Predicted Service Life of Armor Stone: A Case History

by David A. Lienhart, (M.ASCE), Partner; Rock Products Consultants, 7229 Longfield Dr., Cincinnati, OH 45243-2209,
Albert H. Gerdsen, Partner; Rock Products Consultants, 7229 Longfield Dr., Cincinnati, OH 45243-2209,
Otavio J. Sayao, (M.ASCE), Moffatt and Nichol Engineers, 342 Madison Ave, Suite 902, New York, NY 10173,



Document Type: Proceeding Paper

Part of: Breakwaters '99: First International Symposium on Monitoring of Breakwaters

Abstract:

Laboratory testing for determination of true rock quality in terms of expected performance is not clear-cut, may be misleading, and requires extensive interpretation by an expert. This expert must be familiar with the measurement of properties for which various test procedures are designed and how those test measurements relate to other properties and field data. Given the right expert it is possible to predict the estimated service life of armor stone. This would enable the designer to project maintenance costs and maintenance options for any project and give the owner a starting point for development of the maintenance budget.

Subject Headings: Rocks | Service life | Maintenance and operation | Material durability | Armor units | Project management | Material tests

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