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Secondly, the construction simulation were performed by the model in ANSYS. The effect were emphasized in the construction process, which induced by temperature, geometric nonlinearity, and boundary condition. The conclusions were given that the stress decreased thirty percent for temperature change 10℃, and decreased fifteen percent for considering the elasticity support.

基于单元生死法施工模拟原理,运用ANSYS有限元软件建立了体育馆屋盖模型,进行了施工过程数值模拟,重点探讨了温度效应、几何非线性及支承条件对结构受力性能的影响规律,同时指出支承柱临界截面的存在,温度效应和边界条件变化对网壳结构边桁架杆件受力影响最为显著,温度变化10℃影响达30%,考虑支承弹性的影响在15%以上。

It is analysed bearing capacity of truss members and the distribution and effect of the secondary stresses .

针对这种连接形式研究了桁架杆件承载力及次应力的分布和影响。

The shell roof of steel structure on the site of Jinsha in Chengdu is the truss structure with unstiffen tubular joints ,and the chords of circumferential truss are irregular space curves.

成都金沙遗址大棚钢结构工程为圆钢管相贯节点桁架结构,环桁架弦杆为不规则空间曲线,通过采取弯管与胎具双重控制的方法,使环桁架尺寸得到精确控制;由于施工条件限制,采取了钢丝绳加固、结合已有结构辅助的方法将平面桁架移动到指定位置。

Based on experimental results of unstiffened overlapped circular hollow section joints, the axial forces of experimental truss members connected with hinge joints, semi hinge joints or rigid joints, are calculated by the finite element analysis model.

以平面K型圆钢管搭接节点的试验数据为基础,通过对试验桁架建立铰接、半铰接和刚接杆系有限元模型,计算受外荷载作用下试验桁架各杆件的轴力。

In the truss , the truss chord is composed of the outer bar, including the winding lever and the chords, connected chords bar called the ventral ...

在桁架 中,弦杆是组成桁架外围的杆件,包括上弦杆和下弦杆,连接上、下弦杆的杆件叫腹。。。

Through the project example of the suspended steel awning of Nanhai film television city in Guangdong province, the arrangement of cantilever steel truss supporting system were discussed, and several installing plans of the truss tilted belly poles were compared.

通过广东南海影视城悬挑钢罩棚这一工程实例,探讨了悬臂钢桁架支撑体系的布置原则,对桁架斜腹杆的几种设置方案进行了比较

In this paper,a nonlinear planning method, quasi Newton multiplier method ,is introduced for the optimization of the bracing stiffness in braced frame structures with symmetric bracings.

本文针对设置有对称斜腹杆的钢筋混凝土框架-桁架结构,运用非线性规划方法拟牛顿乘子法,对框架-桁架结构体系中斜撑的刚度进行优化。

At the heart of every Synapse is our Cybrosonic neck featuring our patented graphite U-channel with adjustable truss rod uniquely crafted into a 3-piece, hard maple neck.

在每个Synapse的核心是我们的Cybrosonic颈部我们的专利石墨具有U型的独特成三片,硬枫木琴颈制作的可调桁架杆渠道。

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。

In responding to the problems identified, a countermeasure of bolt-mesh-anchor-shotcrete + floor-bolt + truss coupling supporting is proposed, namely using shotcrete to seal surrounding rock, bolt-mesh support to release deformation energy, floor bolt to transfer floor heave plastic slippage force, anchor-truss support to control the deformation of surrounding rock. Therefore, the effective deformation control of deep high stressed soft rock roadway can be achieved.

为此,提出了锚网喷+锚索+底角锚杆+桁架耦合支护对策,即通过喷层封闭围岩,锚网柔性支护释放变形能,底角锚杆转移底臌塑性滑移作用力,锚索+桁架支护控制围岩整体变形,从而实现对高应力巷道围岩变形的有效控制。

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