Olmsted Lock and Dam, Ohio River
Project:
Two 30.5m x 365.8m lock chambers and 670m long dam with 220 steel wicket gates to replace aging lock and dam facilities
System:1“ grade 150 (26.5 mm Ø) DYWIDAG form tie system (wobble anchor, she bolts, wing nuts, batter washers)
Application:Support of climbing formwork for the lock chamber walls
Special Features:High-capacity DYWIDAG she bolt systems allowed wide spacing of the form ties and faster jumping of the forms resulting in significant labour saving; very light form tie system (35% lighter than conventional ties)
Construction Period:February 1997 - 2006