有效抗剪剛度 的英文怎麼說
中文拼音 [yǒuxiàokàngjiǎngāngdù]
有效抗剪剛度
英文
effective shearing rigidity- 有 : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 抗 : Ⅰ動詞1 (抵抗; 抵擋) resist; combat; fight 2 (拒絕; 抗拒) refuse; defy 3 (對等) contend with...
- 剪 : Ⅰ名詞1 (剪刀) scissors; shears; clippers2 (姓氏) a surname Ⅱ動詞1 (用剪刀等使細的或薄片的東...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 有效 : effective; valid; efficacious
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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? ?框支分區剪力墻高層商住樓的抗震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種工況下的模擬地震振動臺試驗,觀察了結構的破壞過程和地震反應,分析了結構及構件的抗震性能;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,對結構的抗震性能和抗震能力做出綜合評價,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、下樓層抗側剛度的效果,是一種較理想的有多道抗震防線的結構型式。Specifically, according to the w - w five parameters failure theory, the fracture criterion of crack is established, and the state of crack ( open or close ) is judged by the values of the crack strain. combining the two points, the predict - model about the failure of concrete material is established. this predict - model can predict 16 failure forms, and basing the different failure form predicted after crack, the stress - strain relationship matrix of concrete material is adjusted
具體來講,根據w - w的五參數混凝土破壞理論,建立混凝土的開裂準則,根據開裂應變值來判斷裂縫是張開還是閉合,從而在兩者基礎上建立了裂縫的開裂預測模式,總共有16種開裂模式;裂后根據具體的開裂模式及殘余抗剪能力來調整混凝土的本構關系矩陣,即用等效剛度代替原有剛度,考慮到垂直於裂縫方向的剛度為零,這樣會使裂后的總剛出現病態,為此文中通過引用鬆弛系數來對出現裂縫的單元進行預處理,一方面可解決因過大的舍入誤差導致計算結果的不可信問題,另一方面就是可加速收斂。The seams divide the wall into several units and the hollow shear wall of r. c w ith vertical seams has small self - weight, small stiffness and good ductility. due to having air insulation, it has good energy saving capability. so this new type shear wall structure will be a kind of ductile structure with advanced seismic behavior
針對傳統剪力墻結構的弱點,本課題提出帶豎縫鋼筋混凝土空心剪力墻板結構,此種墻板在墻體上設有豎向縫隙,將整塊墻板分成若干墻肢單元,具有自重輕、剛度小、延性大的特點,由於墻板中間有空氣夾層,保溫、隔熱效果也較好,以此種墻板為主體的空心剪力墻結構體系是一種抗震性能優良的「延性剪力墻結構」 。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。At the same time, the paper expounds the calculation theory and force character, i ncluding wall stiffness, equivaluent stiff, covert stiff, displaceme of single wall, entire stiffness calculation and internal force analysis etc. on the basis of the above theory, the paper carries on the program analysis and frame design of light composite wall
本論文系統地研究了lc復合墻結構設計理論,提出了一個有所見解的平面抗側力分析模型。論述了剪力墻的受力特點及計算方法,包括每一類剪力墻的剛度、等效剛度、折算剛度、內力位移計算及整體單向抗側力結構計算等內容。Frame supported short pier shear wall structure with transition floors is a useful structure pattern with good ability in resisting seismic load. the lower part is frame with large opening column - grid while the upper part uses short pier shear wall with wide openings. so this structure decreases the difference between stiffnesses of lower part and upper part
帶梁式轉換層的短肢剪力墻結構,其下部結構為大開間的柱網框架,上部結構採用開洞較大的短肢剪力墻,有效地降低了轉換層上下結構之間的剛度差異,因而是一種抗震性能較好的結構型式。When whole analysis is carried through the beam - lattice method and bridge surface is made of box beams with one box and two cells, according to the principle of constant bending rigidity and every part revolving the same neutral axis, a box beam can be simplified into three beams in the places of corresponding webs. thus effective transfer of shearing force can be ensured, and global property can be reached through that of three beams, this kind of method is simple and is able to ensure engineering precision ; secondly, the paper is based on elastic theory, adopts finite element method and carries through the first kind stability analysis towards zhongshan no. one bridge
在選用梁格法進行整體分析時,遇到橋面系是單箱雙室的箱型梁時,按照抗彎剛度不變且各部分繞著同一中性軸的原則,將一個箱型梁在相應的腹板處簡化成3根梁,能夠保證剪力的有效傳遞,而且可以由這劃分的3根梁的性能得到箱型梁結構的總性能,這種方法簡便易行且能保證工程精度;其次,本文基於彈性理論,採用有限元法對中山一橋進行了第一類穩定分析。Lightweight frame structure of multi - ribbed wall panel is a new type of structure, which lightweight, big rigidity, good anti - seismic capacity, to economize energy resource, good social benefit and green environment protection are different from ordinary frame and shear wall
密肋壁板輕框結構是一種自重輕、剛度大、抗震性能好,節能效果佳、社會效益高、綠色環保新型結構體系,它有別于普通的框架結構和剪力墻結構。The experimental results show that the seismic behavior of strengthened joints is improved significantly by the scheme, which successfully enhances the shear capacity by about 22 %, transforms the failure mode to be ductile, raises the ductility coefficient over 4, delays the strength degradation and stiffness degradation, and upgrades the energy dissipation capacity
試驗結果表明:加固能夠有效地提高節點的極限受剪承載力22 %左右,改變節點的破壞模式為梁端延性破壞,提高節點的延性系數到4以上,改善節點的承載力退化和剛度退化,提高節點的能量耗散能力,從而顯著改善了樑柱節點的抗震性能。分享友人