梁壓材 的英文怎麼說
中文拼音 [liángyācái]
梁壓材
英文
waterway-
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。In this paper, at the cut - in spot of beam active vibration control and use the pzt material as the drive component, the main research works can be summarized as follows : 1 ) using the finite element theory, a general finite element formulation of piezoelectric media is derived, the direct and converse piezoelectric effects are considered in the formulation
本文從梁的振動主動控制研究為切入點，利用了pzt材料作為驅動元件，作了如下幾個方面的研究： 1 ）利用有限元理論，考慮壓電材料的正、逆壓電效應的影響，導出了機電耦合壓電元件的有限元方程。Kung k. y., hsu, c. h., chen p. c., lin, j. r., 2004, effects of surface roughness on dynamic squeeze behavior of partial journal bearings with finite width, 5th wseas international conference on applied mathematics, miami, florida
林昭仁，梁龍驥，許政行，劉昀諭， 2004 ，圓柱與平板間之磁液動擠壓膜行為，磨潤暨材料科技學術研討會Kung k. y., hsu, c. h., chen p. c., lin, j. r. ( 2004 ), “ effects of surface roughness on dynamic squeeze behavior of partial journal bearings with finite width ”, 5th wseas international conference on applied mathematics, miami, florida
林昭仁，梁龍驥，許政行，劉昀諭（ 2004 ） ， 「圓柱與平板間之磁液動擠壓膜行為」 ，磨潤暨材料科技學術研討會，虎尾技術學院Active control of piezoelectric composite beam vibration using a nonlinear fuzzy filter
壓電復合材料層合梁非線性模糊濾波振動控制The wall was equaled to an elastic composite slab with silica bricks as main body and concrete rib beams, columns and outer frame as reinforcing fiber. ( 2 ) elastic - plastic stage. the wall was equaled to a rigid frame - oblique compression bar model in which concrete frame was equivalent to a rigid frame while silica brick was equivalent to a oblique compression bar
（ 1 ）彈性階段? ?將墻體視為一種以輕質砌塊為基體，混凝土肋梁、肋柱、外框為增強纖維的復合材料等效彈性板； （ 2 ）彈塑性階段? ?將墻體視為一個由鋼筋混凝土剛架和與之鉸接的砌塊等效斜壓桿組成的剛架斜壓桿組合模型； （ 3 ）破壞階段? ?將墻體視為肋梁嚴重破損的梁鉸框架模型。Have properties of standing high temperature and pressure, waterproof, antisepsis, preventing aging. they are convenient for cutting and making model. they can be used many times repetitively and are first selecting material in constructing bridge, building, nuclear power station and architecture industry
耐高溫高壓超強防水防腐防老化，便於切割做模，能多次重復使用，是橋梁高樓大廈核電站和建築行業混凝土施工的首選材料。Secondly, the paper analyzed the behavior of isotropic and orthogonal anisotropic materials " cws on the basis of above theory and software. regularities of cws " deformation inner force and shared load and earth pressure in excavating stage and driving stage were gained. regularities influenced by material features top beam excavating depth sidewall depth properties of soil layers rear backing and location of load were also obtained, especially rules of display degree exerted by circular and vertical loads were also obtained
通過分析，得到了形成階段及頂進階段圓形工作井的變位、結構內力、分載及土壓的分佈規律及材料性質、頂冠梁及圍檁、開挖深度、井壁插深、土層性質、后靠背、頂載作用位置等因素對結構受力性狀的影響規律，特別是得到了工作井在受力時結構環向與豎向承載作用發揮程度的規律。Standard test method for short - beam strength of polymer matrix composite materials and their laminates
聚合母體組合材料及其層壓製件的短梁強度的標準試驗方法Then, it deals with the theory of the finite element, experimental modal analysis and hilbert huang transform, which forms the theoretical groundwork of the following experimental investigation aiming at analyzing the effect of the transducer debonging on the dynamic response of composite laminated cantilever beam
再次，採用壓電元件做傳感器的復合材料懸臂梁結構為試驗對象，利用模態分析、 hht變換的方法，對壓電元件與復合材料之間的脫膠損傷對結構動態特性的影響進行試驗研究。The actuating and sensing abilities for the embedded piezoceramics are discussed in details. consequently, the actuating equations, when piezoceramics work as actuators, and sensing equations, when piezoceramics work as sensors, are derived
對其作動能力和傳感能力進行了詳細的推導，得到了埋入復合材料梁和板結構中壓電片的壓電作動彎矩方程和壓電傳感方程。Epdm colored granule is not only used in the track and field racetrack, all kinds of court, universities, middle and primary schools, stadium, still used in the slipresistance passway around the swimming pool, gymnasium, overpass, underpass, protecting such numerous respects as the place, ward, activity of disabled person and training court, distribution room, computer room of the army, the bathroom, kindergarten, nursery bottom game, etc
三元乙丙橡膠可用於製造耐熱輸送帶蒸汽膠管耐化學品腐蝕的密封製品極適用於橋梁碼頭軌道枕墊等緩沖及減振材料各種防水材料各種膠板和護套等它又是電線電纜的良好絕緣材料，特別適用於高中壓電纜還可製造各種汽車配件。In order to assure the bonded - strengthened beams to have ductility and fully exert the compressive capability of concrete, the paper deduces the lower limit compressive height used in design from the plane section assumption and theory of limit destruction. the lower limit compressive height is when the strain of compressive edge fiber reaches its peak value ( 0. 002 ) and the externally bonded material reaches its limited strain ( 0. 01 )
由平截面假定和界限破壞理論，並保證粘貼加固梁具有一定的變形能力和較為充分地發揮混凝土的抗壓性能，本文以受壓區混凝土邊緣應變達到峰值應變（ 0 . 002 ） ，而加固材料應變剛好達到極限值（ 0 . 01 ）的界限破壞時混凝土受壓區高度做為粘貼加固梁設計高度的下限值_ （ c0b ） h 。Standard test method for compressive properties of unidirectional polymer matrix composites using a sandwich beam
使用多層組合梁的單向聚合母體復合材料壓縮特性的標準試驗方法During elastic - plastic stage, the wall was equaled to a rigid frame - oblique compression bar model. during failure stage, the wall was equaled to a beam - hinged frame
彈性階段一一復合材料等效彈性板模型;彈塑性階段，一捆lj架斜壓桿模型;破壞階段一一梁鉸框架模型。Hamilton ' s principle are used to obtain equations of motion, which are discretized using finite element method. the frequency dependent damping of viscoelastic layer is modeled using the golla - hughes - mctavish ( ghm ) method and the system is analyzed in the time domain. ghm increases the size of the original system by adding fictitious dissipation coordinates that account for the frequency dependent damping
本文採用ghm模型描述粘彈性阻尼材料的本構關系，根據哈密頓原理分別對附加主動約束阻尼層結構（ acld ）和主被動阻尼分離結構（ acupcld和acopcld ，其中acupcld結構是將壓電作動層貼于粘彈阻尼層的下面， acopcld結構是將被動約束層和壓電作動層分別貼于梁的上下表面）的梁結構建立了有限元模型，進而得到系統控制狀態方程。Secondly, two carbon fiber reinforced composite beams were fabricated, and their modal frequencies were measured by an experiment method. thirdly, delaminations were modeled by pairs of nodes with the same coordinates but different node numbers, while the modal frequencies of these beams with different delamination location and size were computed by an eas piezoelectric solid element. moreover, a novel method combining computational mechanics and neural network was demonstrated for composite health monitoring ; the first five flexure modal frequencies obtained by fem were modified by a primary revising approach and were used to train the neural network
本文較全面地評述了神經網路的應用模型、改進演算法等，編制了bp神經網路程序：制備了纖維增強復合材料試件，並進行實驗模態分析；利用坐標相同、節點號不同的方法模擬脫層損傷，基於eas列式的壓電固體單元計算了不同脫層損傷情況下的頻率信息；針對基於實驗數據訓練神經網路存在樣本不足的缺陷，本文提出了利用有限元方法對含有脫層損傷的復合材料試件進行數值模擬，以前五階彎曲模態頻率構建訓練樣本的新思路，並提出了一種初步的計算值修正方法，以此構建神經網路的訓練樣本：將實驗模態分析的結果送入訓練好的神經網路進行預測，實現了對復合材料梁的脫層損傷的定位和損傷程度的評估。With the appearance of high strength concrete high tensile steel wire and cable, the cable - stayed bridge is more and more widely used and popular. it unites three diversely bearing structure style, compression tower tension cable and bending press beam, into one bridge style
斜拉橋是隨著高強度混凝土材料、高強鋼絲和拉索的出現才得到廣泛推廣應用的橋型，它把主塔受壓、拉索受拉及主梁受壓彎的三種不同受力的構件有機地組合在一個統一體中。Then, a step - by - step increase of vertical curvature is applied to the hull girder assuming that the plane cross section remains plane. at each incremental step, the stress of the cross section is evaluated using the average stress - strain curves of the elements as well as the incremental bending moment due to the curvature increment. performing sample calculations on existing girder models tests under pure bending, the rationality of the proposed method was examined
假設船體橫向框架材足夠強，因而板架的整體破壞不會發生；基於梁?柱理論、理想彈塑性假設、平面假設，建立了拉伸和壓縮加筋板單元的平均應力?應變關系曲線，應用船體結構總縱極限強度的簡化逐步破壞分析方法計算船體總縱極限彎矩，並據此開發了計算程序sus 。Keywords : micro - cantilever sensor, mechanical model, piezo - resistive materials, finite element method
關鍵詞：微懸臂梁感測器、力學模型、壓阻材料、有限元素法。分享友人