RCC Storage Pads at Tooele Army Depot, Utah

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by John R. Hess, US Army Corps of Engineers, Sacramento, CA, USA,

Document Type: Proceeding Paper

Part of: Roller Compacted Concrete II

Abstract: Two 30. 5 m (100 foot) by 91. 4 m (300 foot) ammunition storage pads, each 381 mm (15 inches) thick, were constructed by the Sacramento District of the U. S. Army Corps of Engineers in 1986 at Tooele Army Depot, Utah, using roller compacted concrete. The pads were constructed using a twin-shaft pugmill concrete plant, a double tamping paver, vibratory steel-wheeled rollers and rubber-tired rollers. One pad was constructed using longitudinal lanes with long cold construction joints, and the other consisted primarily of transverse lanes with fresh construction joints. Extensive coring of splitting tensile strength and sawing of flexural strength test specimens showed excellent compaction and strength of the in-place RCC. Results of quality control and quality assurance testing demonstrated the value of frequent RCC moisture testing, a vibratory table density test procedure, double probe nuclear density testing, the limitations in attempting to compact flexural strength speciemens, and the value of an accelerated 1-day compacted splitting tensile strength test.

Subject Headings: Ultimate strength | Field tests | Flexural strength | Compaction (material) | Roller-compacted concrete | Joints | Vibration | Cold region construction | North America | United States | Utah | California | Sacramento

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