均勻梁 的英文怎麼說
中文拼音 [jūnyúnliáng]
均勻梁
英文
uniform beam-
As the commonly used foundations in the bridge engineering, large - diameter bored piles have many advantages, such as high bearing capacity, good stability, little and homogeneous vertical settlement, facility for mechanician construction and good applicability
樁基礎是一種常用的橋梁基礎型式,具有承載力高、穩定性好、沉降量小而均勻、便於機械化施工及適用性強等特點。Analytical solution of the bending problem of piezoelectricity cantilever beam under uniformly distributed loading
均勻分佈荷載作用下壓電懸臂梁彎曲問題解析解2 ) the structure elements should be laid out symmetrically and uniformly when designing steeve - arch structure, what ' s more, the reasonable selection of section geometric size near the arch foots of first beams is paid attention to and the arrangement difficulties of steel bar due to the big eccentric pressures 2, the analyses of anti - seismic features on transverse direction of the aqueduct l ) the method of adjusting the elements " mass can be harnessed in order to even the layout of seismic loads
2 )設計吊桿式拱架支承結構時,各部分構件應當均勻對稱布置。另外,還應注意頭道梁拱腳附近截面的尺寸擬定,克服地震內力造成的大偏心受壓狀態給結構配筋設計增加的困難。 2 、橫槽向抗震性能分析1 )可利用調整構件質量的方法,使得結構的某些構件的地震荷載分佈均勻一些。In this paper, the geogrids structure, the flexible beams strucrure, the geogrids and flexible beams structure are analysed with algor, and it is used to analys the influence of some paramenters. such as the modulus of structural layers, size of structure, place of structure, non - uniform settlements. and the contrast of the three structures is analysed in this paper. we can see the reasonable size and reasonable place through analyse. the analyse of the test road show that the structures worked well for about two years and the reflection cracks have not be found
本文首先藉助algor有限元軟體對土工格柵處治結構、柔性枕梁處治結構及土工格柵與柔性枕梁復合結構進行了力學分析,包括各結構層模量影響規律分析,格柵及枕梁尺寸、位置影響規律分析,路基不均勻變形影響規律分析,各種處治結構間的對比分析等。通過分析,得出了各結構的合理尺寸及合理的布設方案。The work done in this paper is mainly as follows : ( 1 ) the wide beam should intrude to the wall at some length to make the flexural stress uniform along beam section width, thus make full use of the beam ' s bearing capacity and avoid the shear failure in the concrete joint. and it also prevents stress focus and concrete crack in the local shear wall
關于寬梁與薄墻肢節點,可以得出以下幾點初步結論:寬梁應該深入墻肢一定的深度,以使寬梁截面的彎曲應力沿著梁截面寬度分佈均勻,充分發揮寬梁的抗彎能力,同時避免節點區混凝土的剪切失效,也避免剪力墻的局部因為受到的應力過大而拉裂。Several problems of the durability of the reinforced concrete ( rc ) member in marine environment have been studied in this paper, which includes chloride ' s ingression in concrete, performance of concrete in marine environment, non - uniform corrosion model of reinforcing bar, initial corrosion of reinforcing bars in concrete beam and mechanical performance of corroded concrete member
本文對海洋環境中鋼筋混凝土耐久性的若干問題進行了研究,主要包括氯離子在混凝土中的滲透、混凝土在海洋環境侵蝕下的性能變化情況、鋼筋的不均勻銹蝕、混凝土梁中的鋼筋初始銹蝕、和銹蝕混凝土梁的力學性能等內容。2. the load transverse distribution coefficient is homogeneous, which shows the whole forced condition is good
2 、荷載橫向分佈系數較均勻,表明橋梁整體受力性能較好。In postnatal 12 and ismonths testes, the number of postive cells persistently increased. in 24 months testes, some spermatocytes also displayed strong enos immunoreactivity. from 3 weeks to 3 months, the permeability of microvascular was on the trend of increase while it was on the trend of decrease from 12 months to 24 months. s. biood - testis barrier : the basal lamina of endothelium cells developed from thin, broken and unequal electronic density to thick, full and high electronic density with aging
(巧1 ; 1 {性農i返_微1111扮通透性從3周齡至3月齡』 l 』增人趨勢, 12月齡到24月齡纖微l陽粉通透性: ,減小趨侖5 .血梁屏障:隨著增齡,毛細血憐內皮細胞的基膜由薄、斷續、電子密度不均逐漸發展為基脫垮、完招、 .毯子密度較高而均勻,厚度逐漸增加。As regards to the spheric thin shell structure under external hydro static pressure, basing on flat - plate theory and by using basic von karman equations for large deflection, the equilibrium problem of axisymmetric bending of the spheric shell under uniform external pressure is simplified to an equilibrium problem of bending of elastic basic flat - plate and further converted into an equilibrium problem of beam on elastic fundation taking into consideration of the deformation characteristics
對球形薄殼結構隨靜水外壓的情況,應用平板理論中的vonkarman大撓度基本方程,將球形薄殼在均勻外壓下的軸對稱彎曲平衡問題簡化為彈性基礎平板的彎曲平衡問題,進而再根據變形特點將其轉化為彈性基礎梁的復雜彎曲平衡問題。Based on comparison of several technical schemes, the method of sand bedding pre - elevating and step water - filling pre - compressing is adopted. so the dissertation is consist of two parts : ( 1 ) the applicability study for the method of sand bedding pre - elevating and step water - filling pre - compressing, including numerical analyses for the thickness of sand bedding, the consolidation, settlement and stability of foundation, drainage, possibility of foundation liquefaction under seismic loading, et al. ( 2 ) monitoring at construction stage and checking the effect of foundation treatment, including the measurements of the settlement velocity and non - uniform settlement of ring beam under the tank, pore pressures and horizontal displacements in foundation, the pressure distribution at the bottom of oil tank and the strength increase of soils
通過多種技術方案比較,最終選擇了技術先進的砂墊層預抬高分級充水預壓法,論文工作主要由以下兩部分組成: ( 1 )砂墊層預抬高分級充水預壓法的適用性研究,其中包括砂墊層厚度、地基沉降與固結度、地基穩定性、降水、地震作用下砂土液化的可能性等方面的計算分析; ( 2 )施工監測與地基處理效果檢驗,其中包括油罐環梁基礎沉降速率與不均勻沉降程度、各分級充水加載階段地基超靜孔壓與深層水平位移、油罐底板壓力分佈及地基土強度增長等方面的實測與數據分析。As far as the solid inclined column - wall transfer r. c joint is concerned, the inclined column with a bigger angle 、 transfer beam and square column work as a whole, and the load transfer mechanism is similar to the transfer beam. the stress state in the wall is much more even, so the effect of transfer is much better than that of the hollow inclined column - wall transfer r. c joint
對無孔斜柱轉換節點而言,由於斜柱與轉換梁和方柱形成了一個整體,而且斜柱角度較大,因而其傳力機制和加腋的轉換梁類似,但薄壁柱中的應力分佈更為均勻,轉換效果更好。This variation of stresses is due to the action of in - plane shear strain in the plate, which is termed “ shear - lag ”. stresses larger than the elementary bending uniform stress thus develop at the web - flange connection. an appropriate reduced “ effective width ” of the plate - with the uniform stress equal to the maximum longitudinal stress - has been widely used by engineers in conjunction with the elementary beam bending theory
但實際上翼緣中剪切變形是不均勻的,由此導致正應力沿橋寬呈曲線分佈,從而引出了有效寬度的概念,即按初等梁理論的公式也能得與真實應力峰值接近相等的那個翼緣折算寬度。Broken line converting method for bending analysis of heterogeneous beam with variable cross - section
非均勻變截面梁彎曲問題的折線折演算法Consequently time and cost can be saved greatly. ( 3 ) design method for controlling cracks in the negative moment zone of the continuous composite girder the crack mechanism of the concrete deck in the negative moment zone of the coniinuous composite girder, the relationship between the crack and the int
分析認為,採用中間支點升降法與調整混凝土板施工順序相結合的施工方法,不僅可以避免負彎矩區混凝土裂紋,還可以合理調整鋼梁和混凝土板的內力,並使端支點與中間支點反力更均勻,使組合梁橋的結構更加經濟合理。In the mechanics of composites material the term homogenization indicates the passage from the micro to the macro scale to relate the mechanical properties of the composites material to the properties of the single phases
這種假定使我們在編織復合材料的強度和剛度性能分析中能採用均勻化理論數值模型。編織復合材料的均勻化過程提供了從材料微觀尺度的力學性能到宏觀尺度力學性能名義參數的橋梁。Because the intervals of two side girders are relatively large in the structure of the floor, it is not even and some and out of shape that its bridge of panels must be produced at the same time horizontally and crookedly and vertically except deforming wholly, level analyse can receive the satisfied result already at this moment, is it is it accord with floor structure real work state, girder of cable - stay bridge just to analyse with whole out of shape relevant non - linear space of function while being out of shape while being above - mentioned to consider only, but about this research rarely seen to report bridge worker is it understand their receive strength characteristic in an all - round way to need badly publicly
由於肋板結構中兩個邊主梁的間距較大,其橋面板除整體受力變形外必然同時產生橫向彎曲和縱向不均勻局部變形,此時平面分析已不能得到滿意的結果,只有考慮上述變形與整體變形相關作用的非線性空間分析才符合肋板結構主梁斜拉橋的實際工作狀況,但有關這方面的研究鮮見公開報道,橋梁工作者急需全面了解其受力特性。In elementary beam bending theory, it is assumed that the stresses are constant through the width of the beam. however, for the wide flange girders, the stresses are not uniform
按照初等梁理論即假定翼緣板具有無限抗剪剛度,寬翼緣箱梁在荷載作用下翼緣的正應力沿著寬度方向上是均勻分佈的。After comparing between the finite - element analysis and experimental results, the author verified the fem. then according to the chinese code, the nonlinear finite model of the beam - to - column is established which are made of different size components. the responses of beam - to - column web moment connections which are made of different size components are compared and analyzed from three facets, and the conclusions about the joints behavior are drawn : thicken the connection plate, lengthen the connection plate or use a back - up stiffer can improve the connection behavior, consist of improving the behavior of load - supported and reducing the stress convergence in the flange moment plates
本文根據我國規范的有關規定,自行建立了12個不同構件尺寸的樑柱腹板連接的三維有限元模型,對不同構件尺寸的樑柱腹板剛性連接節點在單向荷載作用下的反應進行了研究,從結構的mises應力等值線示意圖、梁端加載處的荷載? ?位移曲線、翼緣連接板兩端的mises等效應力以及翼緣連接板與柱相連接的三邊的mises應力等值線示意圖四方面進行了比較與分析,從而得出了不同構件尺寸的樑柱腹板剛性連接的在受力行為上的結論:增加翼緣連接板的厚度、增加翼緣連接板的長度以及採用柱的橫向加勁肋均可以改善節點的受力性能:提高節點的承載能力;減小翼緣連接板內部與柱翼緣邊的的應力不均勻現象,從而避免試件過早地發生破壞。According to different transverse difference in temperature and lengthways difference in temperature, the paper gave the method of computing temperature effect including : 1 ) the stress ot1 caused by nonlinear difference in temperature. 2 ) the constrain stress o t2 in undetermined structures by equivalent difference in temperature. 3 ) the constrain stress ot3 caused in undetermined structures by even difference in temperature tm
針對具有不同性質的橫向溫差和縱向溫差,本文分別提出了預應力結構的溫度效應的計算方法,包括: 1 )非線性溫差引起的自約束應力_ ( t1 ) ; 2 )等效線性溫差引起的超靜定結構的約束太原理工大學碩士學位論文應力民3 )均勻溫差tw引起超靜定結構中的約束應力4 4 )均勻溫差tm引起梁的軸向變形受到柱的側向約束,與預應力筋的溫度變形之間的差異引起的預應力的變化。The performance of concrete in marine environment is studied thropgh material and x - ray microstructural examination. the uneven distribution of chloride in concrete around the reinforcing bar in fullscale are obtained through ion chromatography method. based on faiadi ' s theory, and chloride ' s influence on passivating film, pre - determine model of reinforcing bar uneven corrosion model was established, which can determine the corrosion amount of the reinforcing bar
對取自海邊的足尺混凝土梁中縱筋周圍的混凝土進行了氯離子的含量測定,確定了氯離子在鋼筋周圍的不均勻分佈:然後,從法拉第定律和氯離子對鈍化膜的影響入手,建立了鋼筋不均勻銹蝕的模型,可以計算出任意時刻鋼筋的銹蝕量。分享友人