shear lag 中文意思是什麼
shear lag
解釋
剪切滯后-
The study of influence of the crossbeam and corner prop on shear - lag in the thin - wall curve box beams
橫隔板及角隅承托對薄壁曲線箱形梁剪力滯影響的研究 -
In the thesis, fem and plexiglass model test are used for the research of shear lag effect on double - level continuous box girder
本文運用有限元分析和有機玻璃模型試驗方法對雙層荷載連續箱梁的剪力滯效應進行深入研究。 -
The work in this thesis mainly includes following parts : 1. as for box girder cross section, the three - bar stimulation method under typical loads and supports has been introduced. the force and stress formulae for flanges have been derived from the three - bar method. by reasonable simplification for multi - cell box girder, the three - bar method has been applied in multi - cell box girder ' s shear lag analysis
對于箱形截面主梁，本文介紹了三桿比擬法上、下翼板中比擬桿的計算公式，以及在典型荷載和支承的情況下翼板內各桿的應力計算公式，並對多箱式主梁截面進行合理簡化，使三桿比擬法應用於多室箱梁的剪力滯分析。 -
Analysis of shear lag effect of great cantilever steel box beam
大懸臂鋼脊骨梁結構模型剪力滯效應探討 -
This thesis studies shear lag effect on three representative forms of cable - stayed bridge cross sections by different theoretical methods
本文針對斜拉橋具有代表性的三種截面形式，採用不同理論計算方法對其剪力滯效應進行研究。 -
The plexiglass model test is carried out by two selective shape, the stress of each test operating loads was obtained in order to validate the correctness of the finite element modeling. in this paper, a regularity of shear lag effect of main sections in two kinds of box girder is given. as the foresight project of double - level - driveway continuous box girder, this research fully utilizes the space of box girder structure and flexural and torsional properties of high - depth box girder, which have innovative significance and applied foregroundin engineering
對所選擇的結構形式進行縮尺有機玻璃模型試驗，得到實腹連續箱梁和空腹箱梁在各種試驗工況荷載下的應力，通過換算分析，驗證了本文所建立的有限元模型的準確性，由此得到兩種箱梁各主要斷面剪力滯效應的變化規律。 -
Under tensionloading, these gusset plate connections can be susceptible to shear lag failure of thehss since only a part of the tube cross - section is connected to the plate
由於鋼管截面只是部分和鋼板連接，在拉力作用下，管板節點易發生剪切滯后破壞。 -
Modeling the general solid web continuous box girder and opening - in - web ( open web ) continuous box girder by ansys finite element modeling tool, node stress of governing section and corresponding shear lag values are analyzed. the solution is validated by comparing with variational results and modeling test values. based on the model, the section shear lag induced by dead load, prestress tendons and car loads under the most unfavorable condition and lateral symmetry are also approached. the influence of shear lag effect in double - level continuous box girder is considered with opening - in - web and the web location. the analysis indicates that double - level - load arouses less shear lag effect than one - level - load. when self - weight and prestressed tendons act on together, the shear lag effect on box girder take on a evidently change
基於所建立的有限元模型，本文分別對實腹和腹板開孔兩種箱梁在恆載、車載、預應力荷載作用時，各主要截面的剪力滯效應進行分析，通過施加縱向最不利的和橫向對稱的車輛荷載，研究實腹連續箱梁和空腹連續箱梁在承受雙層荷載和單層荷載時引起的剪力滯效應，並考慮腹板開孔及開孔位置對于連續箱梁剪力滯效應的影響。分析表明，雙層車載對于箱梁引起的剪力滯系數比單層車載的影響要小，對于箱梁中存在引起的剪力滯后現象有一定的改善作用。 -
Based on the research of influenced parameters on constant and varying depth solid web box girder before, the shear lag aroused by the parameters including width - span ratio, outstanding flange on base slab and the position of the tendons are further studied. the investigation show that shear lag values diminish along with the decease of width - span ratio and the departure from the symmetrical axis of anchor position, but outstanding flange is contrary to the former
在前人對等截面、變截面實腹箱梁剪力滯效應影響參數研究的基礎上，本文進一步對腹板開孔的連續箱梁的寬跨比、底板翼緣伸出以及預應力錨固位置改變等參數對箱梁剪力滯的影響進行研究。 -
The analysis of shear lag effect of thin - walled box girder
混凝土橋梁施工溫度與裂縫產生原因分析 -
A refined analysis method for shear lag effect of thin - walled t - beams with wide flanges
梁剪滯效應分析的改進方法 -
Study on the generalized moment in shear lag effect analysis of the box girder
箱形梁剪滯效應分析中的廣義力矩研究 -
Research of practical calculating method of the shear lag effect in curved box girders
曲線箱梁剪力滯效應的實用計算方法 -
Analysis of shear lag effect of long - span continuous rigid - frame box - beam bridges
輕質高強混凝土在連續剛構橋中的應用分析 -
It is a new method to find the displacement function form in analysis of shear lag effect on thin - walled box girder
為薄壁箱梁的剪力滯效應分析提供了新的思路和方法。 -
The results of numerical simulations and analytical solution show good accordance, except in the region near the fiber ends, where the shear - lag approach causes considerable discrepancy. next, to overcome the unrealistic assumption of perfect bonding, augmented - lagrange contact algorithm, element " birth - death " and fem are combined in the study of the partial debonding between fiber and matrix under pull out forces
然而完全粘結的假設過于理想，與實際應用相差較大，因此，本論文將有限元法，接觸演算法和單元生死法結合起來，研究較大抽拔力作用下，纖維與基體之間發生的逐步脫粘的過程，所得到的抽拔力的變化結果，與試驗數據比較，較為一致。 -
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。 -
To give more information about the shear lag phenomena in the short leg walls, a computer program of finite element analysis is compiled
在此基礎上，論文進一步研究了剪滯效應對短肢剪力墻工作性能的影響。 -
A complete parabolic shear - lag analysis containing delamination damage induced by transverse cracks was proposed and applied to predict the global properties of materials
第三，研究了在應力較高時橫向開裂裂紋的裂尖引發的分層損傷現象。 -
Buckling analysis of thin - walled members in consideration of shear lag
考慮剪切變形的薄壁桿件穩定分析
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