truss bar

The modeling programs of truss based on space bar elements and the three-dimensional frame elements are written separately.

分别编写了采用三维杆单元和刚架单元对桁架动力学建模的程序，建立了桁架的动力学模型。

In recent years, the research work in steel structure with prestressed tendons mainly concentrates on prestressing force steel truss, tension rod, compression bar, etc, but the study work to the application in the engineering of bridge building is less.

近年来，预应力钢结构研究的工作主要是集中在预应力钢桁架、拉杆、压杆等方面，而对于预应力钢结构在桥梁工程中的应用则研究得较少。

Application of Steel Bar Truss Deck in Steel Structure

钢筋桁架楼承板在钢结构建筑中的应用

Finite element model of truss in ANSYS is built, quadruplet bars are selected, in every group one bar is designated randomly and early damage is simulated through receding its elasticity;

利用ANSYS进行桁架结构有限元模型的建立，选定四组杆件，在每一组中随机指定一根，通过降低其弹性模量来模拟早期损伤；

The paper discusses the application of beret truss bearers in prestressed concrete process tie bar arch bridge construction after mechanical calculation.

通过力学验算，初步探讨组合式贝雷桁架片托架在预应力砼系杆拱桥梁施工中的应用。

The design of the big-span steel structure is introduced for structural layout, and its dynamical characteristics and internal forces distribution under different load cases, foundation tie bar, swinging column, steel shuttle-shaped truss column and sliding bearing etc, are presented.

主要介绍了大跨度钢结构的结构布置、其动力特性及各工况下的内力分布、基础拉梁、摇摆柱、梭形钢结构桁架柱、滑动支座的设计等内容。