柱反壓 的英文怎麼說

中文拼音 [zhùfǎn]
柱反壓 英文
column back-pressure
  • : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
  • : 壓構詞成分。
  1. This drilling adopts crank connecting link and walking beam percussion mechanism, which make the drilling possess two percussive functions, normal drilling takes connecting link impact as main mode, when encountering special situation and the connecting link impact can not drill, it can transform into hoisting impact, the stroke length can be modulated, it realizes automatic percussive drilling due to continuous operating of connecting link percussive mechanism, these can enhance drilling efficiency and relieve labor intensity ; it adopts pumping reverse circulation to drain slag, which not only resolves the drilling difficulty in special stratum such as pebble and gravel stratum and hard stratum, but also resolves the problem that the percussive drill ' s efficiency is low ; it adopts spur gear differential mechanism as double cylinders lazy tongs of main hoist, which not only ensures the balance state of drilling tool, but also reduces the mechanical design, and reduces the cost ; the bottom plate traveling motion of this drilling machine adopts walking type ; the drilling tower adopts hydraulic pressure uprising, and reduces the assistant operating time

    該鉆機採用曲柄連桿、游梁式沖擊機構,使鉆機具有兩種沖擊功能;正常鉆進以連桿沖擊為主,遇到特殊情況,用連桿沖擊不能鉆進時,可轉為卷揚沖擊,沖程可調,因連桿沖擊機構連續工作,所以實現了自動沖擊鉆進,可提高鉆進效率,減輕勞動強度;採用泵吸循環的方式排渣,既能有效解決卵礫石地層、堅硬地層等特殊地層鉆進的困難,又很好地解決了沖擊鉆機效率低下的問題;採用直齒圓齒輪差速機構作為主卷揚的雙筒同步機構,既保證了鉆具處于平衡狀態,又大大簡化了該機構設計,降低了成本;該鉆機底盤行走移位採用步履式;鉆塔採用液起立,減少了輔助作業時間。
  2. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:腳在礎石頂面平擱簡支、架榫卯連接、高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究: (一)通過木石礎靜摩擦試驗,測定了腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律; (二)通過單承載力試驗,測定了古建築中木的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量; (三)通過架低周復荷載試驗,測定了架的抗側移剛度、架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、架及榫卯的極限承載力和極限變形、及榫卯減振參數; (四)通過斗?低周復荷載試驗和受試驗,測定了古建築木構件與木構件間摩擦系數,斗?抗側移剛度,斗?恢復力特性及滯回曲線,斗?抗極限承載力及受力變形規律; (五)通過抬梁式殿堂間架模型振動臺試驗,測定了殿堂木構架結構自振周期,地震應振形、阻尼特性及阻尼比;按結構分層特點對腳、頭和斗?層上的屋蓋的地震應採用多點同步測量,對根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。
  3. In addition, it was the sign of the initial amplitude growth rate, not the manner of the interface motion that determined whether the amplitude could increase. at weakly nonlinear stage, mode - coupling equations were derived in cylindrical and spherical geometries. it showed that the nonlinear terms were inversely proportional to the position of the interface in cylindrical and spherical geometries

    在弱非線性階段,推導了和球幾何中模耦合方程,結果表明:非線性作用項比于界面的位置,界面的位置越小,非線性作用越強,之越弱;同時幾何中模耦合方程的解表明,在收縮幾何中,擾動在界面兩側的發展是不對稱的,在弱非線性階段,不穩定性向內發展的部分受到慣性力的擠,而向外發展的部分受到慣性力的拉伸。
  4. Besides establishing the calculation formulas of the support force of the swash plate, the contact load and the friction force between piston and cylinder block, the interaction force between piston and slipper, and the heel over moment of slipper, the relation between each machinery parameter and all these forces were discussed. 3

    分析了塞和滑靴的受力情況,並推導出斜盤支承力,塞與缸孔間的正力和摩擦力、以及塞與滑靴間的作用力和滑靴傾側力矩的計算公式; 3
  5. 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個模型試件在端低周復荷載作用下的抗震性能試驗研究,比較了不同軸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。
  6. Based on the model experiment of 9 normal - strength concrete specimens and 12 high - strength concrete specimens in this case, the hysteretic property and seismic performance of normal - strength and high - strength concrete frame column are analyzed, and factors that affect the seismic performance of combined torsion member are also studied. in this paper, seismic performances of reinforced concrete members are discussed

    在9根普通混凝土、 12根高強鋼筋混凝土框架在雙向彎剪復扭矩復合作用的模型試驗研究的基礎上,對普通和高強混凝土框架的抗震特性和滯回特性進行了分析,研究了各影響因素對鋼筋混凝土復合受扭構件抗震性能的影響。
  7. Main application : elevator / escalator , top - grade building decoration, die - pressed sheet, reflection mirror, columns and wall panel, etc

    主要用途:電梯、高檔建築裝飾、模板、光鏡、立和墻板等。
  8. Through analysis of potential vorticity in isobaric surface field, in low - troposphere a positive potential vorticity disturbance exist and form incline disturbance column northward before rainstorm generation, at the same time have also reflected positive potential vorticity disturbance for severe convection weather trigger role in lower - troposphere ; soon positive potential vorticity disturbance in high - troposphere downward, form one vertical disturbance column, now corresponding precipitation develop stage ; in the prosperous stage of rainstorm that maintains isolines of horizontal distribution and still have straight positive potential vorticity disturbance in 600 - 700 hpa isobaric surface field ; when near ground arises negative potential vorticity disturbance, precipitation also weaken

    通過對等面的位渦分析,發現了在暴雨發生前,在對流層低層有正位渦擾動存在並向北形成傾斜的擾動,同時也映了對流層低層正位渦擾動對強對流天氣的觸發作用;隨后高層正位渦向下擾動,形成一個垂直擾動,這時對應降水的發展階段:在暴雨的鼎盛階段, 600 700hpa上空維持水平分佈的等值線,在其上還有正的位渦擾動;當近地面出現負的位渦擾動時,降水隨之也減弱。
  9. Weng, c. c., yin, y. l., wang, j. c., liang, c. y. and huang, c. m., “ experimental investigation on rectangular src columns with multi - spiral confinements, ” 4th international conference on earthquake engineering, taipei, taiwan, oct., 2006

    尹衍梁、翁正強、王瑞禎、梁景裕,預鑄五螺箍src之軸覆載重抗震試驗,第四屆海峽兩岸及香港鋼結構技術交流會,上海, 11月, 2006 。
  10. In order to analysis the contact problem between elasticity roller and rigid plane, another iterative process is raised. supposing the right contact point has been known, the left contact point has to be found and the distribution of stick zone and slip one have to be determined in each iterative process. the outer load is evaluated according to the solved force distribution in contact zone

    針對彈性滾與剛性平面的穩態滾動接觸問題,採用已知接觸區右端點來搜索接觸區左端點以及區內粘連區、滑移區分佈的迭代搜索方法,並根據搜索得到的接觸區內分佈求出外部載荷。
  11. Tow speciments of prestressed fabricated beam - column subassembly were tested under reversed cyclic loading. experimental studies were carried out to investigate the strain distribution, failure mechanism and load - bearing capacity on the beam - column connections, as well as ductility, hysteresis curves energy dissipation, displacement restoring capacity of full pc speciments

    本文通過兩榀預裝配式樑組合體在低周復荷載下的試驗,了解了預裝配式框架梁端截面應變分佈、破壞機理和極限承載能力;探討了全預應力配筋截面延性特徵、滯回性能、耗能能力和變形恢復能力。
  12. Piezo - electrical ultrasonic motors were used to drive the linear slideways supported by the cross roller bearings, position information was fed back by the optical encoders, the total closed - loop control system was constituted

    伺服機構採用電超聲電機直接驅動由滾導軌支承的直線工作臺,通過高精度光柵尺構成全閉環饋。
  13. The best method for isolation and purification of - dihydroagarofuran sesquiterpene in celastrus angulatus is alternate normal - phase and reserve - phase high performance liquid chromatography

    結果表明,對苦皮藤中富含二氫沉香呋喃倍半萜類化合物部分進行分離的過程中,採用正相、相高制備層析交替進行的方法最為有效。
  14. 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 、十形受剪性能進行了低周復荷載試驗研究,討論了剪跨比、軸比、配箍率、荷載作用方向對l 、 t 、十形承載力和延性的影響,並結合他人試驗結果,提出了l 、十形的偏下線受剪承載力公式。
  15. ( 2 ) based on deterioration model of owerage bond stress of beam reinforcement accounting for effect of axial compression ration and number of displacement loops, and stress - strain relationship of the concrete in the joint core accounting for effects of both softening and confinement, the modified compression field theory was employed to simulate behavior of the joint core under loading reversals. analysis by means of the program jap on the tested specimens in this paper and those obtained from other researchers produced consistent results

    根據本文建立的考慮軸比和位移循環次數影響的梁筋平均粘結應力退化模型和考慮軟化效應、約束效應的核心區混凝土應力應變關系,通過在試驗中得出的節點核心區混凝土、箍筋、節點正面、背面筋在復荷載下的受力特點,利用斜場理論模擬節點核心區在復受力過程中的受力狀態。
  16. On the other hand, due to the difference of the loading form on eccentric loading column with push - out test and short - column test, the bond - slip performance ca n ' t be displayed in it

    同時,由於推出試驗( push - outtest )和短試驗( short - columntest )與偏的受力狀況有差別,並不能真正映出構件中的粘結滑移性能。
  17. 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「矩形純框架結構」 、 「異型純框架結構」 、 「異型框一析架結構」及「異型框-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,異型代換矩形后,結構剛度增大,側向位移明顯減小,地震應力略有增加,框架比最大增幅小於8 % ,結構整體抗震性能有所提高;當異型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。
  18. A seismic shear capacity equation for ductility and non - ductility columns is proposed to amount for the reduced shear contribution of concrete as to the increasing of displacement ductility levels. 6. the behavior of columns * transverse displacement within yield hinge regions is also discussed based on truss - arch model. 7. the seismic shear capacity design equation of columns with various ductility levels is proposed in statistic method on the basis of test data collected from japan and china to simplify the equation resulted from truss - arch model

    對國內外試驗資料進行了統計分析,詳細分析了剪跨比、軸比及配箍特徵值對框架構件抗剪承載力的影響,得到了復荷載下框架塑性鉸區域極限承載力計算的統計公式;在理論推導公式及統計公式的基礎上,參考國內外規范,首次管品武;鋼筋混凝土框架塑性鉸區抗剪承載力試驗研究及機理分析提出了鋼筋混凝土框架塑性鉸區域剪切承載力抗震延性設計實用公式。
  19. Also the failure modes and the cracking torque, original stiffness, ultimate torsion strength and ductility are discussed in this case. the factors affected torsion bearing capacity of high - strength concrete frame column is analyzed too. the seismic performances of normal - strength and high - strength concrete frame column subjected to biaxial eccentric compression, shear and reversed torque are studied

    以軸比和相對偏心距為主要研究參數,揭示高強鋼筋混凝土構件在單向、雙向偏剪單調、復扭矩作用下的破壞特徵、開裂扭矩、剛度、強度、延性等特性,分析了影響高強混凝土框架抗扭承載力的因素。
  20. By model experimentation of 14 high - strength concrete frame columns subjected to axial eccentric compression, shear and humdrum torque, of 9 high - strength concrete and 3 high - performance concrete frame columns subjected to biaxial eccentric compression, shear and reversed torque, the behavior of high - strength concrete frame column in warped section are studied the first time, and the mechanism of torsion bearing capacity of high - strength concrete frame column are discussed

    通過14根承受單向、彎、剪,單調扭矩復合作用的高強鋼筋混凝土構件和9根高強混凝土、 3根高性能混凝土框架在雙向彎剪復扭矩復合作用的模型試驗研究,首次研究了高強混凝土框架在翹曲截面上的受力行為,探討了高強混凝土框架抗扭性能的受力機理。
分享友人