低周反復作用 的英文怎麼說

中文拼音 [zhōufǎnzuòyòng]
低周反復作用 英文
low frequency cyclic action
  • : Ⅰ名詞1 (圈子; 周圍) circumference; periphery; circuit 2 (星期) week 3 [電學] (周波的簡稱) c...
  • : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
  • : Ⅰ形容詞1 (重復) repeated; double; duplicate 2 (繁復) complex; compound Ⅱ動詞1 (轉過去或轉過...
  • : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  1. In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented

    本文借鑒鋼框架節點構造,設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點,包括常規栓焊( wfp )節點、翼緣全螺栓連接( bfp )節點、雙t板連接( dst )節點以及加勁端板連接( sep )節點,進行了四類節點8個模型試件在柱端荷載下的抗震性能試驗研究,比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵,主要結論有: 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈,沒有或略有捏攏現象,耗能能力強; 2 、軸壓比對節點滯回曲線有顯著影響,全部節點都有顯著的剛度退化; 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下降段,具有良好的延性性能; 4 、從整體抗震性能上看,翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點,可在實際工程中加以推廣。
  2. This paper is focused on a series of experiments including two kinds of large - scale composite walls with different joint fashion under low cyclic loadings. the experiments are carried out in order to know the seismic of composite walls out - of - plane and research the impact of deformation out - of - plane on carrying ability in - plane, experimental design reference is expected to achieve and tech support provide

    為了彌補這方面的研究不足,本文對兩種連接方式足尺合墻片進行了荷載下的恢力試驗,以了解配筋砌塊合墻的平面外抗震性能,同時研究平面外變形對墻體平面內抗震性能的影響,為配筋砌塊合墻的設計提供依據。
  3. It is designed a contrast experiment on two sets of two - span and two - story rc frames under low cycle reversed loading, one frame has construction joints while the other has not

    摘要對一組留置施工縫,一組未留置施工縫的兩組單榀兩層兩跨框架結構進行了荷載下的試驗研究,對兩組框架的滯回性能、延性、剛度退化等性能了深入的分析。
  4. Though much progress has been achieved in previous study, there still remains a lot to be studied and perfected. the thesis is devoted to study on the multi - ribbed slab wall, the main bearing member in mrss, including its mechanism, failure mode, aseismic capability, mechanical models, ultimate bearing capacity and aseismic design based on control. the paper mainly accomplished such work as follows : 1 ) based on test research on multi - ribbed slab wall, the paper proposed the member ' s failure modes under horizontal loads, analyzed the co - performance between the inner frame and the infilled silica bricks and that between the slab and the outer frame, discussed the wall ' s bearing capacity, rigidity, deformation, ductility and energy dissipation ability in different modes, and put forward a simplified mechanical model of the slab wall under vertical loads

    本文針對密肋壁板結構的主要受力構件? ?密肋合墻體為研究對象,就其受力機理、破壞模式、抗震性能、三階段力學模型、極限承載能力以及基於控制的抗震設計方法等進行了較為詳細的研究,完成的主要工有: 1 )通過對密肋合墻體在水平荷載和單調荷載下的試驗研究,提出了墻體的主要破壞模式;分析了框格與內部填充砌塊、墻板與外框的共同工的受力特點;探討了不同破壞模式情況下墻體的承載能力、剛度、變形、延性、耗能等抗震性能,並給出了豎向荷載下密肋合墻體的簡化力學模型。
  5. The influences of different reinforcement style of the concealed bracings and different span - height ratio of lintel beams on bearing capacity, stiffness and deterioration process, ductility, hysteresity capacity, energy dissipation and failure features of coupled shear wall were studied through experiment of 7 specimens under low cyclic loading

    通過7個結構試件在荷載下的試驗,研究了不同暗支撐配筋形式、不同連梁跨高比對雙肢剪力墻的承載力、剛度及其衰減過程、延性、滯回特性、耗能、破壞特徵等方面的影響。
  6. The main contents are as follows. by the experiments of two joints under low - reversed cyclic loading, the paper analyzes the failure pattern, energy dissipation, ductility and cracking in the joint cores, evaluates the seismic performances and anti - crack behaviors of the joints, and deduces the anti - crack formula of the subassemblage and prestressed frame joint. through the fini te element analysis software ansys, the paper analyzes the specimens nonlinearly, and the theoretical analysis results are well consistent with those of the experiment

    主要內容包括:通過兩榀節點在荷載下的試驗,分析其破壞形態、耗能能力、延性性能和節點核芯區裂縫開展情況,評估節點的抗震性能和抗裂能力,推導出預壓裝配式框架節點的抗裂驗算公式;並運ansys對試驗中的節點進行了非線性分析,計算結果與試驗結果基本吻合。
  7. This paper attempts to research the seismic behavior of joints between concrete - filled steel tubular core columns and prestressed concrete beams under reversed cyclic loads, in order to make the joints become a good kind of seismic system

    本文旨在對鋼管混凝土核心柱與預應力混凝土梁框架節點在荷載下的抗震性能進行研究,以便使這種節點最終成為一種完善的抗震體系。
  8. Then the coupling beams with new reinforcement layout were made an inquiry into, and the improvement on the seismic behavior by coupling beams diagonally reinforced with a few rows in end regions was found out at last, based on the observations of the experimental phenomena and the analysis of the measurement result, and by the comparison of seismic behavior by making use of hysteretic response, ductility and energy dissipation behavior, a conclusion is presented : the code for design and construction of reinforced concrete high - rise structures ( the draft asked for advise hi 2000 ) ca n ' t ensure that the coupling beams have fairly good seismic ductility ; the result of improvement of the seismic ductility of the coupling beams by the increase hi stirrups besides the strengthen of longitudinal detailing reinforcement was n ' t obvious ; the coupling beams diagonally reinforced with a few rows in end regions have fairly good mechanisms, and the ductility and the behavior of energy dissipation are better than conventionally reinforced concrete coupling beams, so it is suitable to te tised in short coupling beams

    本文通過對三根小跨高比(均為l h = 1 . 0 )剪力墻洞口連系梁在荷載下的試驗,了解了嚴格按《鋼筋混凝土高層建築結構設計與施工規程》 ( 2000年徵求意見稿)設計的連梁具有的抗震性能,研究了採取增大連梁配箍量同時加強縱向構造筋的方案對抗震性能的影響,並進一步對新的配筋形式的連梁進行了探討,了解了在連梁梁端配置多排交叉斜筋方案對連梁抗震性能的改善。通過對試驗現象的觀察和量測結果的分析,利荷載?位移滯回曲線、延性和耗能性能等指標對各個試件的抗震性能進行了比較,最後得出結論: 《鋼筋混凝土高層建築結構設計與施工規程》 ( 2000年徵求意見稿)不能保證小跨高比連梁具有較好的抗震延性:通過增大連梁配箍量同時加強縱向構造筋的方案對改善連梁的抗震延性的效果不太明顯;梁端配置多排交叉斜筋的連梁具有相對較好的受力性能,其延性和耗能性能等各項性能指標均優于普通配筋連梁,宜在深連梁中採
  9. Made up of two - storied lower huge platforms and three - storied upper building structures in the scale of 1 / 4 from the prototype, the model is tested under cyclic loading, and thus conducting the experimental study of the structure ' s capacity, stiffness, ductility, hysteresis capacity, yielding mechanism and failure phenomenon

    通過對包括有大平臺兩層結構和上部三層結構的四分之一縮尺模型,在荷載下的試驗研究,重點分析了大平臺上部結構和下部結構的承載力、剛度、延性、滯回特性、屈服機制和破壞特徵等。
  10. First of all, the paper carried out test study on four two - spanned model members of fsmrcwb, including three 1 / 2 - scaled two - storeyed models and one 1 / 3 - scaled three - storeyed model. the study considered such factors as span ratio - l1 / l2, height - span ratio - hb / l of the beam, and cavity etc. the paper analyzed the test results, including analysis on mechanical property of the composite wall beam under vertical loads, and failure mode, deformation capacity, aseismic performance under horizontal loads and constant vertical loads

    首先,進行了三個兩跨兩層和一個兩跨三層的框支密肋合墻梁的模型試件試驗研究,主要內容包括:框支密肋合墻梁在豎向荷載下的受力性能,在豎向荷載與水平荷載共同下的受力性能、變形性能、滯回性能和破壞形態,並將框支密肋合墻梁試驗與框支砌體墻梁試驗進行對比分析。
  11. 5 results of an experimental investigation on shear behavior of l, t and + - shaped columns are presented. the effects of shear - span ratio, axial compression ratio, stirrup contents and loading direction on shear behaviors of l, t, and + - shaped columns are discussed. combining with test data of others, the formulas for shear strength of l and + - shaped columns are given

    5對l 、 t 、十形柱受剪性能進行了荷載試驗研究,討論了剪跨比、軸壓比、配箍率、荷載方向對l 、 t 、十形柱承載力和延性的影響,並結合他人試驗結果,提出了l 、十形柱的偏下線受剪承載力公式。
  12. According to the pseudo static tests on two specimens of transfer floor from inclined column to framed short - leg shear wall, which are subjected to the vertical loads and the horizontal cyclic loads, in this paper the stress distributions, final failure model of the specimens, paths of the load transfer and the mechanical behaviors of the transfer beam are studied in detail, the ductility and energy dissipation of the specimens are also specially studied

    摘要通過對兩榀框支短肢剪力墻斜柱轉換結構在豎向荷載及水平荷載共同下的擬靜力試驗,分析了試件的應力分佈狀態、破壞形態、荷載傳遞規律以及轉換梁的受力性能和試件的抗震性能。
  13. A coefficient of 0. 9 can be multiplied to ensure the safety of structures. by and large, the back covered porous brick wall with constructional column and gird beam has the same shearing strength under low circulated load as other porous brick wall, so the shear resistance and aseismatic capability can be calculated by the standard method. the experiment indicates that the back covered porous brick wall has good energy absorbing as well as deforming capability, and it can satisfy the requirement of aseismatic structures

    盲孔多孔磚砌體的通縫抗剪強度略於規范計算值,為保證結構安全,建議設計時乘以系數0 . 9 ;盲孔多孔磚墻片在荷載下抗剪承載力與其它多孔磚墻片基本相當,可按規范方法計算其抗震抗剪承載力;試驗證明帶構造柱及圈樑的盲孔多孔磚墻片有較好的吸能、變形能力,可以滿足抗震結構的要求。
  14. 6 experimental researches on two - directional shear behavior of l, t and + - shaped columns are undertaken. for l, t and + - shaped columns, the shear bearing capacity and ductility under two - directions is not worse than that under frame direction

    6對斜向荷載的l 、 t 、十形柱受剪性能進行了荷載試驗研究,得出如下結論:對等肢l 、 t和十形柱,斜向加載的延性基本等同或好於框架軸方向,斜向受剪承載力高於框架軸方向。
  15. The influences of the reinforcement proportion of distributing bars to concealed bracings on bearing capacity, stiffness, deterioration process of stiffness, ductility, hysteresity capacity, energy dissipation and failure features of low - rise shear wall were studied through experiment analysis on 6 models of low - rise shear wall with concealed bracings under cyclic loading

    通過6個帶暗支撐矮剪力墻試件在荷載下的試驗分析,研究了不同的分佈鋼筋和暗支撐鋼筋配筋比例對矮剪力墻承載力、剛度及其衰減過程、延性、滯回特性、耗能、破壞特徵等方面的影響。
  16. Speaking in detail, for every specimen, we study the for of the cracking load, yield load and failure load ; the ductility property ; the property of hystersis curvs and keleton - frame curves ; the degree of initial stiffess and stiffness degadation. secondly, the two different suo nlgn use ltslaences , wmcn are ootll shear wsll sttllctlllt , are tab6n as instanop the shear ’ wsi is oin 卜 hot8qopo inww 田 l ! s ot 以 j 口 willo 地 勸 憂 地 epo o odod sqo8qopt solidndls ofr c l w means or0 卜 0nm elemem ana 吹 lsptwtodd ’ mlmwe m 加 柏 mm are d an 邑 以 胡 a ann compcomparen in severm es 叮 wsllcll as scu 一 陽 i 朗 l p 一 ndnd mdede so ess d laterm seimic e anu so on ’ inatty , tiep 訓 頒 oility of hollow shear wal of rc in d suo ra use reslaences s ant l

    首先研究在水平加載試驗下試驗對象的強度、變形和能量的特性:開裂荷載、屈服荷載、破壞荷載;各試件的滯回曲線和骨架曲線;延性情況;初始剛度和剛度退化等參數:進而satwe有限元程序分析對比了某一小高層剪力墻結構在採空心剪力墻板和採普通實心剪力墻為墻體的結構受力異同點,在質量、主振型、剛度、水平地震效應等方面做了對比。
  17. Neural networks technology is applied to build the complex non - linear relationship between the anti - shear capacities of the reinforced concrete abnormal joints under low reversed cyclic loading and the main factors. back propagation neural networks model are build to predict the anti - crack capacity and bearing capacity. 3

    神經網路方法研究了荷載下的鋼筋混凝土框架異型節點抗剪承載力與各主要影響因素之間雜的非線性關系,並利bp神經網路分別建立了該節點的抗裂承載力預測模型以及抗剪極限承載力預測模型; 3
  18. First, it studies the static experimental study on hollow shear walls of reinforced concrete. its aim is to know hollow shear - walls " performance whose ratio of shear span to effective depth of section is between 1 with 2, based on the studies of ones whose ratio of shear span to effective depth of section is between less than 1. by low - cycle and reverse horizontal loading test, their properties, including with strength property, deformation property and energy property, are studied

    本課題的試驗目的是在先前所做的剪跨比小於1的矮鋼筋混凝土空心剪力墻的基礎上,對剪跨比大於1且小於2的中高空心剪力墻有一系統的認識和了解,通過試驗掌握中高空心剪力墻在水平荷載下的強度、變形、能量方面的特徵。
  19. Based on the experiment on a prestressed concrete frame with beam - column subassemblages under low reversed cyclic loading, the crack distribution, failure pattern, hysteresis curve, and displacement of the frame are studied systematically

    摘要文章通過對一榀預壓裝配式預應力混凝土框架在荷載下的試驗,深入研究了預壓裝配式預應力混凝土框架的裂縫分佈、破壞形態、滯回曲線及位移延性等抗震性能。
  20. The influence of skeleton curve and hysteretic curve on the simulate curves are analyzed. the paper chooses seven representatively models from lots of confinement models, and some different hysteretic rules are added to them. by dint of the program based on the column - beam element of the fiber model, material bank of the program established

    此程序為有力工具,以大量荷載下壓彎試件的試驗結果為標準,通過對試驗結果的計算機模擬分析,比較了各模型中骨架曲線及滯回規則的模擬效果,分析了材料應力應變曲線與構件力位移模擬曲線間的聯系以及影響這一聯系的因素。
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