Innovations in Prestressed Concrete Structuresby William M. Howard, Power Line Systems Inc, Madison, WI, USA,
Abstract: Prestressed concrete poles are probably the best choice for most transmission line structures. They have many advantages over structures made from other materials for both engineering and economic reasons. One of the primary engineering benefits of prestressed concrete transmission line structures is the tremendous resistance which these structures provide against cascading failures. In order to account for these advantageous features in the design of a line, it is necessary to consider the structures and the conductors as a system and to analyze the system by means of an advanced computerized analysis.
Subject Headings: Concrete structures | Power transmission lines | Prestressing | Prestressed concrete | Power transmission poles | System analysis | Power transmission
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