboratory reference density and water content - vibrating table
鬆散的和液壓粘合的混合料.實驗室參考密度和水含量的測試方法.振動臺Pass the research and the test datas of this article, the major work done can be summarized as follows : 1. provide the detailed test data, analyze the existing synchronous controler some shortage, and produce to suffer from the hidden danger
通過本課題的研究和實際數據測試，研製工作獲得如下結果: 1 .提供詳盡的測試數據，分析現有的tri - tek 704d電流相位/幅值同步控制器存在的一些不足之處，以及由此產生對並聯雙振動臺系統所帶來的安全隱患。Standard practice for making roller - compacted concrete in cylinder molds using a vibrating table
使用振動臺在筒模中製作碾實混凝土的標準實施規范It begins with the math model ’ s building, simulation research in theory and half - practicality, then design the appropriate platform of controller, at last it must be verified in the industry local
本課題以「鐵馬工程」項目為背景，以液壓振動臺為被控對象，伺服控制器的設計和實現為工作的核心。Then the experimental data was analyzed in time domain and frequency domain. thirdly the hilbert translation method was used to detect the nonlinearity of the system. at last the model of this kind of system was identified, the result show that the theory model is the same format as the experiment model
然後利用振動臺做掃頻試驗，對試驗數據在時域與頻域進行分析處理，利用hilbert變換檢測系統的非線性，分析系統的非線性特點，在此基礎上進行系統的模型識別，並將實驗建立的模型與理論模型進行比較。This project name is " basic technique research and vibration isolation theory with bionic mechanism for devices of high precision ". this thesis is mainly in two aspects : theoretical analysis and experimental research. it is composed of the characteristic of power transmission based on the smr model, control theory of vibration isolation for micro - manufacturing platform
本學位論文結合國家自然科學基金項目「精密裝置仿生隔振系統理論及基礎技術研究」 （ no . 50075078 ） ，從理論分析和實驗研究兩方面，對smr模型的功率傳遞特性、微製造隔振平臺控制理論和主動振動控制技術進行了深入、系統的研究。The experimental system on seismic simulator was set up and whose control roftware were developed. analyzing automatically data method was advanced and its roftware was designed. the methodology of the collecting responses of structure was obtained was proposed
建立了振動臺試驗系統，開發了試驗控制軟體，提出了「自動數據分解法」及其軟體實現，確定了試驗結構模型反應的獲取方法。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。The efforts to be shown in the paper include : building on the mathematics model of electro - hydraulic shaking table, after the analysis of the dynamic characteristics of electro - hydraulic shaking table the conclusion that it is essentially non - linear is drawn ; according to the aforementioned characteristics and with the view to the actual research object, we present the outline of the system design and criteria of the electro - hydraulic shaking table servo - controller ; due to the research object we practically work over two control strategies and correspondingly scheme out two controllers, which is pid controller and human simulating intelligent controller based on ziegler - nichols parameters - adjust empiric formula ; we develop electro - hydraulic shaking table servo - controller, constitute entire hardware system platform and accomplish the correspond codes of the software which combine to complement its most functions ; the simulation of the adjust stability of controlling system and servo trailing control has been made by matlab, which compares the simulation results of the behavior of pid controller and human simulating intelligent controller
本文的主要工作包括：從電液伺服控制系統的數學模型入手，對電液伺服控制系統的動態特性進行了分析，得出了其非線性本質的特點；根據電液伺服控制系統的上述特點，結合具體的電液式振動臺研究對象，提出了電液伺服控制系統的設計要點和振動臺伺服控制器的設計指標；結合研究對象，具體研究了控制器的控制策略，設計了兩類控制器，即基於ziegler - nichols參數整定經驗公式的pid控制器和仿人智能控制器；開發了電液式振動臺伺服控制器，建立了完整的硬體系統平臺並完成了相應軟體的編寫，實現了主要的控制功能；對控制系統的穩定調節控制和伺服跟蹤控制進行了matlab數字模擬，對pid控制器和仿人智能控制器的控制行為分別進行了模擬實驗並做了比較。The control software of the shaking table digital control system is designed in the having been finished hardware platform of electro - hydraulic seismic simulation shaking table
在實驗室現有的硬體平臺上設計了地震模擬振動臺數控系統的控制軟體。分享友人