階形梁 的英文怎麼說

中文拼音 [jiēxíngliáng]
階形梁 英文
notched beam
  • : 名詞1. (臺階) steps; stairs 2. (等級) rank 3. [醫學] (耳蝸的三個螺旋管的任一個) scala 4. [數學] order 5. [地質學] stage
  • : 名詞1 (屋架中架在柱子上的長木) beam 2 (通常也指檁) purlin 3 (橋) bridge4 (物體中間條狀隆起...
  1. Being lacking of understanding of behaviors of circular working shaft, the paper proposed theory about ring - beam ' s load - distribution calculations and analyzed the structural behavior of circular working shaft ( cws ) by the numbers from the standpoint of properties of structural style and stress incorporated with thoughts of shared load introduced to research of cws. first, regarding cws as structure of series of hypothetic horizontal circular rings and vertical beams, and considering cws ' s formation and development, the paper proposed load - distribution thoughts to solve cws ' s calculations. ring - beam calculation theory was put up and software cbtlmp1. 0 was worked out based on the conditions of external applied load shared by rings and beams, and of deformation conformity

    首先,本文提出用分載思想解決圓工作井結構的計算分析問題,將圓工作井結構看成是由一系列的假想的水平圓環和豎直組成的結構,考慮工作井成過程及段與項進段的連續性,根據某一時刻相對于上一時刻外載增量由環與分擔、環與在交叉處變位增量一致的條件將環計算理論與計算理論結合起來,據此建立了環?分載計算理論並研製了環?分載計算分析軟體cbtlmpv1 . 0 。
  2. Solving the wire loop profile for which nonlinearity mainly caused by plastic - elastic forming is a challenging work, a finite element model has been proposed to simulate the wire loop profiling, in which beam23 has been selected as calculating unit, and the trajectory of capillary is divided into many displacement loads and applied on the wire step by step

    摘要針對引線成過程中的材料非線性和幾何非線性問題,選用塑性變beam23單元建立有限元模型,通過時引線分段分步施加位移載荷模擬鍵合頭的運動軌跡,求解得到相應的引線輪廓狀。
  3. The content of this thesis comes from the fujian natural science found following research task 。 it studies on a space cantilever single beam attached to a moving support 。 inertia forces which are brought by the support ' s movement , are acceded to the equivalent initiative forces and the equivalent initiative moments 。 when we consider the relation of the forces and deformation , we change the method of material mechanical analysis to the elastic mechanical analysis 。 further more , we discusses the feasibility of the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body 。 first , the finite segment method is adopted to establish the models of the beam 。 based on kane ' s equations , dynamic math - model for the beam are derived 。 and by use of c - language and runge - kutta procedure , the computer - oriented procedure can give the whole responses of the beam 。 second , with compare to the numerical examples , the method which uses the multi - rigid - body discrete model to simulate the dynamic characteristic of a elastic body which is under the condition of movement is verified to be feasible 。

    本論文為福建省自然科學基金后續研究課題,以已知支撐運動的單個空間懸臂為對象,在等效主動力與等效主動力矩中加入支撐轉動引起的慣性力,並在考慮力與變關系時,用更一般的彈性力學分析代替材料力學分析,進一步研究用多剛體離散模型來模擬其動力學特性的可行性。首先,用有限段建立機械臂的多剛體離散模型,用kane動力學方法建立其動力學方程。並用c語言編制演算法程序,採用了四runge - kutta積分程序求解微分方程組,給出構件的全部動態歷程。
  4. Shrinkage deformation of beam in temperature fall stage is simulated through jack stretching test model, and expansion deformation of beam in temperature rise stage is simulated through jack pushing out test model

    通過千斤頂對試驗模型的張拉來模擬溫降體的收縮變;通過對試驗模型的頂推來模擬溫升體的膨脹變
  5. According to the principle of ring - like strands operation, the mechanical analytic solution of presressed concrete penstock under the uni - ring - like radial loads is given out based on the theories of elastic footing beam

    根據環預應力作用機理,結合彈性地基理論,提出了單環預應力作用效應的計算方法和預應力混凝土壓力管道施工段的驗算方法。
  6. Based on measurement of strains of both horizontal stirrups in the joint core and longitudinal reinforcement passing througth the joint, in different stages, transfer mechanism and factors affacting seismic behavior of the joint, were analysed. under different shear compression ration, effect of axial force ratio on seismic behawior of the joint was also evaluated, static shear and seismic shear of the joint based on capacity design were investigated. on this basis, new governing criteria and conditions of seismic behavior of the joint were put forward

    通過對節點區水平箍筋以及貫穿節點、柱縱筋在不同受力段應變的精細量測,對節點的傳力機理以及影響抗震性能的因素進行了分析研究;對不同剪壓比條件下軸壓比對節點抗震性能的影響規律進行了分析研究;對不同受力筋的粘結退化規律以及節點區的剪切變進行了分析研究;對節點的靜力抗剪與建立在能力設計思路上的抗震抗剪問題進行了深入研究,提出了建立在新思路基礎上的節點抗震性能控制準則和控制條件。
  7. 2 ) the value of base frequency, which is the first order vertical - bending vibration, is bigger in box girder bridges than those of t - beams. it shows that the vibration performance of box girder bridge is better than t - beams. 3 ) when considering the shear deformation of beam, the vibration frequency calculated by is bigger than those not considering the shear deformation

    T型的基頻為橫向振動,而整體箱的基頻為豎向彎曲振動;整體箱的一豎彎振動的頻率比t型得到了提高;整體箱的動力性能優于t型;考慮剪切變后,的自振頻率降低,對于整體箱其降低值接近於5 ,在分析時不應忽略。
  8. This paper also presents the methods of controlling unstressed length of cable, pre - displacement of saddle, anchor span tension, erection of wire strands, the fixed position for erecting cable band and cable length. determination and control approach of displacement of saddles during cable erection are also introduced. at the same time, the change course of linetype during construction period for suspension bridge is analyzed

    再次,介紹了懸索橋的施工控制內容與方法,利用軟體sgkz2000對多座懸索橋進行了施工計算,提出本文關于懸索橋的主纜無應力長度控制、索鞍預偏量控制、錨跨張力控制、絲股架設控制、索夾安裝位置與吊索長度控制的方法;介紹了吊段鞍座頂推量的確定與控制方法,分析了施工段懸索橋的線變化過程。
  9. Secondly, the paper analyzed the behavior of isotropic and orthogonal anisotropic materials " cws on the basis of above theory and software. regularities of cws " deformation inner force and shared load and earth pressure in excavating stage and driving stage were gained. regularities influenced by material features top beam excavating depth sidewall depth properties of soil layers rear backing and location of load were also obtained, especially rules of display degree exerted by circular and vertical loads were also obtained

    通過分析,得到了段及頂進段圓工作井的變位、結構內力、分載及土壓的分佈規律及材料性質、頂冠及圍檁、開挖深度、井壁插深、土層性質、后靠背、頂載作用位置等因素對結構受力性狀的影響規律,特別是得到了工作井在受力時結構環向與豎向承載作用發揮程度的規律。
  10. The result also denotes rotary inertia and the shear formation of the beam have significant effect on the high frequencies

    粘結層剪切彈性模量對一頻率影響較小;考慮的剪切變和轉動慣量時,對的高頻率影響較大。
  11. The experiments showed that the cracking process of such restrained beams in this paper can be divided into three phases, that is, formation of the fanning zones, initialization and development of splitting cracks along longitudinal reinforcement, and accelerating development of the critical crack and / or cracks ( diagonal, flexural ). during the last two phases, it was observed that further opening of some cracks led to some

    研究結果表明,鋼筋混凝土有腹筋約束的裂縫開展過程大致可分為扇區逐步成、劈裂裂縫出現和發展、最終臨界裂縫(斜裂縫或彎曲裂縫)加速發展至破壞等段。在後兩個段中存在某些裂縫發展減弱同時某些裂縫迅速開展的「此消彼漲」的現象。
  12. Then, author introduces geometric nonlinear analysis theory, geometric nonlinear calculation theory during construction period, load position of live load considering geometric nonlinear and calculation theory of worst - case value, static time history theory for vehicle running, geometric nonlinear analysis theory of natural vibration and structural dynamic reaction and so on. all of these theories fit any appointed structure with corresponding programs. so a series of completed analysis approaches that cover all geometric nonlinear factors of bridge structure are formed

    其次,介紹了對任意指定結構的幾何非線性分析原理、施工段幾何非線性計算原理、考慮幾何非線性的活載加載位置與最不利值的計算原理、車隊行駛靜力時程分析原理、非線性結構的自振特性和結構動力反應分析原理等,其中包含了相應的計算程序模塊的編制方法,成了一整套考慮橋結構所有幾第日頁西南交通大學博士研究生學位論文何非線性因素的橋結構分析方法。
  13. As the basis of stochastic torsional analysis, a stepped thin - walled beam model with complex cross - sections of arbitrary shapes ( open, closed or mixed ) is established in this paper, which takes into account the effect of secondary shear flow resulting from warping restraint

    摘要具有復雜斷面狀的梯精密模型作為扭轉隨機分析的基礎,可以計及翹曲約束引起的二次剪流。
  14. Based on the continuous damage theory, considering the shear effect, the high - order shearing, flexural and in - plane deformation coupling model is built ; through the nonlinear fem analysis of rc beams strengthened with frp, the damage theory and damage course is researched ; compared with experiment results, it shows that the model is effective ; the fem analysis software is prepared to provide simple and effective method for the engineering application ; using the soft the frp strengthened beams before and after damage is modeled so as to provide the theory base for engineering application

    摘要基於連續損傷理論,考慮膠層的剪切效應,建立frp加固鋼筋混凝土的高剪切彎曲及面內變耦合模型,編制了有限元分析的軟體,進行非線性有限元分析;通過與已有的試驗結果進行對比,證明該模型的簡單,有效性;利用該軟體對未加固混凝土,初始進行加固的混凝土以及最大拉應變達到極限值時進行加固的混凝土等幾種情況進行數值模擬。
  15. By the coding, all first - order rules needed to explore are mapped into the points in genetic space ; ( 2 ) the fitness function, which evaluates the quality of first - order rule. the variation of fir

    ( 2 )評判一規則優劣的適應度函數,一規則適應度的相應變化成了遺傳空間高低起伏的地貌特徵; ( 3 )由交叉和變異運算元決定的規則間的鄰接關系,描述了遺傳空間地貌的溝壑或橋
  16. Taking su - tong yangtze river bridge for example, by using fem, some local relative deformations of steel box girder are analyzed ; and the influence on the construction control is studied

    以蘇通長江大橋為例,用有限元模型分析了懸拼段鋼箱產生相對變的3種式以及這些變對橋面標高控制的影響。
  17. The general for determining deflections of the stepped beams in bending

    彎曲變的普遍表達式及其應用
  18. Beams are researched, and the relation between strains of corroded re - bars and fatigue life of beams are obtained. the main research contents and conclusions are as following : 1. under the fatigue loads, the overstrain of concrete approximately coincidences three stages strain development and accumulation rule, and the mechanical property of concrete is deteriorated

    鑒于實際工程中大量存在腐蝕鋼筋混凝土結構承受反復荷載作用,但其力學性能研究不多的問題,本論文進行了銹蝕鋼筋混凝土抗彎疲勞試驗,研究了應力比和鋼筋銹蝕率對銹蝕鋼筋混凝土抗彎疲勞性能的影響,得出了銹蝕鋼筋的應變與構件疲勞壽命之間的關系曲線,主要研究內容及結論如下: ( 1 )在循環荷載下,混凝土殘余變基本符合三段變規律,力學性能劣化,疲勞損傷積累。
  19. In order to ascertain the real stress and deflection of structure this paper puts forward experimental scheme. by measuring data during the process of construction, we can know the distribution of stress in simply supported - continuous beam and compare with initial design, then we can adjust it by control method to ensure quality of the bridge

    提出具體的試驗方案,論述了測試元件的測試原理,通過測量各控制點在不同段的應變和撓度,確定橋結構的實際應力大小和變狀態,了解簡支轉預應力連續結構各跨主與連續處的應力分佈情況,並與設計相互驗證,通過施工控制使結構符合設計要求,保證施工質量。
  20. The natural frequencies of the intelligent beam with the rotary inertia and shear deformation of the beam are lower than that without those

    考慮的轉動慣量和剪切變時,智能的頻率比沒有考慮時的要低。
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