目前工程师们正在着手研发“抗绞拧翼梁机翼”,他们计划在今年夏季晚些时候进行飞行测试。
Engineers are currently developing what Icon refers to as a "spin-resistant wing" which they plan to flight test later this summer.
但是在2008年,公司发现内部机身结构与机翼结合处的787的碳素纤维“翼盒”,强度不够并且需要金属翼梁的加固。
But in 2008, the firm found that the 787's carbon-fibre "wingbox", the internal fuselage structure the wings attach to, was not strong enough and needed stiffening with metal spars.
翼弦,梁或框架的结构部件。
国内外对组合梁混凝土翼板有效宽度的研究,弹性分析较多。
The study about effective width in and abroad are mostly based on theory of elasticity.
钢与混凝土组合梁的设计和分析中,通过引入有效翼缘宽度的概念考虑混凝土翼板中剪力滞后的影响。
In the analysis and design of steel-concrete composite beams, the concept of effective flange width is introduced to consider the impact of shear lag.
在冷弯薄壁型钢结构中,为了降低层高而让管线从梁中通过,在梁和柱的腹板及翼缘中常需要开孔洞。
In cold-formed steel structures, we need to open holes on flange and web of beams and columns for the purpose of getting through the pipeline.
剪切变形的影响使得箱形梁的翼板中出现应力不均匀现象,尤其是悬臂箱形梁剪力滞现象。
The influence of shearing deformation causes the non-uniform stress in the wing plate of the box girder, especially the cantilever box girder.
在纯弯或纯剪分别作用下的工字形焊接板梁,在弹性范围内腹板屈曲时,翼缘会对腹板起约束作用。
When a welded I-section plate girder is subjected to bending or shearing, buckling of web in elastic range will be restrained by flanges.
介绍了五座城市立交桥或高架桥的钢筋混凝土连续箱梁翼板横向开裂的情况。
The cases of transverse cracking in the flange slabs of reinforced concrete continuous box girders of five urban flyovers or viaducts are introduced.
本文对外肋环板节点梁翼缘受拉模型的传力机理进行了分析。
Force transfer mechanism of the vertical stiffener joint model with only tensile beam flange is analyzed.
最后进行在弯矩作用下蜂窝梁翼缘对腹板的约束作用分析。
The effect of flanges restraint on the web in castellated beams under uniform moment is analyzed.
梁翼缘处的焊缝强度是决定狗骨式刚性连接节点性能的主要因素,只有具有良好的焊缝质量才能发挥狗骨的作用。
The welding seem stress of beam-flange is the major factor which decides the behavior of dog-bone style rigid joint and only the better welding can exert the function of the dog-bone.
在切去梁翼后(简称切口)梁的侧向屈曲强度会比通常采用的设计理论所计算的强度大大降低。
When a beam flange is coped at the connection, the lateral buckling strength of the coped beam could be significantly less than that predicted by current formulas.
结合工程设计,对上翼铺设压型钢板屋面的蜂窝梁式檩条进行了试验。
This paper introduces the experiment made on the castellated beam purlins installed on the roof of me formed steel sheetings.
在上翼缘处有足够的松动,因而在主梁腹板上并不会引起很大的相对扭转。
At the top flange there would be enough slack so that no relative twist of any significant magnitude would be introduced into the girder web.
组合梁是钢梁和其上混凝土翼板共同抗弯的一种构件。
The composite beam is a component comprised the steel beam and the concrete flange plate on the steel beam.
尾梁从机身渐细到后掠尾垂翼,尾螺旋桨在锥形尾垂翼右侧,二个尾平翼被装在尾梁两侧。
The tail boom tapers from the main body to the swept-back, tapered fin with a rotor on the right. Two flats are mounted on the both side of the boom.
梁的受拉翼缘对受弯承载力的贡献;剪力滞。
The contribution of tension flange to the flexural strength of the beam; shear lag concept.
根据研究,提出了迅速选择不等翼缘钢梁经济梁高的公式和图表。
Based on this study, formulae and design charts are provided to select readily an economical depth of unequal-flanged steel girders.
根据最小势能原理,建立宽翼缘t梁竖向弯曲的控制微分方程及边界条件。
According to the principle of minimum potential energy, the governing differential equations and boundary conditions are established for T-beams with wide flanges under vertical bending.
采用残余应力和力学性能测定、化学成分分析、断口扫描及金相检验等方法对铁路货车用l - B型组合式制动梁撑杆翼板产生裂纹的原因进行了分析。
The integrated analysis of crack failure for L-B Composite Brake Beam Bar Flange Slab was made by means of SEM, microscope and chemical analysis.
在工程中为保证肋板对集中力荷载的承载力要求,建议肋板厚度取一倍于梁翼缘厚度。
In order to ensure the limit capacity of stiffener, it is suggested to choose thickness of stiffener as the same as beam flange.
将梁受拉翼缘单独取出,与箱形柱连接形成分析模型。
The tension side of the beam flange which was separated from the beam and the box-column formed the model for analysis.
例如,可以使用接头将强化板、悬浮翼脚或纵梁接合到诸如机翼或机身蒙皮之类的面板。
For instance the joint may be used to join a reinforcing plate, floating rib foot, or stringer to a panel such as a wing or fuselage cover.
另外两个节点分别考虑了连接在梁翼缘的水平加劲板的作用和连接上下两个翼缘的垂直三角板的作用。
Another detail considers the addition of horizontal reinforcing plates (cover plates) to the beam flanges; a third adds vertical triangular (fin) plates to both beam flanges.
试验证明,在纵向预应力作用下的计算截面应取道床板全部截面作为主梁下翼缘共同工作。
Tests show that the cross section of the whole deck, working jointly as the lower flange of the main girder, should be taken for the calculated section subjected to longitudinal prestressing force.
第二种是产生于立柱翼缘与主梁翼缘连接处的坡口焊缝焊趾处的裂纹。
The second crack is a crack originating at the groove weld toe of the column flange-girder flange connection.
在两端简支的边界条件下采用分离变量法求解偏微分方程,得到用级数表示的应力解,然后根据剪力滞系数的定义即可得到组合箱梁翼板的剪力滞系数。
Separation of variables is employed to solve the differential equation under the boundary condition of two ends of the girder being simply supported, and the solution of stress is…
在进行抗弯性能的影响参数数值分析中,分析了上下翼缘宽厚比,腹板高厚比及混合设计的材料匹配对试验梁抗弯性能的影响。
What's more, the finite element molds were revised for bending parameter study, including the dimension of flange and web, and the material in hybrid girder.
在进行抗弯性能的影响参数数值分析中,分析了上下翼缘宽厚比,腹板高厚比及混合设计的材料匹配对试验梁抗弯性能的影响。
What's more, the finite element molds were revised for bending parameter study, including the dimension of flange and web, and the material in hybrid girder.
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