梁的彎曲曲率 的英文怎麼說

中文拼音 [liángdewānqūqūlǜ]
梁的彎曲曲率 英文
beam curvature
  • 梁 : 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...
  • 的 : 4次方是 The fourth power of 2 is direction
  • 彎 : Ⅰ形容詞（彎曲） curved; bent; crooked; flexuous; tortuous Ⅱ動詞1 （使彎曲） curved; bend; flex 2 ...
  • 曲 : 曲名詞1 （一種韻文形式） qu a type of verse for singing which emerged in the southern song and ji...
  • 率 : 率名詞（比值） rate; ratio; proportion
  1. According to hysteretic properties under low - cyclic loading and some other suggestions, the moment - curvature restoring force computation model of unbonded partially prestressed concrete section, which considering the ppr, is given

    此外由於施加了預應力，使得該結構具有良好的恢復力特性。本文還根據試驗結果和相關參考文獻提出了考慮不同預應力度的預應力扁梁截面彎矩?曲率恢復力計算模型。
  2. 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型梁的基頻為橫向振動，而整體箱梁的基頻為豎向彎曲振動；整體箱梁的一階豎彎振動的頻率比t型梁得到了提高；整體箱梁的動力性能優于t型梁；考慮剪切變形后，梁的自振頻率降低，對于整體箱梁其降低值接近於5 ，在分析時不應忽略。
  3. In this paper, an approach of the systematic artificial neutral net was introduced into the analysis on the ship - against - bridges probability with a computer programs. based on the basic data of the present 12 typical bridges as the sample, 4 chief influential factors as the input coefficient, such as the bridge span, the water flow rate, the incline angle between water flow direction and the direction normal to bridge axis, and the curve in the course near the bridge area, with the ship - against - bridge probability as the output coefficient, the intelligent judging system of the ship - against - bridges probability reflecting the influence of the above input parameters is obtained after training

    本文首次將人工神經網路系統方法引入了船撞橋概率的研究當中，編制了計算程序，成功地以現有12座典型橋梁的基礎數據為樣本，以橋梁跨徑、水流流速、水流方向與橋軸法線的夾角以及橋區航道彎曲度等4個船撞橋主要影響因素為輸入參數，以船撞橋概率為輸出參數，經訓練得到了能較好地反映上述輸入參數影響的船撞橋概率判斷系統。
  4. ( 3 ) to discuss thereasonable section shape of the continuous composite beam. the works of this paperare as follows : ( 1 ) contrast the cracking course of the concrete beam and the composite beam, atthe point of the bending state of the beams, put forward the crack width mode : bending curvature 、 crack height 、 the distance between crack

    據此，本文的主要研究成果如下: （ 1 ）通過分析、對比普通混凝土梁和組合梁負彎矩區裂縫出現、發展過程，以構件受彎狀態為出發點，提出了以彎曲曲率、裂縫高度、裂縫間距為主要參數的裂縫寬度計算模式。
  5. 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梁抗彎疲勞試驗，研究了應力比和鋼筋銹蝕率對銹蝕鋼筋混凝土梁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，混凝土殘余變形基本符合三階段變形規律，力學性能劣化，疲勞損傷積累。
  6. Secondly, two carbon fiber reinforced composite beams were fabricated, and their modal frequencies were measured by an experiment method. thirdly, delaminations were modeled by pairs of nodes with the same coordinates but different node numbers, while the modal frequencies of these beams with different delamination location and size were computed by an eas piezoelectric solid element. moreover, a novel method combining computational mechanics and neural network was demonstrated for composite health monitoring ; the first five flexure modal frequencies obtained by fem were modified by a primary revising approach and were used to train the neural network

    本文較全面地評述了神經網路的應用模型、改進演算法等，編制了bp神經網路程序：制備了纖維增強復合材料試件，並進行實驗模態分析；利用坐標相同、節點號不同的方法模擬脫層損傷，基於eas列式的壓電固體單元計算了不同脫層損傷情況下的頻率信息；針對基於實驗數據訓練神經網路存在樣本不足的缺陷，本文提出了利用有限元方法對含有脫層損傷的復合材料試件進行數值模擬，以前五階彎曲模態頻率構建訓練樣本的新思路，並提出了一種初步的計算值修正方法，以此構建神經網路的訓練樣本：將實驗模態分析的結果送入訓練好的神經網路進行預測，實現了對復合材料梁的脫層損傷的定位和損傷程度的評估。
  7. At first, the experiment carried out by tianjin university has been analysed according to the " nonlinear balance trying calculation " method, and the values of yield load and ultimate load agree with the test result better, and the curve of bending moment - curvature, bending moment - deflection can agree with the results. the second, the simplified formula for evaluation the ultimate flexural capacity of cfrp strengthened rc members is presented according to the three probable failure modes ( compression failure ; cfrp rupture ; crushing of the concrete in compression before yielding of the reinforcing steel ). it is applicable to both singly and doubly reinforced rectangular sections, as well as flanged sections

    首先利用鋼筋混凝土非線性平衡試演算法對天津大學試驗進行了理論分析，所得分析值與試驗結果相比，加固梁的屈服荷載、極限荷載能夠很好地吻合，彎矩曲率關系曲線及彎矩撓度關系曲線較為吻合；其次，為了滿足實際工程的需要，根據碳纖維布加固構件可能發生的三種破壞形態（壓區混凝土壓碎破壞、碳纖維布拉斷破壞以及受拉鋼筋尚未屈服時壓區混凝土已壓碎破壞） ，區別三種鋼筋混凝土構件截面形式（單筋矩形截面、雙筋矩形截面、 t形截面） ，分別給出了碳纖維布加固混凝土構件抗彎承載力的簡化計算公式和適用條件，並進一步探討了這三種截面形式下進行加固設計和復核的步驟。
  8. Moreover, six externally prestressed beams which were experimented overseas were analyzed with this method developed, by comparing the calculation result and the experiment data, it is found that the calculating method has a satisfactory precision and is worth being promoted

    利用這一概念，建立了直接通過塑性鉸區長度和曲率半徑求體外預應力筋應力和梁極限彎矩的簡化公式，用簡化公式對國外有關6片體外預應力梁進行了計算，並與試驗結果進行對比，證明本研究中的簡化公式具有較好的精度，值得推廣。
  9. Based on the theory of thin - walled curved bar, reasonable hypothesized a third - ord parabolic curve, the paper adoptes variational method on energy, taking the coupled relationship of the effect of curvature radius, bend, torsion and shear - lag into consideration, establishes the elastic governing differential equation and boundary conditions for thin - walled curved box girders, which set the foundation of theoretical analysis of shear - lag effect in thin - walled curved box girders

    摘要文章以薄壁曲桿理論為基礎，合理地假設了三個剪力滯翹曲位移函數，應用能量變分法推導出考慮曲率半徑影響、彎、扭、剪力滯耦合的曲線箱梁彈性控制微分方程及其邊界條件，為薄壁大麴率箱梁剪滯效應建立了理論分析基礎。
  10. According to unified theory and hysteretic model based on section, the hysteretic models of steel beam, reinforced concrete beam and concrete filled steel tubular ( cfst ) structure column were chosen respectively, then the nonlinear structural analysis program called idarc is employed to determine the skeleton curve of the concrete filled steel tubular frame structure

    摘要以鋼管混凝土統一理論為基礎，從截面層次的恢復力模型出發，鋼管混凝土柱構件選用三線型彎矩曲率滯回模型；鋼梁採用雙線型彎矩轉角滯回模型；鋼筋混凝土梁選用三線型彎矩轉角滯回模型。
  11. Firstly, it needs to separate the girder hull into many elements - pulled one and pushed one. secondly, when the ship is in hogging or sagging, you should assume one curvature value so you can get the moment value of every element at this curvature. and then you may add up all the moment of every element

    當船體梁在中垂或中拱狀態下時，假定一個初始曲率，根據各個單元對瞬時彈性中和軸彎矩的貢獻，累加得到相對于這個曲率的總彎矩，然後判斷彎矩是否達到極值，如未達到，則增加曲率，重復上述過程，直到彎矩為極值為止。
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