earthquake control 中文意思是什麼

earthquake control 解釋
地震防治
  • earthquake : n. 1. 地震。2. 大變動,動亂。
  • control : n 1 支配,管理,管制,統制,控制;監督。2 抑制(力);壓制,節制,拘束;【農業】防治。3 檢查;核...
  1. The appropriate maximum stories and the appropriate maximum height of buildings are determined by using the various of control index, such as period, shear - compression ratio, allowable value of drift angle etc when earthquake fortification intensity is 8 degree

    用各項控制指標,如周期、剪壓比、軸壓比、層間位移角等進行對比分析,給出在8度區該結構的最大可建造層數和最大適用高度。
  2. 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,及動力分析的具體步驟:建立了鍋爐鋼結構動力分析模型、地震荷載分析方法、建立了鍋爐鋼結構布置型式、及整個鍋爐鋼構架抗側力體系模擬分析方法。具體包括:鋼構架本體及構架上荷載、地震載荷與阻尼系數確定、制晃裝置確定、吊桿與大板梁簡化。
  3. According to the shear - type floor model of frame structure, a basic control equation is constructed to analyze the nonlinear seismic responses of structure equipped with edd - bracing system. subsequently the dynamical finite element analysis are carried on to obtain the seismic response of a twelve - floor r. c frame with the three edd - bracing system under minute earthquake and disastrous earthquake, and the conclusions provide useful references for practical earthquake - resistant design

    基於框架結構剪切型層模型,建立了耗能阻尼器對建築結構非線性地震反應的基本控制方程,由此進行了某十二層鋼筋混凝土框架結構設置三種耗能阻尼器在多遇和罕遇地震下的動力有限元分析,為進行實際結構設置耗能阻尼器的抗震設計提供了有益的參考。
  4. The results of test and theoretical calculation indicate that the friction device does not slide under minute earthquake, thus the control effort of f - ved corresponds with ved, and the action of frd is the same as pure brace. when disastrous earthquake occurs, the viscoelastic material reaches its shear limits and the friction device begins to slide, so the control effort of f - ved is the best

    試驗結果和理論計算結果表明,在多遇地震下摩擦機構不起滑,粘彈性-摩擦阻尼器的減振效果和純粘彈性阻尼器相當,而摩擦阻尼器的作用相當于純支撐;在罕遇地震下粘彈性材料達到剪切極限,摩擦機構起滑,故粘彈性-摩擦阻尼器的減振效果最好。
  5. The load case reckoned in horizontal earthquake action was design control load case

    ( 3 )從構造措施一上著,各類構件均有不滿足的情況。
  6. This article described the deformation features of taojiaba landslide and analyzed the inner factors, geologic setting, topography, morphology, stratum, lithology and texture, and the external influence factors, precipitation, flood, human activity, neotectonic activity and earthquake, and the transform features of landslide in the near future, and evaluate stability of landslide through the section coefficient method calculation on basis for landslide mechanism analysis and control work

    摘要陶家壩滑坡基本特徵顯示,滑坡變形的主要影響因素有:地質環境因素(地形地貌、地層巖性、物質結構) 、外界影響因素(降水因素、洪水因素、人為因素、新構造及地震) ,以及滑坡近期變形特徵,通過剖面遞推系數法計算,對滑坡的穩定性進行了評價,為滑坡機制分析和優化整治措施提供依據。
  7. All of the above will be a basis for the studies of flow load control, power supply recovery and damage loss mitigation of power system after earthquake

    該工作可為震后電力系統負荷快速調整、震區供電系統較快恢復電力供應,減少供電工程系統的損失提供理論分析依據。
  8. Assistance will be given to facilitate earthquake resistance checks and renovations with respect to the many dilapidated wooden houses located in the " development areas ", which will impede evacuation, fire control and rescue activities in the event of their destruction during a major earthquake

    將會對位於「整備地域」的許多易毀木結構房屋的抗震檢查和修復提供援助,大地震時這些木結構房屋會給避難滅火和援救活動造成困難。
  9. He said, " that night we pitched a tent out in our backyard and we slept in the tent because we were afraid the house wouldn t stand up. " he said, " that totally changed my worldview and my perception of life because up until that time, i had the impression or the thought that adults were in control and they had security and they gave me security. during the earthquake i saw people panic and the panic was such that people were clearly out of control

    他說:當晚我們就在後院搭起帳篷,在那裡過夜,因為恐怕房子會倒塌,那件事完全改變了我的世界觀,以及我對人生的看法,因為在那之前,我有一個印象或想法,總覺得大人能掌控一切,他們有安全感,他們也能給我安全感,但地震發生后,我看到人們的惶恐,惶恐得失控,八歲的孩子,看見大人們這樣的失控,我發現自己感到極不安全,對一切都沒有把握。
  10. In this thesis, the dynamic models of a specific precise instrument in spacecraft are established and an active vibration isolation system based on piezoelectric intelligent structures is constructed. theoretical analysis and numerical simulation on this system has been carried out. piezoelectric intelligent structure is applied to civil engineering. the piezoelectric intelligent control devise is used for the control of translation - torsion coupling responses of multi - story frame structure suffered from earthquake

    本文還將壓電智能結構主動隔振的理論和控制方法應用到土木工程領域,利用一類壓電材料控制器對平移-扭轉耦聯的框架結構進行了主動隔震,模擬結果顯示:結構各層的平移和扭轉均得到顯著減小,表明將智能結構系統用於結構地震反應主動控制中的可能性。
  11. ( 5 ) the piezoelectric intelligent control devise is used for the control of translation - torsion coupling responses of multi - story frame structure which is suffered from earthquake. the results of an example illustrate that this intelligent control devise can effeiciently reduce the structual translation - torsion coupling responses induced by earthquake

    ( 5 )利用一類壓電材料控制器對平移-扭轉耦聯的框架結構進行了主動隔震研究,並對其進行了模擬分析,結果顯示出良好的隔震效果和應用前景。
  12. The analysis on unilateral, bilateral and lateral - torsional coupled seismic response of base - isolated structures with combined isolation systems is carried out, and the control of lateral - torsional coupled seismic response of structures is discussed. the energy analysis on base - isolated structures is conducted by energy method. the influence on the total input earthquake energy owing to the frequency, intensity and lasting - time of earthquake and so on is studied

    採用能量方法,建立基礎隔震結構能量反應方程,對基礎隔震結構地震反應進行能量分析,研究地震動的頻譜特性、幅值、持時、上部結構自振周期及隔震系統動力性能等因素對結構總輸入能量的影響;並對基礎隔震結構進行耗能分析,研究結構總輸入能量在結構中的分配,為基礎隔震結構能量設計提供依據。
  13. The attenuation indexes of vertical direction components and level radial components of blast earthquake wave in the condition of far range are all larger than the one in the condition of close range. based on upwards analysises, relevant control ways and safety defending technology of blast vibration are given from the aspects of blast equipments, blast parameters, landform physiognomy, blast methods. and taking the practical data from blast scene as the sample, the blast shockproofness are forecasted by the feedforward nerve network model based on the prior knowledge of blast shockproofness, the regress analysis method and experience formula method, which supply the technology gist for

    並且,以爆破現場的實測數據為樣本,採用基於爆破震動強度先驗知識的前饋網路神經模型、回歸分析法及經驗公式法分別對爆破震動強度進行了預測研究,為爆破施工參數的確定提供了技術依據,確保整個爆破工程順利安全進行,並對這三種方法的預測結果進行了對比分析;對比分析表明,三種預測方法計算出來的結果精度相差甚大,從檢驗樣本值與預測結果值之間的相對誤差可以看出,人工神經網路法預測的結果較其他方法更接近於實際值,回歸分析預測法的精度又要高於經驗公式預測法。
  14. After the mechanical model and the dynamic differential equations of the buildings are set up and solved using the theory of structure dynamics, the base isolated system, the tmd system, and this up - low control system are discussed. the analysis results show that the stiffness and damp of the superstructure are variables that play important parts in the effects of earthquake response ' s decreasing. secondly, finite element models are established to analysis the mechanical performance of bawangfen subway platform with upper two buildings in beijing

    藉助于ansys - v5 . 7有限元分析軟體,本文還對設置和未設置減震層的北京八王墳地鐵車輛段大平臺結構?上部住宅系統進行了有限元建模,並對這兩個系統的模態和三維地震動作用下的非線性地震反應進行了大量的計算分析,對比了對應於4條地震波的8度小震、中震和大震情況下減震體系和非減震體系的層間剪力和層間位移等反應。
  15. Then at the elastic - plastic state taking advantage of the brace and eccentric distant, we can control the inelastic deformation of the braced frame. the reinforced concrete frames with eccentric brace conform with the earthquake - resistant principle and its seismic properties have improved remarkably. during the lowly circular and repeated loading, the load - bearing, deformation, and ductility of the eccentrically braced reinforced concerete frames were measured

    偏心支撐鋼筋砼框架的設計意圖是當結構在抵抗外力作用時,在彈性階段結構有較高的抗側剛度,而當結構進入彈塑性階段時,利用支撐和耗能段梁的變形使結構的非彈性變形可控,體現了抗震結構「先剛后柔」的原則,使鋼筋砼框架的抗震性能得到有效地改善。
  16. A / d converter ( adc ) is the key device in the interface between analog and digital system, is widely applied in the field of radar, communication, electronic countermeasure, sonar, satellite, missile, control system, earthquake, medicine, instrument, video device, audio device and so on

    A / d轉換器( adc )是模擬系統與數字系統介面的關鍵部件,長期以來一直被廣泛應用於雷達、通信、電子對抗、聲納、衛星、導彈、測控系統、地震、醫療、儀器儀表、圖像和音頻等領域。
  17. This dissertation has studied the structural model and model predictive control ( mpc ) algorithm that was first implemented for the structural vibration control of the tall building under earthquake excitation. based on analyzing structural motion equation and the state space form equation of the earthquake - excited structural model of the tall building, predictive model and control objective functions are defined and the mpc system of the tall building is set up

    本文主要研究高層建築結構振動控制的結構模型和預測控制演算法,首次將預測控制應用到高層建築結構地震反應控制中,在分析受地震波激勵的高層建築結構模型的運動方程及其狀態空間形式方程的基礎上,確定預測模型和控制目標函數,建立高層建築結構預測控制系統,從理論上對預測控制在高層建築結構振動控制中的應用進行研究。
  18. Earthquake precursor observation instrument part 1 : interface and control of sensor

    地震數據分類與代碼第一部分:基本類別
  19. 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震作用下,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,進行地震作用計算。系統地分析研究「結構振型」 、 「振動周期」 、 「結構側向剛度」 、 「結構地震反應力」 、 「樓層地震剪力」 、 「結構側向位移」 、 「層間位移角」 ,以及「構件內力」 。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,側向位移明顯減小,地震反應力略有增加,框架柱軸壓比最大增幅小於8 % ,結構整體抗震性能有所提高;當異型柱肢長肢厚比小於等於3 . 6時,結構有利於抗震;水平地震作用力與整體坐標夾角為0度時,結構地震作用效應較大,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,側向剛度大於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構側向剛度大、位移小,構件內力增大適中,是一種抗震性能優越的結構體系:在抗震設防烈度較高地區( 8度)和抗震不利的建築場地( m類場地) ,採用異型柱結構體系時,應盡可能減輕結構自重,降低地震作用力;分別採用「振型分解反應譜」法和「時程分析」法進行地震作用計算,兩種方法所得結果基本一致。
  20. The principal content in this paper is the study for passive control systems of earthquake response of structure using sma damper

    本文的主要內容是sma耗能器對建築結構地震反應被動控制的研究。
分享友人