文档介绍：
基于多尺度模型的高压输电塔
损伤模拟与失效模式分析#
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(1. 东北电力大学建筑工程学院,吉林市 132012;
2. 东北电力大学研究生部,吉林市 132012)
摘要:为了研究大跨越输电钢管塔关键节点和局部细节构造在不同荷载条件下由于损伤结果导致结构失效
的原因,应用数值分析软件,通过对不同类型单元的耦合连接,建立多尺度模型,实现了输电钢管塔一致
多尺度并行计算。在多尺度模型的基础上运用刚度折减法模拟损伤结果,对多尺度模型不同程度的损伤结
果进行对比分析并对失效模式进行基本的判断。研究表明,对于关键节点的损伤结果模拟,运用多尺度模
型进行研究对于传统的桁梁模型具有巨大的优势,相关研究结果更加准确可靠。
关键词:多尺度;钢管塔;损伤;破坏机理;对比分析
中图分类号:
Model based on multi-scale analysis of high-voltage
transmission tower damage
LIU Chuncheng1, SUN Ming2
(1. School of Civil Engineering and Architecture,Northeast Dianli University,jilin 132012,China;
2. School of Graduate,Northeast Dianli University,jilin 132012,China)
Abstract: In order to study long span transmission steel tower key nodes and local details of
construction under different load conditions resulting in damage to structural failure as the cause, use
the application of numerical analysis software, through the coupling of different types of units,
establishment of multi-scale model to achieve a transmission pipe tower consistent multiscale parallel
computing. In the multi-scale model based on the use of simulated damage stiffness reduction method,
on the multi-scale model of different degrees of damage results were analyzed and failure mode for
basic judgments. Studies have shown that the results for the key nodes of injury simulation, the use of
multi-scale model to s