| 1. | Experimental study on elastoplastic buckling strength of web in i - section girder 钢梁腹板弹塑性屈曲强度的试验研究 |
| 2. | Allowed the local buckling of elements and made use of the post - buckling strength , the effective width method is often used to calculate the load - carrying capacity 为了用料经济,允许板件产生局部失稳,其承载能力以利用板的屈曲后强度为特点的"有效宽度"方法来计算。 |
| 3. | Then a series of buckling strength analyses are performed to investigate the combined effects on the elastic local buckling strength by using this method and some useful conclusions can be drawn 因此为了更加精确的计算加筋板的屈曲强度,本文在计算中将充分考虑这些综合因素的影响。 |
| 4. | ( 4 ) introducing how to evaluate load capacity pn of wall stud considering post buckling strength of plate element . local buckling effects are determined according to the effective width method used in specifications gb50018 _ 2002 and aisi96 ( 4 )参照gb50018 、 aisi96二本现行规范,采用有效宽度法考虑局部屈曲后强度并对非弹性屈曲应力进行修正,给出了考虑局部屈曲影响和进行非弹性修正后立柱的稳定承载能力p _ n 。 |
| 5. | In the analysis of the elastic local buckling strength of the stiffener ' s web , the elastic critical stress is analytically derived by solving the characteristic value problem involving the governing differential equation under the corresponding loading and boundary conditions 对于加筋板中加强筋腹板的局部屈曲,则用解析法推导出筋的腹板的挠度方程及其边界条件,求解相应的方程,从而计算出腹板的局部屈曲应力。 |
| 6. | In the analysis of the elastic local buckling strength of the plates in stiffened plates , an analytical expression is derived for calculating the local strength of a stiffened plate subjected to biaxial thrust considering plate / stiffener interaction and welding residual stresses and initial deflection 由于船体中的加筋板结构的受力情况是十分复杂的,除了主要受到由于总纵弯曲而产生的纵向压力以外,还会受到横向的压力以及垂向压力。 |
| 7. | In this paper we study the transverse stiffeners of the thinned - web beam bearing several concentrated longitudinal strain actions . thinking of using post - buckling strength of web plate , we study some facts about tran sverse stiffeners including strain ability , condition of breaking , calculation of strength and stabilization of the stiffener bearing regional load action 本文对受多个集中荷载作用的薄腹板梁的横向加劲肋进行了研究,分析了利用腹板屈曲后强度时,横向加劲肋的受力状态、破坏机理,以及加劲肋局部承压的强度计算公式和稳定计算方法。 |
| 8. | The aims of this thesis are buckling and ultimate strength . its main content is as follows : emphasizes the significance and purpose of the research in buckling and ultimate strength , and reviewing the status in this field , and puts forward the research task ; analyzes and discusses the design formulations for the buckling strength of the ship plating , in which the influence of residual stresses , lateral pressure , cut - outs and rotational restrains is taken into account 本文以船体板的屈曲和极限强度为研究目标,主要内容有: ?指出研究船体板屈曲和极限强度的意义和目的,简要回顾了国内外的研究现状。并提出本文的研究内容; ?考虑残余应力、侧向压应力、开孔和扭转约束对于板格的屈曲强度的影响,讨论了各个因素影响下的板格的屈曲强度计算公式。 |
| 9. | Gabled frames are widely used in industry and civil engineering , it ' s web plates " local buckling calculated formula in the technical specification for steel - structure of one - storey light - weight buildings with gabled frames ( cecs102 : 98 ) are based on the rectangular plates " and did n ' t consider the interaction of the fringe plate . so , there are some different between the actual members and the prescript of the specification , and the post - buckling strength ' s calculated formula is based on the local buckling ' s , it must have some unreasonable 楔形门式刚架广泛地应用于工业与民用建筑中, 《门式刚架轻型房屋钢结构技术规程》 ( cecs102 : 98 )中楔形腹板局部屈曲的计算公式来自矩形板,并且没有考虑翼缘的相关作用,因此,规程中的规定与构件的实际工作状况有一定的差异,且屈曲后强度的计算公式也是以局部屈曲系数为基础的,势必有其不合理性。 |