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2013•Electric Power ConstructionRequires access

Key Technology of Crossing Tower Erection in the Yellow River Long-Span Section of Hazheng Transmission Line

Hongtao Zhang

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Abstract

50t hoist and T2T80 double-level rotating holding pole were used to erect the N4 crossing tower in the Yellow River crossing section of Haminan Zhengzhou ±800kV UHVDC project,which could solve the difficulties of tower erection caused by tower's larger root distance,longer and heavier cross arm. The key technology of the N4 crossing tower erection was studied in detail,which could provide certain reference to the tower erection with long cross arm in UHVDC projects.

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What this paper is about

50t hoist and T2T80 double-level rotating holding pole were used to erect the N4 crossing tower in the Yellow River crossing section of Haminan Zhengzhou ±800kV UHVDC project,which could solve the difficulties of tower erection caused by tower's larger root distance,longer and heavier cross arm. The key technology of the N4 crossing tower erection was studied in detail,which could provide certain reference to the tower erection with long cross arm in UHVDC projects.

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Available abstract

50t hoist and T2T80 double-level rotating holding pole were used to erect the N4 crossing tower in the Yellow River crossing section of Haminan Zhengzhou ±800kV UHVDC project,which could solve the difficulties of tower erection caused by tower's larger root distance,longer and heavier cross arm. The key technology of the N4 crossing tower erection was studied in detail,which could provide certain reference to the tower erection with long cross arm in UHVDC projects.

Key concepts: Hoist (device), Tower, Engineering, Transmission line, Span (engineering), Structural engineering, Transmission tower, Electrical engineering

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