滑動中梁 的英文怎麼說
中文拼音 [gǔdòngzhōngliáng]
滑動中梁
英文
sliding center sill-
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。According to composition and structure feature of jinjiang landslide analysis, the author considers it was a enormous landslide with the characters about multi - period ( total four slides ) and overlaying, its mechanism of deformation failure attributed to a representative sliding - bending mode in the consequent slope, the stability calculation indicates that no matter what the whole landslide would not slide, while, as earthquake intensity reaching or exceeding vi, the first - period landslide which lies to the south of huangjiagou in the front slip mass and the fourth - period landslide which lies to the north of caojialiangzi in the back slip mass will slide
由金江滑坡的組成及結構特徵分析可知，邊坡為一多期次（四次滑動）兼具超覆特徵的巨型滑坡，其變形破壞機制屬順層邊坡中比較典型的滑移?彎曲型。穩定性計算表明，滑坡整體穩定性較好，僅在遭遇度及其以上地震作用的情況下，堆積體前部靠黃家溝以南的第一期滑坡及靠後部北側曹家梁子的第四期滑坡堆積體才會失穩；因素敏感性分析表明，滑坡穩定性對地震（尤以強震）最為敏感。In the higher velocity, especially in the critical velocity, the continuous model is invalidity. 2, in this paper, assume that the track and wheels are ideally smooth and no carriage or wheel - axle bending vibrations occur. invoke the basic hypothesis of the bernoulli - euler theory of beams : namely, that plane cross - sections initially perpendicular to the axis during bending
2 、在對連續性模型的分析基礎上，假設軌道與車輪為理想光滑的、沒有車輛和輪軸激起的振動，引用bernoulli - euler梁理論的假設：即垂直於梁軸線的橫截面在彎曲過程中仍然垂直於梁的中性軸。In staged construction process, study is primarily aimed at the truss load resistance capacity and flexural performance under construction and design load, combination performances of steel trusses in conjunction with concrete beam, the vertical displacement difference of two steel trusses with different span and their lateral stability, the glide displacement of the steel truss end during construction, the load resistance performance of steel trusses and concrete structure at the designed load, and the extreme limit loads and the breaking appearance of the combined steel trusses
主要研究了在階段施工過程中，鋼桁架在施工荷載及設計荷載下的受力性能和變形能力；鋼桁架與混凝土梁板的共同工作性能；兩榀不等跨鋼桁架在整體受力下的豎向位移差及其對結構的作用和側向穩定性；鋼桁架端部在施工階段的滑動情況；使用階段鋼桁架及其端部混凝土結構的受力性能；組合鋼桁架結構的極限承載力和破壞形態。At first, the mechanical model of joint is discussed, and the constitutive relation of the rough joint, especially the bolt - supported joint, is given. then bedding slide of bedding stratified rock slope is studied adopting limit equilibrium method, and a formula of stability is brought forward. at last, the bedding stratified rock slope ' s buckling deformation and failure mechanism and its evaluating method of stability is investigated, a corresponding mechanics model is established, then detail research to this failure mode is made in theory combining the energy law and elastic stability theory of plate and beam, and an analytical solution of the yielding curve is educed from this model
文中首先對結構面的力學模型進行了一定的探討，提出了粗糙結構面尤其是加錨結構面的本構關系；然後採用極限平衡法，研究了順向層狀巖質邊坡的順層滑動失穩，提出了其穩定性計算公式；最後，結合能量定律和彈性板梁穩定理論，探討了工程中常見的順向層狀巖體邊坡潰屈失穩時的破壞機理、變形規律和穩定性定量評價方法，建立了相應的力學模型，求出了其相應的解析解，並提出了臨界坡長與最大彎曲位置的確定方法。An experimental investigation on the transition in the boundary layer of horizontal plane with and without single two - dimensional roughness elements has been carried out in the wind tunnel. the distribution in normal and stream - wise directions of intensity of t - s wave excited by vibrating beam was measured in every condition. neutral curves were obtained by measuring the growth of the t - s wave at the normal critical location along the stream - wise direction
在風洞中對水平光滑平板以及加有粗糙元平板的邊界層轉捩進行了測量與研究，比較了不同情況下平板邊界層內由振動梁激勵生成的t - s波沿流向和法向強度的分佈規律，得到了相應的振型增長曲線以及中性曲線。The fea model of a novel cylinder action hydraulic press has been established in commercialized software ansys by adopting coupling dofs to simulate the sliding link in the frame with analysis and calculation of the stress and the displacement of the crossbeam and the column when the frame was under centric uniform distributed load and eccentric distributed load
摘要在商品化軟體ansys中，建立了一種新型壓力機整機的有限元模型，運用節點耦合的方法模擬滑動連接，隨後分析計算了機架承受均布載荷及偏載時橫梁和立柱的受力與變形。In the mechanics, the class of problems describes the deformations of the elastic beam, of which an end is simply supported and the other is clamped by sliding clamps
在力學中，這類邊值問題描述了一端簡單支撐，另一端被滑動夾子夾住的彈性梁的形變。分享友人