查询词典 truss beam

The displacements and stresses of a simple-support through steel truss composite beam model with four spaces were calculated by means of the proposed method.

利用本文方法对一个4节间简支下承式钢桁结合梁试验模型进行结构的位移和应力计算。

Key words:foundation excavation; supporting; circle beam; steel truss; piles in rows

关键词］基坑工程；支护；环梁；钢桁架；排桩

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。

A typical power transmission tower was numerically analyzed. The rigid frame model and mixed model with beam and truss were established. And the influence of two models on the internal force and deformation is obtained from the computing results.

以某典型输电铁塔为背景，采用数值分析方法，进行了梁桁泥合模型与刚架模型的建模，并对计算结果进行对比分析，得出两种模型对于输电塔杆件内力和变形的影响规律。

Based on both geometry and material nonlinearity, new FEM refering "tube to tube" contact based on beam and truss elements, is employed to shape prediction.

考虑了几何非线性和材料非线性，将&管—管&接触算法应用于梁、杆单元组成的结构模型中，与传统建模和分析方法相比，成形预测精度大幅度提高。

The finite element model of the hybrid spatial structure system is built by the beam elements,truss elements and cable elements,its dynamics characteristics and the influence of some parameters are analyzed thoroughly here by the block Lanczos method,and then the computed re...

选用梁元、杆元和索元的混合有限元模型，采用分块Lanczos法，对凯威特型索承网壳结构的自振特性及其影响因素进行了系统分析研究，并与单层网壳结构进行比较，得出了可用于工程实践的结论，对其抗震、抗风性能分析研究以及工程应用有参考价值。

The interval finite element analysis method is extended from one-dimension truss member and beam structure to two-dimension plane structure.3 Genetic algorithm has powerful capability of global search and lower capability of local search, however, simulated annealing algorithm has powerful capability of local search and lower capability of global search.

5为了解某一参数的变化对结构响应的影响程度，提出了参数敏感性的区间分析方法，可以获得模型参数对决策目标的敏感性因子矩阵；通过对一平面应变结构地基模型的分析，得出了土体Duncan-Chang E_t-ν_t模型的八个参数的敏感性因子矩阵。

Thesis is divided into five parts, the main contents include: a long beam and truss repair and strength calculation, Liang Lu-board repair, the following box and wing rib repair, box rib injury at the time of small-scale repairs, large-scale box rib injury at the time of repair and a new frame, the positioning rib installation.

论文共分5个部分，主要内容包括：梁和长桁的修理及强度的计算、梁履板的修理、隔框和翼肋的修理、框肋小范围损伤时的修理、框肋大范围损伤时的修理及新框、肋的定位安装等。

Beam and truss designs are obtained under nominal loading,under uncertain loading while employing the convex model,and under uncertain loading using the maximum load condition.

梁和珩架的设计是通过应用凸壳体模型进行名义加载，不定量加载，以及通过在最大加载条件下不定量获得的。

The inner force of the line element for underground structure have been calculated using the traditional finite element mesh and high-order manifold method to guarantee the numerical precision of the line element and overcome the disadvantages due to the geometry error between the actual position and computational position of the beam and truss element in common use.

用传统的有限元网格和流形方法的高阶覆盖位移函数来进行地下结构的杆、梁单元计算，保证了线单元模拟的数值精度，同时又克服了常用的杆、梁线单元计算位置与实际位置不相符合从而带来计算误差和结构设计不便等缺点，提供了一种解决结构数值计算的较好的途径。

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。