Thermal Analysis for RCC—A Practical Approachby Stephen Tatro, U.S. Army Corps of Engineers, Walla Walla, United States,
Ernest Schrader, U.S. Army Corps of Engineers, Walla Walla, United States,
Abstract: Roller compacted concrete (RCC) structures, by nature of the construction method, tend to be monolithic structures or structures with minimal contraction jointing. Recurring questions are how many cracks will occur, are they important, how wide will they be, when will they develop, where will they occur, and what can be done about it? This paper presents a practical discussion of pertinent factors affecting thermal cracking and presents a step-by-step guide to computing crack spacing, width and locations using manual and desktop computational methods. Also included are topical considerations and guidelines for appropriate implementation of this design method. Several examples are illustrated for guidance.
Subject Headings: Roller-compacted concrete | Concrete structures | Cracking | Concrete dams | Thermal effects | Compaction (material) | Concrete construction | Construction methods
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