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research of 1770 mpa galvanized steel wire for stay cable of domestic bridges
Pages: 52-58
Year: Issue:  1
Journal: Engineering Sciences

Keyword:  GetLinkList(KeywordFilter('galvanized wiretorsionDouble Tensioninglimiter diegravel wiping')'kw''CJFQ');
Abstract: This paper focuses on introducing the manufacture technology of 1 770 MPa galvanized steel wires for stay cables applied to domestic bridges.During the development practices of high strength galvanized wire for stay cables used in Sutong Bridge,Baosteel has established three key technologies based on research of manufacture technology and technical innovation.The three key technologies are:"Double Tensioning + limiter die" process,"dominant process + fine adjustment" in integrated optimization technology and "three-level control" in hot dip galvanization.With these key technologies,Baosteel has produced 1 770 MPa galvanized wires for stay cable,which has high tensile strength,low relaxation and good torsion performances.
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