• 目前工程师们正在着手研发“抗翼梁”,他们计划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.

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  • 但是2008年,公司发现内部机身结构结合处787碳素纤维”,强度不够并且需要金属的加固。

    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.

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  • 框架结构部件

    CHORD, a structural component of spars or frames.

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  • 国内外组合混凝土有效宽度研究弹性分析较多。

    The study about effective width in and abroad are mostly based on theory of elasticity.

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  • 钢与混凝土组合设计分析通过引入有效宽度概念考虑混凝土板中剪力滞后影响

    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.

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  • 薄壁型钢结构为了降低层高而管线通过,在腹板缘中常需要孔洞

    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.

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  • 剪切变形影响使得出现应力均匀现象,尤其是悬臂箱形剪力现象。

    The influence of shearing deformation causes the non-uniform stress in the wing plate of the box girder, especially the cantilever box girder.

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  • 分别作用下的工字形焊接弹性范围内腹板屈曲时,腹板约束作用。

    When a welded I-section plate girder is subjected to bending or shearing, buckling of web in elastic range will be restrained by flanges.

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  • 介绍了城市立交桥高架桥钢筋混凝土连续横向开裂情况

    The cases of transverse cracking in the flange slabs of reinforced concrete continuous box girders of five urban flyovers or viaducts are introduced.

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  • 本文对外肋环板节点受拉模型机理进行了分析。

    Force transfer mechanism of the vertical stiffener joint model with only tensile beam flange is analyzed.

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  • 最后进行弯矩作用蜂窝腹板约束作用分析。

    The effect of flanges restraint on the web in castellated beams under uniform moment is analyzed.

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  • 缘处焊缝强度决定狗骨刚性连接节点性能主要因素只有具有良好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.

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  • 切去后(简称切口)侧向屈曲强度通常采用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.

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  • 结合工程设计,对上铺设压型钢板屋面蜂窝式檩条进行试验

    This paper introduces the experiment made on the castellated beam purlins installed on the roof of me formed steel sheetings.

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  • 足够松动因而在主腹板上并不引起很大相对扭转

    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.

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  • 组合混凝土共同抗弯一种构件

    The composite beam is a component comprised the steel beam and the concrete flange plate on the steel beam.

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  • 机身渐细掠尾垂,尾螺旋桨锥形尾垂右侧,二个被装在尾两侧

    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.

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  • 受拉弯承载力的贡献;剪力

    The contribution of tension flange to the flexural strength of the beam; shear lag concept.

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  • 根据研究,提出了迅速选择不等经济公式图表

    Based on this study, formulae and design charts are provided to select readily an economical depth of unequal-flanged steel girders.

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  • 根据最小势能原理建立t竖向弯曲控制微分方程边界条件

    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.

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  • 采用残余应力力学性能测定、化学成分分析、断口扫描金相检验等方法铁路货车l - B型组合式制动撑杆产生裂纹原因进行了分析。

    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.

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  • 工程中保证板对集中力荷载承载力要求,建议肋板厚度取一倍厚度。

    In order to ensure the limit capacity of stiffener, it is suggested to choose thickness of stiffener as the same as beam flange.

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  • 受拉单独取出,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.

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  • 例如可以使用接头强化悬浮接合诸如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.

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  • 另外两个节点分别考虑连接在水平加劲作用和连接上下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.

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  • 试验证明,在纵向预应力作用下的计算截面取道床板全部截面作为共同工作

    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.

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  • 第二产生于立柱与主缘连接处坡口焊缝焊趾处裂纹

    The second crack is a crack originating at the groove weld toe of the column flange-girder flange connection.

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  • 在两端边界条件采用分离变量求解微分方程,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…

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  • 在进行抗弯性能影响参数数值分析中,分析上下缘宽厚,腹板高厚比及混合设计材料匹配对试验抗弯性能的影响。

    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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  • 在进行抗弯性能影响参数数值分析中,分析上下缘宽厚,腹板高厚比及混合设计材料匹配对试验抗弯性能的影响。

    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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