shear history 中文意思是什麼
shear history
解釋
剪切過程-
Then the judging method is proposed, and the proposed method can consider the stress history and viscosity shear strength of soft soil. in this paper, a fem program dpfbm1. 0 ( double plastic foundation beam method ( version 1. 0 ) ) is established. with this program, the influence of some parameters on foundation excavation is fully studied, the parameters include : compression modulus, cohesive strength, angle of internal ficiction, effective angle of internal friction, the embedded length of the wall and building load
針對當前國內外彈性地基梁法存在的缺陷，基於對軟土流變性的研究，採取了剪應力判斷彈塑性狀態，以改進和完善基坑工程彈性地基梁法，推導了彈性狀態下地基反力系數的近似解，提出了採用剪應力組合判斷土彈簧彈塑性狀態的方法，編制了相應的彈塑性共同變形法分析程序dpfbm1 . 0 （ doubleplasticfoundationbeammethod （ version1 . 0 ） ） ，並採用該程序分析了壓縮模量、粘聚力、內摩擦角等參數變化對基坑工程的影響。 -
To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high - position transfer story structures. first the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived. then combined with an actual engineering model ( 1 8 similar ratio ), the static loading and pseudo - dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete. seismic behaviors are analyzed, including inter - story displacement, base shear - displacement skeleton curves, and equivalent viscosity - damping curves. a program is programmed to carry out the elasto - plastic dynamic analysis, and displacement time - history curves of the two models are derived. the test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors. it can solve the disadvantages of laminated vierendeel trusses used in transfer story structures. finally, some design suggestions are put forward, which can be referenced by similar engineering
為滿足建築物大空間和靈活隔斷要求，在高位轉換層結構中採用迭層空腹桁架結構.首先分析了其受力性能，得出了空腹桁架各構件合理的截面剛度以及布局形式.然後結合一實際工程，進行了兩榀迭層空腹桁架轉換結構模型（ 1 : 8相似比）的豎向荷載下靜力試驗以及擬動力試驗.其中一榀為普通混凝土迭層空腹桁架，另一榀配置了預應力和鋼骨混凝土，對比分析了兩模型的層間位移比、骨架曲線以及等效粘質阻力系數等抗震性能的比較，並進行了彈塑性動力分析.試驗和分析結果表明，配置預應力和型鋼混凝土的迭層空腹桁架轉換結構具有良好的抗震性能，可以成功地解決迭層空腹桁架作為轉換層結構所產生的弊端問題，最後對這類轉換層結構提出了相應的設計建議 -
The development of shear band was researched by analyzing the confining pressure - time history, volumetric curve and displacement field of pfc model
通過分析圍壓時步曲線、體變曲線和不同階段的顆粒位移場的變化規律，研究了剪切帶的形成與發展規律。 -
The authors use etabs program to build finite element model of the seismic - isolation structure, through time - history analysis of the structure which uses the lead rubber hearing setting with different initial shear stiffness, and give reasonable advice to setting initial shear stiffness of the lead rubber bearing used in the seismic - isolation design
摘要運用etabs建立隔震結構的有限元模型，對鉛芯隔震橡膠支座屈服前剛度不同取值的隔震結構進行了時程分析，通過對比分析，給出了隔震設計中的鉛芯隔震橡膠支座屈服前剛度取值的合理建議。 -
A more reasonable method to calculate soil ' s damage value is advanced, which bases on extrema of irregular dynamic shear stress. previously it bases on peaks of shear stress to calculate damage value, but by this method the destructive action of multi - point inputted earthquake is overestimated, especially in the second half section of responding shear stress " time history the shear stress caused mainly by differential force undulate slightly on one side of its zero line
以往計算土體在不規則的動剪應力作用下的損傷值根據的是動剪應力的峰值，在時域內多點輸入分析中，由於差動力的的存在，使得時程後段動剪應力不穿零而在一側做幅度不大的波動，基於峰值的損傷值計算特別過高地估計了這段剪應力的破壞作用，過高的程度還隨延時增加而增加。 -
The nonlinear analysis of reinforced concrete shear walls includes static analysis method, time - history analysis method and push - over analysis method
剪力墻結構的非線性分析方法主要有靜力法、動力時程分析法和側推分析方法（即push - over分析方法） 。 -
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。 -
Abstract : in this paper, for the brick structure with frame - shear wall in the first story, the principle of determining the parameters of a laminated rubber bearing such as stiffness, yield strength and axis press stress was discussed ; and the vibration - isolation effectiveness was tested by analyzing a representative project using nonlinear time - history analysis method. some suggestion was made to design and analyze brick structure with ground frame - shear wall on rubber vibration - isolation system
文摘:討論了底框結構橡膠墊隔震層的剛度、屈服強度、軸向壓應力等參數的設計原則，以典型工程為例，採用彈塑性時程反應分析方法，檢驗了底框結構使用橡膠墊隔震層后的隔震效果，對底框結構基礎隔震設計與分析方法提出了一些建議。 -
These clearly demonstrate that the mcc formatted by long - history processes with poly stages. by strain analysis, the fabrics deformational style of the yagan mcc are mainly shearing type, the yagan mcc is mainly a thinning shear zone with volume loss, which varies from - 31 % ~ - 58 %. analysis of kinematic vorticity ( wk varies from 0. 453 - 0. 809 ) shows shear type of the shear zone is neither pure shear nor simple shear but general shear
應變分析表明，亞干變質核雜巖主期變形為以剪切變形為主（羅德系數u在0 . 08 ? 0 . 32間）壓扁次之（ u0 . 89 ）的變形類型，核雜巖區為一有體積損失的減薄型剪切帶，體積損失率達- 31 ? - 58 。 -
First, one type of sma - based passive energy dissipation device was developed to utilize pseudo - elastic property. then, according to the characteristic of response of the passive energy dissipation systems, adapting the bilinear restored force model, the mof shear type elastic - plastic time history analysis program is compiled. the vibration - suppressed is verified and vibration control mechanism of sma dampers is studied by time - history analysis
首先利用sma的超彈性性能，設計了一種新型的耗能減震裝置；其次，結合耗能減震結構的動力反應特點，採用雙線性模型，編制了耗能減震結構串聯多質點體系彈塑性時程分析程序，通過對有控結構和無控結構的地震響應分析比較，檢驗了sma耗能器的被動控制效果，探討了其控制機理。
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