displacement bar 中文意思是什麼

displacement bar 解釋
偏移指示器
  • displacement : n 1 轉位,移動;取代,置換;(人的)流離失所。2 撤換,免職。3 【機械工程】(活塞)排氣量;【航海...
  • bar : BAR = Browning automatic rifle 白朗寧自動步槍。n 巴爾〈南斯拉夫港市〉。n 1 棒,桿,條;棒狀物。2...
  1. The existing theoretical analyses have n ' t refelcted this true mechanism of the force transfering in fixed segment of anchor bar. for the sake of studying the working course from elastic to elastoplasticity slide better, this paper put forward shear stress - displacement curve, and solve the internal force distribution along anchor bar by the basic equntion. at the same time, this paper analysize the difference of columniform fixed segment and the segmeng with anchor slab at the foot of anchor bar

    為了更好的研究錨桿在不同荷載作用下,錨桿的工作狀態從彈性到彈塑性發展的整個過程,本文進行了錨桿受力的模型實驗研究,根據實驗結果提出了剪應力與位移的彈塑性本構關系表達式,並根據錨桿受力的基本方程,求解得出了錨桿在不同工作狀態下從彈性到彈塑性滑移的全過程中錨桿的內力分佈。
  2. Sliding displacement of beam longitudinal bars in staggered joints is smaller than in ordinary joints, and the beam bar " overstrength in staggered joints is more serious than in ordinary joints when shear force is equal in the two types of joints

    2在節點所受剪力相同的情況下,錯層節點中梁縱筋的粘結滑移比普通節點的要小,梁筋的超強更嚴重。
  3. The main work includes : the kinematic properties of a planner 4 - bar linkage are researched deeply using the assur group theory. the displacement, velocity and acceleration of each joint point in a motion period are put forward and their curves of the relevant points are plotted

    通過運動學分析,得出平面連桿機構在一個運動周期中各鉸接點的位置、速度和加速度以及各桿件的角速度、角加速度等運動學參數,並繪制出相應的變化曲線。
  4. By constructing the geometrical model of a certain underground single arm type pantograph and applying the translation of pantograph - head balancing bar and the perpendicular displacement of pantograph in the direction of the movement of locomotive while raising pantograph as the objective which must satisfy the demands of locomotive ' s stable current collection, this paper applied the multi - objective optimization based on the genetic algorithms to design the pantograph mechanism

    摘要在建立某地鐵單臂受電弓簡化幾何模型的基礎上,根據列車平穩受流對受電弓提出的各項要求,以受電弓升弓時機車前進方向上的縱向偏移量和弓頭平衡桿的平動為目標,以受電弓正常升弓所需升弓轉矩等為約束,運用基於遺傳演算法的多目標優化技術,對該型受電弓機構進行了優化,得到了使受電弓運動性能達到最優的幾何參數。
  5. Through the pull - out experiment, the load displacement curve was obtained. contrasting the test results under the different condition to post - installed bar, it was clear about the mechanism of the inorganically post - installed bars. the test results of inorganically post - installed bars was compared especially with the traditional organically post ? installed bars

    通過拉拔試驗,得到了荷載位移曲線,對比了不同條件下植筋的試驗結果,明確了無機植筋的受力過程,特別同有機植筋進行對比,並提出了帶錐頭無機植筋的施工工藝。
  6. Transformed the six - bar guide - bar mechanism realizing linear displacement in automatic instruments into a basic rotating guide - bar mechanism, established the mathematical model of velocity approaching constant by the classical approximate synthesis theory and the modern error theory, discussedthe influences of the existent region of main mechanismic parameters on kinematic and dynamic properties, analysed the theoretical transmission ratio error, advances systematic, complete steps and methods for dimensional synthesis of this mechanism with computer aided design

    將自動化儀表中實現線性輸出的六桿導桿機構轉化為基礎轉動導桿機構,應用經典的機構近似綜合理論與現代的誤差理論,建立了速度逼近常數的數學模型,討論了主要機構參數存在區域及對運動、動力性能的影響,分析了傳動比理論誤差,提出了系統完整的計算機輔助尺度綜合的步驟與方法。
  7. As the bolt tension increase, the tension of rail web, stress of joint bar and stress of joint bolt would increase accordingly, but the displacement of rail would become smaller

    螺栓扭矩增大,接頭區鋼軌軌腰拉力、夾板應力、螺桿內應力都會增大,而鋼軌位移會隨著螺栓扭矩的增大而減小。
  8. The mathematical model of diesel - generator set in the mechano - electronic transient process is proposed in this paper, the pulsation and delay of diesel torque are analyzed, the relation between diesel torque and diesel rotational speed together with injection pump rack bar displacement is described exactly. the motion law of diesel - generator set is revealed all - sidedly and nonlinear problem of diesel - generator set is settled by piecewise linearzation method

    本文提出了柴油發電機組機電暫態過程的數學模型,分析了柴油機轉矩的脈動和滯后,準確地描述了柴油機輸出軸扭矩與柴油機轉速和噴油泵齒桿位移之間的關系,全面揭示了柴油發電機組的運動規律,利用分段線性化的方法解決了柴油發電機組的非線性問題。
  9. The relation between deformation of bar under normal force and node displacement is analyzed and applied to setting up compatibility equations of deformation for statically indeterminate problems

    摘要分析了軸向拉壓桿件的變形與桿端結點位移之間的關系,並將其應用於拉壓超靜定問題變形協調方程的建立。
  10. 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、彈性反應譜計算理論,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,提出梁的支承長度se的設計原則;同時運用動力學突加荷載的原理,推導分析了預應力鋼絞線式(鋼棒連接式)落梁防止裝置設計承載力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。
  11. The kinematic synthesis equations for rrr and rpr groups have been established, respectively, based on the single - opened - chain ( soc ) theory and displacement matrix method. combining two kinematic synthesis equations for rrr groups, this paper presents the unified kinematic synthesis equations for hinged 3 - bar groups which are applied in function synthesis of planar watt, stephenson, and 6 - bar linkages

    基於單開鏈理論,應用位移矩陣法,分別建立了rrr和rpr兩種級桿組的運動綜合方程,再將兩個rrr級桿組的綜合方程聯立,得到watt型及stephenson ,型六桿函數發生機構中鉸鏈三桿組的統一運動綜合方程組。
  12. On the basis of large - displacement virtual principle, the finite element equations of stable type suspension bridge containing towers are driven. the stiffness matrixes of the cable element, the bar element and the beam element using node coordinates are given, too. such method has not been found in reference books

    論文從有限位移彈性理論的虛功方程出發,推導出穩定橋全橋結構的非線性有限元運動方程,還推導了用節點坐標表示的索單元、桿單元和梁單元的單元剛度矩陣,這一點在參考文獻較少見。
  13. A predigested car model and a reasonable bridge model were presented after the bridge structures and the colliding characters were analyzed. the stress and the displacement of the concrete, bar, pre - stress bar changing with time were presented. the stress of the whole bridge at the time of the contact and the deformation of the whole bridge at the end of the contact are obtained

    採用美國ansys公司的有限元軟體ansys ls - dyna對碰撞過程進行數值模擬分析,得到了撞擊點附近混凝土、普通鋼筋以及預應力鋼筋的應力及位移隨時間的變化規律,同時得到了全橋在碰撞后瞬間的應力分佈規律和碰撞結束前全橋的變形規律。
  14. On the base of site monitoring on several multi - arch highway tunnels, this paper introduces some site monitoring methods about the force of reinforcing steel bar, the exterior and interior strain of concrete and the displacement of the wall, which aim at the monitoring of middle wall of multi - arch highway tunnel

    在多座連拱隧道現場監測工作的基礎上,文章主要介紹了主筋軸力量測、混凝土表面應變量測、混凝土內部應變量測,以及位移量測等針對連拱隧道中隔墻的現場監測方法,並結合中隔墻主筋軸力量剛,給出現場監測及分析實例。
  15. At first using the method of inverse kinematical analysis, the computing formulae of displacement, velocity and acceleration of each component in the seven - bar mechanism and variation law of motion for the two expanding and contracting bar were derived, and then combining with analytical living example and according to the motion law of output component the motion law of driving part was computed, finally the transmission error was analyzed

    摘要首先運用逆運動學分析的方法,推導出了七桿機構中各個構件的位移、速度和加速度計算公式以及兩個伸縮桿的運動變化規律;然後結合分析實例,根據輸出構件的運動規律,計算出驅動件的運動規律,最後分析了傳動誤差。
  16. 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支座和鉛銷橡膠支座的工作機理、性能及參數的計算;提出了鉛銷橡膠支座標準化的概念;在綜合分析場地土、鉛銷直徑、支座高度、設計承載力、橋梁跨徑、固有周期以及支座變位等影響因素的基礎上,確定了鉛銷橡膠支座標準化的參數、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反應譜法,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支座標準化的結果,並說明了其使用方法。
  17. Throught the comparation between supsendome and single layer reticulate, the advantages of suspend - dome was expatiated. through the analysis of lamella ’ s, rib - loop, rib - loop tilted bar type shell, the influence of lattice type to member ’ s force, joint ’ s displacement, reaction, intergral stability was studied, the suitable lattice type for suspendome was put forward

    通過對聯方型、肋環型、肋環斜桿型、肋環斜桿型、肋環斜桿型弦支穹頂結構進行的分析優化比較,研究了網格形式對構件內力、節點位移、支座反力、整體穩定的影響,提出了適合弦支穹頂結構的合理網格形式。
  18. Based on the theory of mechanical optimization and finite element analysis, elbow - bar mechanism of the mp1040b moulding machines made by beiren group is investigated in the dissertation. firstly, a kinematic model representing the bar mechanism is built and the nonlinear system of equations is solved through the method of gradient. meanwhile, the angular displacement, angular velocity, angular acceleration and the corresponding curves of each component in a motion period are obtained

    本文以北京人民機器廠mp1040b型模切機肘桿機構為研究對象,以機械最優化理論和有限元技術為基礎,首先對模切機肘桿機構建立數學模型,通過梯度法求解此非線性方程組,並得出機構在一個運動周期中各構件的角位移、角速度、加速度等運動參數及曲線。
  19. In this paper, the ductility of steel bar is expressed by ductility ratio b, the figure of dividing ultimate strain by yield strain. the ductility of section is expressed by ductility of section ratio, the figure of dividing ultimate curvature by yield curvature. the displacement ductility is expressed by displacement ductility ratio, the figure of dividing ultimate displacement by yield displacement

    論文中鋼筋延性採用鋼筋延性比b來表示,即極限應變與屈服應變的比值;構件截面延性採用截面延性比來表示,即極限曲率與屈服曲率的比值;構件位移延性採用位移延性比_來表示,即極限位移與屈服位移的比值。
  20. Symbolic approach for displacement analysis of planar five - bar linkages based on groebner base method

    基的平面五桿機構位置分析符號解
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