側力震動 的英文怎麼說

中文拼音 [zhāizhèndòng]
側力震動 英文
lfv lateral force variation
  • : 側形容詞[方言] (傾斜; 不正) slant; sloping
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : Ⅰ動詞1 (震動) quake; shake; shock; vibrate 2 (情緒過分激動) be greatly excited; be deeply ast...
  • 震動 : shake; shock; vibrate; quake; chatter; tremulation; succussion; oscillation
  1. 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、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隨上部結構荷載變化的規律; (二)通過單柱承載試驗,測定了古建築中木柱的受變形特徵、破壞模式、及模型材料的變形模量、極限承載、極限變形等參量; (三)通過柱架低周反復荷載試驗,測定了柱架的抗移剛度、柱架恢復特性及滯回曲線、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?抗移剛度,斗?恢復特性及滯回曲線,斗?抗壓極限承載及受變形規律; (五)通過抬梁式殿堂間架模型振臺試驗,測定了殿堂木構架結構自振周期,地反應振形、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。
  2. The notable torsion effects of the surface ground motion above the alluvial valley are illustrated and the torsion effects become stronger as the frequency of the incidence is higher. ( 4 ) antiplane surface motion of the underground circular soft inclusion and the underground homogeneous soft interlayer is investigated in this paper. the results indicate : surface displacement amplitudes just above the soft inclusion of small depth - to - width ratio is amplified and soft interlayer of small depth - to - thickness ratio is amplified to a certain degree, and moreover, the latter is lower limit of the former

    結果表明:垂直入射時,小深寬比軟夾塞上方地表位移幅值有較大的放大,小深厚比軟夾層的地表位移幅值也有一定的放大,且後者為前者的下限;波接近掠入射時,軟夾塞正上方地表點和軟夾層的中國地局工程學研究所碩士學位論文一地表位移幅值都沒有放大,而軟夾塞迎波面一地表點的位移幅值會有一定的放大;軟夾塞上方的地表位移運有較強烈的扭轉效應,且此扭轉效應隨入射波頻率的增高而增強。
  3. So the topic for farther discussion will be developed on the ground of soil - foundation - structure interactions, and em phasizes particularly on the investigation for dynamic effects on interaction of pile - supported structures subjected to lateral seismic load at layered - soil media. it will provide engineering application with practical and concise computational method, but also provides the aseismatic design for pile - supported structures with proper theory foundations and schemes to some extent on condition that definite codes are absent at present. the full article is divided into six chapters, as follows : 1

    本論文工作將圍繞地基-基礎-上部結構共同作用這一課題作進一步探討,重於水平地作用下層狀地基土中的樁基-建築物的相互作用的研究,為實踐應用提供了適合於工程目的的、比較簡捷的實用計算方法,亦擬為沒有明確規范指導的樁(土)基礎-結構抗設計提供一定的理論依據和設計建議。
  4. Considering special form of the boiler frame, the reconstruction and enforcement method, in addition dynamic analysis are given by particular steps : establishment of the model of boiler steel frame, determination of earthquake loads and distribution form, and anti - side force system for the frame to model and analyze, involving loads on the frame and above it, earthquake loads, damping, sway control installation, hanging bar and plate beam

    考慮鍋爐構架鋼結構的特殊形式,研究並提出了電站鍋爐鋼結構改造加固研究方法,及分析的具體步驟:建立了鍋爐鋼結構分析模型、地荷載分析方法、建立了鍋爐鋼結構布置型式、及整個鍋爐鋼構架抗體系模擬分析方法。具體包括:鋼構架本體及構架上荷載、地載荷與阻尼系數確定、制晃裝置確定、吊桿與大板梁簡化。
  5. In this paper, the author combines the theory analysis with the experiment research method, and discusses the seismic behaviours, 3d elaborate finite element analysis and simplified model analysis of a kind of multi - function tall building - " sub - shearwall supported by frame ", which is applied widely today. the main contents are as follows : in order to observe the failure process and the earthquake response of the complex structure, and to analysis the seismic behaviour of the structural system and structural members, a 1 / 20 cement mortor model of a complex tall - building which is about to be built was producted and the shaking table test of this model under 26 sorts of earthquake loads was made. using sap2000 finite element analysis program, a 3d analysis model was built in computer, and the elastic time - history analysis of the model was done

    本文採用理論分析和試驗研究相結合的方法,研究了目前應用較多的綜合性大廈? ?框支分區剪墻高層商住樓的抗性能及空間精細分析和簡化分析方法,主要內容為以下幾方面:對一擬建的復雜高層建築結構,採用1 20比例的空間整體模型,進行了26種工況下的模擬地臺試驗,觀察了結構的破壞過程和地反應,分析了結構及構件的抗性能;建立了結構的精細空間模型,利用sap2000n大型有限元分析程序對結構進行了彈性時程分析;通過有限元分析與試驗結果的對比,對結構的抗性能和抗做出綜合評價,認為該結構由於轉換層上部去掉部分樓板,既可滿足建築設計的通風、採光等要求,又可達到協調結構轉換層上、下樓層抗剛度的效果,是一種較理想的有多道抗防線的結構型式。
  6. After analyzing several examples with the program of sap2000, it is certified that properly chosing lateral load patterns according to the structural dynamic performance is able to reasonably capture the structual response attributes

    應用sap2000程序對算例進行分析,算例分析證實,根據結構的特性選擇合理的向荷載分佈模式能夠較好的模擬地過程中實際的結構受響應情況。
  7. The programs of genetics algorithms and the improved genetics algorithm are developed with c. putting some basic parameters of earthquake and other design data in the intelligent optimal design ' s program, the analysis results of lateral stiffiiess ( sectional dimension of members ), sectional reinforcement of members and structural inner forces will be gotten

    在改進的遺傳演算法優化程序中,只需要輸入一些基本的地參數及其他設計數據,就能給出結構移剛度優化結果(構件截面尺寸) ,同時還給出結構內和構件截面配筋率等分析結果。
  8. Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result

    西安理工大學碩士學位論文在水平地作用下,並考慮風荷載組合,分別對「矩形柱純框架結構」 、 「異型柱純框架結構」 、 「異型柱框一析架結構」及「異型柱框-剪結構」等四種結構體系,通過改變結構參數,運用空間有限元方法,進行地作用計算。系統地分析研究「結構振型」 、 「振周期」 、 「結構向剛度」 、 「結構地反應」 、 「樓層地」 、 「結構向位移」 、 「層間位移角」 ,以及「構件內」 。結果表明:在等面積原則下,異型柱代換矩形柱后,結構剛度增大,向位移明顯減小,地反應略有增加,框架柱軸壓比最大增幅小於8 % ,結構整體抗性能有所提高;當異型柱肢長肢厚比小於等於3 . 6時,結構有利於抗;水平地作用與整體坐標夾角為0度時,結構地作用效應較大,屬結構設計的控制因素之一;異型柱框一析架結構採用「人」字斜撐,向剛度大於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構向剛度大、位移小,構件內增大適中,是一種抗性能優越的結構體系:在抗設防烈度較高地區( 8度)和抗不利的建築場地( m類場地) ,採用異型柱結構體系時,應盡可能減輕結構自重,降低地作用;分別採用「振型分解反應譜」法和「時程分析」法進行地作用計算,兩種方法所得結果基本一致。
  9. The ratio of story shear rigidity as well as the equivalent lateral rigidity ratio of story above the transfer story to the story under the transfer story should be designed properly to avoid the transfer story becoming weak story, thus the shear walls and the columns in the large base will not yield before the elements above the transfer story ; ( 2 ) the translation - torsion coupled effects and the vibration in the plane should be considered in analysis of structure with large base and muti - towers

    轉換層的設計除應控制層剪切剛度比外,還應控制轉換層上部與下部結構的等效向剛度比以避免薄弱層出現在框支層,保證地作用下落地剪墻和框支柱不先於轉換層上部結構進入屈服狀態;大底盤多塔樓結構的分析必須考慮平扭耦聯振和樓板平面內振的影響。
  10. The rule of the axial force distribution in the src column summarized, and a reasonable formula for the axial force level ’ s calculation in src column is offered for the design. besides, the aseismic analysis methods for the src structures are listed, and the dynamic time history analysis and static push - over analysis for the whole structure are done. the character of the earthquake response in this kind of structure is analyzed and some advice for actual design is proposed

    同時分析了src柱中的軸分配規律,給出了比較合理的src柱軸壓比計算公式;另外綜合敘述了適用於src結構抗分析的方法,並且運用常用的設計計算軟體對整體結構進行彈性的分析和靜彈塑性分析,得出src柱對結構的整體抗性能有提高,可以在保證豎向承載的同時增大整體結構的抗,為以後的實際設計提供一定的依據。
  11. The numerical results show that the lateral ground displacement is one of factors that cause pile failures in liquefied ground. at the soft - hard interface, pile may overbear the ultimate moment which leads to bending and shearing failures. therefore, except the effect of large inertial loads from superstructure, the influence of the lateral ground displacement on pile foundation cannot be neglected in a seismic design of pile foundation in lateral spreading ground

    計算結果表明地基的向位移是與液化有關的樁基害的主要原因之一,在軟硬交界處樁可能承受了超出樁本身極限抗彎能的彎矩,容易發生彎剪破壞,在有液化擴地基中樁基的設計不能僅考慮上部結構的影響,地基的水平向位移對樁基的影響不容忽視。
  12. A cushioning device, such as a bundle of rope or a piece of timber, used on the side of a vessel or dock to absorb impact or friction

    緩沖裝置一種減小或沖撞的裝置,如一捆繩子或一塊木頭,用在船或船塢的面以承受撞擊或摩擦
  13. The previous researches on the seismogenic process emphasized particularly on single earthquake source model and theory, and studied the phenomena and mechanisms of long term medium term and short - term earthquake preparation process according to its temporal and spatial dynamic evolvement of stress field and strain field in earthquake source and its neighboring area

    關于地過程,早期的研究大多重於源模型和理論,圍繞地孕育發生過程中,源及其鄰近地區應場、應變場的時空態演化來研討其長、中、短、臨各階段的現象與機理,而較少涉及各地之間相互關系的研究。
  14. Now there ' re more attentions upon development, mechanics performance, computation module, dynamic analytic method of dampers at home and abroad for research on the energy - dissipation structures with viscous damped bracings, but research on conceptual design principles and additional damping ratio ' s determination are less and only localized in terms of the principle which restrict the expansion and application of the energy - dissipation earthquake - reduction technique

    國內外對粘滯阻尼消能支撐結構的研究多重於阻尼器的開發及其學性能、計算模型、分析方法等方面,而對與實際工程應用直接相關的概念設計原則、附加阻尼比的確定等方面的研究則相對薄弱,一般僅限於原則性條款,這制約了消能減技術的推廣應用。
  15. Lfv lateral force variation

    側力震動
  16. Typical earthquake records are selected and artificial earthquake wave under consideration are designed according to the response spectrum of chinese code. nonlinear time history analysis ( nl - tha ) to each building with the eight earthquake wave altogether as input are conducted, and the pushover analysis ( poa ) and the capacity - demand - diagram methods ( cddm ) analysis with five common lateral force patterns are carried out on each building

    分別對各結構進行典型地下的時程分析,以及採用五種常用分佈的pushover分析與能譜法分析,根據等頂點位移原則對比不同地強度下兩者的層間位移反應,對不同層數結構以及不同地強度下pushover分析的選取提出了建議。
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