桁架梁

To clear the stress relations between bridge decks and the steel tube truss stiffening girder of Zhongxian Yangtze River Bridge, this paper establishes two kinds space analysis model for this bridge, namely: the interaction model of the bridge decks work with the stiffening girder together and the traditional model not work with the stiffening beam.

为了明确忠县长江大桥桥面板与钢管桁架加劲梁的受力关系，本文建立了两种空间分析计算模型，即；桥面系参与加劲梁受力的共同作用模型和不参与加劲梁受力的传统模型。

Part two: This paper attempt to design a retractable roof structure from architectu re,structure and mechanism in the kind of traveling trusses and flexible roofage thro ugh a real structure of the retractable roof in the walk street plaza of Henglong build ing. Summary of some important points in design were presented.The comparision of several kinds of structure was taked.

第二部分：本文以恒隆步行街广场屋盖工程为例，通过对比分析剪刀撑方式、倒三角桁架式和张弦梁形式的结构方案，最终选择了倒三角桁架式的可展桁架加柔性屋面材料的方案。

During the calculation of the finite element method, the beam element is extended and three types of truss element is induct into the beam element.lt makes the framework and the consecutive beam uniform.lt avoids the waste of the EMS memory space that the general rigid array is kept by the method of the constringent one-degree storage.

在有限元计算中对梁元进行了扩充，将三类桁架单元引入到梁元中。实现了框架和排架以及连续梁单元刚度矩阵的统一。同时对总刚阵存储中利用了一维压缩存储的方法，减少了许多空间。

At present, the difficulty of the project's largest steel structure in the main truss beam successfully uninstalled.

目前，这一工程中难度最大的钢结构主桁架梁成功卸载。

Based on maximum entropy two-stage optimization design theory, maximum entropy two-stage optimization design system including truss, beam, frame structures is founded in this thesis.

本文从两相优化的理论出发，研究了基于最大熵准则的桁架、梁和框架结构最小材耗问题，系统地建立了包括桁架、梁、框架结构在内的各主要土木建筑基于最大熵的结构两相优化设计理论构架体系。

There is no design software and code for this kind of structure. Testing and analysis are needed.A series of testing research and finite element analysis were done in Wuhan University of Technology for the Web steel truss beam, truss column, wall and joint. A multi-storey Web steel building was designed.

武汉理工大学针对无比轻钢龙骨体系的桁架梁、桁架柱、墙体及节点等做了一系列的试验研究和有限元分析，并设计了一幢多层综合楼，为无比轻钢龙骨体系在中国的推广和应用提供参考和依据。

A series of testing research and finite element analysis were done in Wuhan University of Technology for the Web steel truss beam, truss column, wall and joint. A 6-story Web steel building was designed. The research work was provided as a reference for the popularization and application of Web steel in China.

武汉理工大学针对无比轻钢龙骨体系的桁架梁、桁架柱、墙体及节点等做了一系列的试验研究和有限元分析，并设计了一幢六层的综合楼，为无比轻钢龙骨体系在中国的推广和应用提供参考和依据。

As the housing construction component of suspension bridge, and when the tower crane tower, the pillar of the beam, the truss are bent stem working stress.

工程构件诸如房屋的柱、悬索桥、斜拉桥的塔、塔时起重机的立柱、桁架梁的上弦杆等工作时均处于受压状态。

The effect of joint deformation to truss displacement: 4 kinds of steel tube truss compute models are established making use of shell elements, truss elements, beam elements and combination of beam elements and truss elements.

采用板壳单元、桁架单元、梁单元以及弦杆为梁单元和腹杆为桁架单元的混合模型等四种计算模型分别建立了一个钢管桁架的有限元模型，计算并整理了各模型下桁架腹杆的轴力及各节点的位移。

Aiming at calculation of the equivalent rigidity of truss stiffening girder in an aeroelastic model design of a long-span suspension bridge with truss stiffening girder,Aizhai bridge,a super-long -span suspension bridge across deep valley with single span,was taken as an example for investigation.

针对大跨度桁架加劲梁悬索桥气弹模型设计中主梁等效刚度计算问题，以矮寨大桥为实例，建立不同长度空间桁架加劲梁节段模型有限元模型，通过悬臂梁位移法反算得到主梁的等效刚度特性，研究了不同荷载施加方式以及不同梁段长度对等效刚度特性的影响。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。