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Abstract:
为了提高输电塔架的刚度和承载力,在结构体外引入预应力拉索.通过材料、几何双重非线性稳定性分析计算索塔结构的极限承载力,在此理论基础上对一个500 kV猫头型输电塔架建立了空间刚架模型,详细讨论了拉索施加不同初应力以及拉索不同倾角布置对输电塔架承载力的影响.研究表明:随着拉索初应力的增大,结构的极限承载力也增大,但当拉索初应力增大到一定值时,结构的极限承载力变化并不显著;结构的极限承载力随着拉索斜向布置倾角的增大而减小.
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钢结构
ISSN: 1007-9963
Year: 2010
Issue: 1
Volume: 25
Page: 10-14
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 3
Chinese Cited Count:
30 Days PV: 6
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