2008•Electric Power ConstructionRequires access

FE Structural Analysis of Yellow River Crossing UHV Tower Head Hoisting and Erection

Li Zhu

Abstract

SAP84 FE structural software is used in structural analysis of 1 000 kV UHV Yellow River Crossing Project.Structural stability analysis of crossing tower and lifting pole during hoisting and erection process are performed.Each side of the pole will hoist 7-ton's weight,which is the worst condition.There is a 40 mm installation clearance in the middle section of crossarm,which facilitates closing of middle section.Based on calculation,guy cables are needed at the height of node K.During construction,both guy cable and hanging cable are used,which increase overall pole stability,but not increase down pressure on poles.

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Key concepts: Hoist (device), Engineering, Tower, Structural engineering, Head (geology), Geology, Geomorphology