DYWIDAG-SYSTEMS INTERNATIONAL
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Olmsted Lock and Dam, Ohio River

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

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