Therefore, it is how to change applied force system of structure, redistribute internal force of structure, improve bearing capacity by estimating evolution of bridge from the angle of internal cause that should be seriously studied.
因此,如何从内因的角度通过对桥梁结构承载能力演变过程的预测,改变结构的受力体系,重新分配结构内力,改善结构自身受力状况来提高桥梁的承载能力,是需要认真研究的问题。
参考来源 - “释能法”加固石拱桥技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Nowadays, the analysis on internal force of structure is based on the hypothesis of plane system, but it can not solve the problem of stereoscopy.
现阶段在工程结构内力分析中，主要是基于平面体系的假设，并不能完全解决结构的空间性问题。
This article aims to study large deformation and internal force of elastic truss structure under load.
目的研究解决弹性杆件结构在载荷作用下产生大变形时内力和变形量的精确计算问题。
The analysis shows that, the location of hinge, hinge form and inclination Angle of leg will greatly affect the internal force distribution of structure, which will be carefully treated.
研究结果表明：设铰位置、铰的形式、斜腿倾角对该结构体系内力分布影响较大，须慎重选取。
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