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弹性支承反力
相关语句
  elasticity supporting force
    The rigidity crossbeam structure is supported elastically by every longitudinal beam in orientation calculation,and the elasticity supporting force is obtained with the unit move function of load. It is the transverse load distribution influence line coordinate value.
    计算时,刚性横梁弹性支承在各纵梁上,在单位移动荷载作用下,可求得横梁的弹性支承反力,其值即为纵梁的荷载横向分布影响线坐标值.
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In the design of a curved girder bridge,adopting the big external girder will be more reasonable because the external girder of the curved girder bridge bears more loads than inner girders. In this paper,a detailed analysis of curved girder bridges with the big external girder is made by using the spring coefficient method of redundant rigidity and В.З.Впасов equation of curved girders and taking the warping and twisting effects into accounts. The calculation formulae of elasticity supporting reactions are...

In the design of a curved girder bridge,adopting the big external girder will be more reasonable because the external girder of the curved girder bridge bears more loads than inner girders. In this paper,a detailed analysis of curved girder bridges with the big external girder is made by using the spring coefficient method of redundant rigidity and В.З.Впасов equation of curved girders and taking the warping and twisting effects into accounts. The calculation formulae of elasticity supporting reactions are deduced, then the transversal distributing influence line of loads is obtained.The presented results provide a theoretical basis for the load calculation of such structures.

由于曲线梁桥的外边梁受力较内梁显著增大 ,在曲线梁桥的设计过程中 ,采用具有大边梁的曲线梁桥将使结构受力更为合理。文章考虑到结构翘曲扭转的影响 ,利用多余刚度的弹簧系数法 ,同时结合曲梁的符拉索夫方程 ,对具有大边梁的曲线梁桥进行分析 ,推导出弹性支承反力的计算公式 ,据此求得荷载横向分布影响线 ,为此类结构的受力分析和内力计算提供了理论依据

The elasticity support rigidity crossbeam method is brought forward according to orientation structure endure force character of skew bridge with multilongitudinal beams.The rigidity crossbeam structure is supported elastically by every longitudinal beam in orientation calculation,and the elasticity supporting force is obtained with the unit move function of load.It is the transverse load distribution influence line coordinate value.Moreover,the transverse load distribution factor of the skew bridge midspan...

The elasticity support rigidity crossbeam method is brought forward according to orientation structure endure force character of skew bridge with multilongitudinal beams.The rigidity crossbeam structure is supported elastically by every longitudinal beam in orientation calculation,and the elasticity supporting force is obtained with the unit move function of load.It is the transverse load distribution influence line coordinate value.Moreover,the transverse load distribution factor of the skew bridge midspan can be obtained through the most disadvantageous loading,and then the endure force of the longitudinal beams can be calculated.The method is very simple and reasonable.It provides one convenient approach for the skew bridge design.

根据多梁式斜梁桥结构及其横向受力特点,提出了“弹性支承刚性横梁法”进行跨中荷载横向分布的计算.计算时,刚性横梁弹性支承在各纵梁上,在单位移动荷载作用下,可求得横梁的弹性支承反力,其值即为纵梁的荷载横向分布影响线坐标值.通过最不利横向布载可求出斜梁桥跨中荷载横向分布系数,从而进行纵梁的受力计算,此法简单合理,为斜梁桥的设计提供了一种方便的途径.

 
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