earthquake fortification 中文意思是什麼

earthquake fortification 解釋
抗震設防
  • earthquake : n. 1. 地震。2. 大變動,動亂。
  • fortification : n. 1. 築城,築壘,設堡;築城學[術]。2. 〈常 pl. 〉防禦工事。3. 堡壘,要塞。4. (酒精、維生素)含量的增加,強化。
  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. Because of its many advantages, the tapered portal frame is getting more and more application. ( ( technology code of light steel structure of portal frame ) ) ( cecs 102 : 2002 ), our country enacted, does n ' t define conditions that tapered portal frame needs anti - earthquak - e design. but mentions in illustration of rules : when earthquake fortification intensity is 7 degree, the portal frame does n ' t need anti - earthquake checking generally ; but for 8 degree and above, horizontal just with lengthways frames both need anti - earthquake checking

    楔形變截面門式剛架山于其諸多的優點得到越來越廣泛的應用,我國頒布的協會標準《門式剛架輕型房屋鋼結構技術規程》 ( cecs102 2002 )中沒有對變截面門式剛架需要進行抗震設計的情況進行具體規定,但在後面的條文說明中提到: 「當抗震設防烈度為7度時,一般不需做抗震驗算;當為8度及以上時,橫向剛架和縱向框架均需做抗震驗算。 」
  3. The earthquake fortification level and the seismic performance level of structure are introduced in the thesis ; in the push - over method and quasi - static test analysis, basic concepts, development histories, the present state and their future of development ; several computing methods of structure damage and judging the grade of structure damage are simply introduced

    介紹了包括地震設防水準、結構抗震性能水準等基本概念;介紹了靜力彈塑性分析方法( push - over方法)和擬靜力循環往復加載分析方法的概念、發展歷史、現狀與研究前景;並簡要闡述了計算結構損傷和判斷結構損傷等級的一些方法。
  4. In this paper, base on the synthetic analysis of the earthquake hazard of laiwu city, the anti - seismic fortification standards ( the design intensity and the seismic design dynamic coefficient ) in diferent areas of the city are given

    本文在綜合分析萊蕪市地震危險性的基礎上,對萊蕪市萊城區抗震設防標準(設防烈度及設計地震動參數)進行了研究。
  5. 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。
  6. The deformation analysis was made to a 12 storey reinforcement concrete structure, building in site condition ii, earthquake fortification level 8, by a program idarc - 2d which is put forward by the state university of new york at buffalo. the strong ground motion records obtained from pacific earthquake engineering research ( peer ) stiong ground motion database. thirty - eight waves were selected from the database by sorting the site condition and peak ground acceleration a comparison was made to the thirty - eight records " response spectra and the design response spectrum. thirteen waves were selected to the deformation analysis, el - centro wave and taft wave were added as a comparison. the result of computation shows that the selected waves damaged the structure severely than the el - centro wave and taft wave

    利用idarc - 2d對一建於8度類場地上的12層鋼筋混凝土框架結構進行了大震下的變形驗算。強震記錄取自加州國家地震中心強震數據庫,按場地類別和峰值加速度對數據進行分類處理,從中選出38條波進行反應譜的擬合。最終選定擬合較好的13條波進行本次試算,作為比較加入了常用的el - centro波和taft波。
  7. In the end, the paper sums up the calculation results, and reviews the whole performance of this type of structures under earthquake actions. except that, it reviews the structures " security about the translation - and - torsion coupling response under the fortification and rare seismic actions, and gives a primary evaluation ; it also discusses some characters of the structures " three - dimensional nonlinear response of torsion under earthquakes

    通過對分析結果的歸納整理,考察了按照新規范設計的這一類不規則框架結構的總體抗震性能;驗證了結構各自在中震和大震作用下抗扭設計方法和措施的安全性,對結構在平?扭耦聯振動下能否達到「中震可修」 、 「大震不倒」的抗震設防目標進行了初步評價;同時也對這一類不規則鋼筋混凝土框架結構在地震作用下的三維非線性動力扭轉反應規律作了初步的探討。
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