支承反力 的英文怎麼說

中文拼音 [zhīchéngfǎn]
支承反力 英文
bearing reaction
  • : Ⅰ名詞1 (分支; 支派) branch; offshoot 2 (地支) the twelve earthly branches3 (姓氏) a surname...
  • : Ⅰ動詞1 (托著; 接著) bear; hold; carry 2 (承擔) undertake; contract (to do a job) 3 (客套話...
  • : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  1. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基問題進行了實用化的探討,提出了考慮地基變形的地基上程計算方法;對基於彈塑性理論分析的地基國內尚未見報道的空間問題得到了圓形基礎(空間問題)的界限荷載p _ ( 1 / 4 ) ,並與國內外土學專著及地基基礎設計規范中的條形基礎(平面問題)的界限荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以截頭錐模型模擬地基,對地基(巖基)的動測法進行了研究,為各類地基(包括巖基) ,匯總了動分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基的確定問題,從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土學計算及深斤載荷試驗四方面進行了深入討論;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?裝置,設計了側壁加載系統,該加載系統具有實用、簡便、穩定及安個等優點。
  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:柱腳在礎石頂面平擱簡、柱架榫卯連接、柱高不越間之廣、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)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦系數及摩擦隨上部結構荷載變化的規律; (二)通過單柱試驗,測定了古建築中木柱的受變形特徵、破壞模式、及模型材料的變形模量、極限、極限變形等參量; (三)通過柱架低周復荷載試驗,測定了柱架的抗側移剛度、柱架恢復特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限和極限變形、及榫卯減振參數; (四)通過斗?低周復荷載試驗和受壓試驗,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?恢復特性及滯回曲線,斗?抗壓極限及受變形規律; (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;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震應採用多點同步測量,對柱根滑移、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. 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

    分析了柱塞和滑靴的受情況,並推導出斜盤支承反力,柱塞與缸孔間的正壓和摩擦、以及柱塞與滑靴間的作用和滑靴傾側矩的計算公式; 3
  4. 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個結構試件在低周復荷載作用下的試驗,研究了不同暗撐配筋形式、不同連梁跨高比對雙肢剪墻的、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。
  5. However, excessive tax competition may weaken the effectiveness of the tax incentives, hence incuring welfare loss ; ( ii ) in a non - cooperation tax competition equilibrium, it turns out that tax rates are set too low to fiance an efficient level of public expenditure, especially lowers the provision of the public goods benefiting residents ; ( iii ) competition for capital means the revenue from capital income taxation declines. in order to maintain the necessary public expenditure, the government would shift tax burden towards the more immobile labor, which may arouse the inequity issues on redistribution. chapter 3 : " the strategy of international tax competition and optimal capital taxation.

    但過度的稅收競爭而會減弱稅收激勵政策的有效性,降低一國福利水平;其二,在非合作均衡狀態下,國際稅收競爭使所有國家的資本課稅都維持在缺乏效率的低稅率狀態,從而不能獲取足夠的財政收入,導致公共產品提供不足;其三,旨在吸引資本流入的稅收競爭,普遍降低了對資本所得的課稅,但政府為了獲取足夠的財政收入以維持正常的出,會將本來由資本擔的一部分稅負轉移到流動性較弱的勞動身上。
  6. Except from the above achievements, the paper adopts two kinds of computational methods to analysis and compare, one is the spatial fem, the other is the cross direction supporting frame method. the results are present which the spatial fem can relatively accurately reflect stress of the practical structure, and which in spite of being convenient, the cross direction supporting frame method can lead to error while determining dimension of the cross bending str ess

    另外,還針對該橋箱室較寬的特點,分別採用空間有限元模型和橫向框架法兩種計算方法對橫向彎曲問題進行了分析研究。結果表明:空間有限元模型能夠較準確地映出實際結構截面的受特點,計算所得的結果基本符合實際情況。
  7. In this paper, the three level fortification criterion, two stage design method and the elastic response spectrum theory are adopted, and the program of nba ( the program of nonlinear - aseismic analysis for beam bridge ) is used to calculate. through gathering, analyzing and calculating a lot of bridge design materials, this paper induces a simple way to calculate the relative displacement of the beam and the pier, and then according to the current design method, it concludes a better design principle of the supporting length of the beams. at the same time the dynamics is adopted to put forward the design method of the carrying capacity and the lengthen of prestress wire ( steel bar ) falling - off prevention structures of highway bridges

    本論文採用三水準設防、兩階段設計方法、彈性應譜計算理論,運用橋梁結構非線性地震響應分析程序nba ( theprogramofnonlinear ? aseismicanalysisforbeambridge )進行計算;通過收集大量的實橋設計資料,經分析計算,歸納總結出計算上下部結構相對位移的簡便計算方法;並綜合國內外的經驗值,提出梁的長度se的設計原則;同時運用動學突加荷載的原理,推導分析了預應鋼絞線式(鋼棒連接式)落梁防止裝置設計的計算方法和設計伸長量s _ f的取值;最後本文通過實橋計算,說明了落梁防止系統設計的方法。
  8. Through theoretical analyses in the article, the highly tough top - coal deflection before destroying is in inverse proportion to elastic mould, in direct proportion to tensile strength, and the conclusion that bigger deflection roof can ' t sufficiently transmit the compressible support to top - coal is drawn

    通過理論分析,獲得了高韌性煤層煤體在破壞前的撓度與彈性模量成比,與抗拉強度成正比的關系,並得出撓度較大的頂板不能很好把傳遞給頂煤的結論。
  9. It ' s also presented of the theory fundament and software that are involved in the research project. the formulae are concluded respectively at detail according to the precondition and the program compiled with c language is presented as well

    根據建立混凝土泵車底架有限元模型的需要,詳細推斷了在四點和三點兩種狀態下混凝土泵車的計算公式,並利用c語言編寫了程序。
  10. This paper introduces the development and present situation of vibration absorb technology in the world ; generally analysis the rubber - bearing ( rb ) and lrb " s operative mechanism, function and the calculation of parameter ; advance the concept of standardization to lrb ; on the basis of generally analyzing the connected factor such as the site category, the diameter of lead bar, the height of bearing, the designing carrying capacity, the span of bridge, the inherent period and the displacement of rb, determine the parameter, the absorbing vibration target, the method and the process of standardization to lrb ; then according to the two - step rule of resisting and defending earthquake, and combining with the response spectrum theory in the seismic vibration of bridge, make a lot of calculation and analysis of vibration absorb design to the real bridge collected and combined by finite element program ; at last, gives the result of standardization through diagram and explains to its usage

    本論文介紹了國內外減震技術的發展和現狀;綜合分析了普通板式橡膠座和鉛銷橡膠座的工作機理、性能及參數的計算;提出了鉛銷橡膠座標準化的概念;在綜合分析場地土、鉛銷直徑、座高度、設計、橋梁跨徑、固有周期以及座變位等影響因素的基礎上,確定了鉛銷橡膠座標準化的參數、減震目標、方法和過程;並根據抗震設防兩階段原則,結合橋梁地震振動理論的應譜法,運用有限元程序對收集和組合的實橋進行了大量減震設計的計算和分析;最後以圖表的形式給出了鉛銷橡膠座標準化的結果,並說明了其使用方法。
  11. In cross calculation, the structure subject to cross force and the reverse force of elasticity support can be derived from the bottom elasticity support on each longitudinal beam ; then, with the elasticity reverse force as the loading reversed acting on the side walls and the middle longitudinal beam, the longitudinal beam subject to force can be calculated

    橫向計算中,底部彈性在各縱樑上,可求得結構的橫向受與彈性支承反力;然後將彈性作為荷載,向作用於側墻和中間縱樑上,進行縱向梁的受計算。
  12. By application navier - stokes equations under the sphere coordinate, the calculation formula of the support load of the oil film of the ball joint coupling based on hydrostatic bearing. support property equation of this ball joint coupling was set up. at same time, the formula of the oil film stiffness was established

    運用球坐標系下的納維-斯拖克斯方程組推導出靜壓球鉸副油膜支承反力的求解公式,給出了靜壓球鉸副油膜特性方程,得出了靜壓球鉸副油膜剛度計算公式; 4
  13. The dissertation discusses some theories of computation including the unit stiff matrix of the spatial member in the local coordinates , the coordinate transformation, the integration of the integer stiff matrix , the equivalent joint load , the introduction of the boundary condition , the computation of the unit internal force and support reaction , the stableness of the spatial stiff frame. the dissertation also discusses the methods of dealing with several unusual problems such as combined structure, temperature stress , elastic bearing

    本文論述了空間桿件局部坐標單元剛度矩陣、坐標轉換、整體剛度矩陣的集成、等效結點荷載、邊界條件的引入、單元內計算、空間剛架穩定的計算理論,以及組合結構、溫度內、彈性等幾個特殊問題的處理方法。
  14. Secondly, for 74500dwt bulk carrier, the strength calculation and analysis of bottom structure in forward area, which bear big act force during ship launching, are carried out

    其次,對船在下水過程中受很大的艏部區域底部結構進行了強度分析計算。
  15. In chapter 2, the mechanical bracket supporting system physical model is establish, and flexibility and reversed force are calculated, simultaneity, some technique needs are brought forward

    第二章對原機械托輥機構進行了物理建模及靜和撓度分析,對后續設計工作提出了一些技術要求。
  16. 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個帶暗撐低矮剪墻試件在低周復荷載作用下的試驗分析,研究了不同的分佈鋼筋和暗撐鋼筋配筋比例對低矮剪、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。
  17. Appraising the existing structural reliability is an important embranchment of the theory about reliability. today, the methods of appraising the existing structural reliability that is used in our country generally belong to applied methods, but the expression about verifying the bearing capacity in this method is educed according as statistical information of future structures. because the statistical property of existing structural loading and resistance is obvious different form the future structure, the methods ca n ' t reflect the statistical property of existing structural

    現有結構可靠性評定是結構可靠性理論的一個重要分,我國目前的建築物可靠性評定方法總體上屬于實用鑒定法,但這種方法的校核表達式是依據擬建結構的統計信息得出的,由於現有結構的荷載、抗等的統計特性明顯不同,因此這種方法難以合理映現有結構的具體特性,而應根據荷載、抗等的具體統計參數,建立現有結構的校核表達式。
  18. We consider each sleeper as an abutment of opposite forces, rails on horizontal sleepers as a mock dispersed elastic ground beam model and trains as moving load on beams. geometric roughness and damping are not taken into consideration

    將每根枕木考慮成一個,將橫向枕木的鋼軌模擬成離散的彈性地基梁模型,將列車考慮成一個作用在樑上的移動荷載。
  19. Using the optimization control method of the moderm control theories, the time - varying control and output - feedback control the authors study the variable structure active control over the rotor vibration with sma, especially the method of restraining the transient response of the rotor vibration. they get the rule of the optimum control force and the optimum control electric current and discuss the influence of variable stiffness on the total system stiffness through analyzing the structure of sma controller. they also indicate the shortcoming of the orthodox design method of a controller, especially the imbalance phenomenon caused by the lack of the rod stability, and propose a new method for improvement and items which ought to be paid attention to in the design stage

    運用現代控制理論中的最優控制方法,引入時變控制和輸出饋控制,研究利用形狀記憶合金對轉子振動進行變結構主動控制,特別是抑制轉子振動的瞬態響應的方法,得出了最優控制和控制電流的強度變化規律;通過分析形狀記憶合金動作器的結構,探討了變剛度對系統總體剛度的影響,指出了傳統設計方法的不足之處,特別是由壓桿穩定性不足引起的失穩現象,並提出了改進的方法和在設計中值得注意的問題
  20. This paper, focusing on the construction in the tunnel section with the worse geological conditions, discusses systematically the theory and the actual application on natm, and puts forward the proposal that the natural states of surrounding rock must be disturbed as small as possible and the self - loading of rock should be made full use of. as emphasizing the main point of the method the study of doing extensively the work of the measurements and the relevent analysis in the site takes up the much space in the paper

    本文針對不良地質地段的隧洞施工,系統論述了新奧法的理論和在工程實踐中的應用,提出了應盡可能少地擾動圍巖的自然狀況並充分利用圍巖自身;重點是要在現場廣泛開展監測工作和相應的資料分析;然後根據現場的監測信息以及對圍巖的觀察和認識,對設計進行及時饋,及時優化護和施工參數用於和指導現場施工。
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