DYWIDAG-SYSTEMS INTERNATIONAL
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Roller mill base frame anchored with High Strength Bars

Roller mill base frame anchored with High Strength Bars

Rimod 3 Modernization Roller Mill, Tucson, Arizona, USA

The extension of the new roller mill at the Arizona Portland Cement plant required special post-tensioning design. Two groups of four large concrete piers supporting the heavy roller mill steel base were connected to the footing through posttensioning.

The massive concrete footing was also post-tensioned in both directions using DYWIDAG unbonded monostrand tendons. Posttensioning of the concrete piers included usage of 46 mm high strength DYWIDAG bar tendons, prefabricated inside a large steel frame. Bars were stressed against a steel base frame and cement grouted.

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