Thermal Analysis for RCC—A Practical Approach

by Stephen Tatro, U.S. Army Corps of Engineers, Walla Walla, United States,
Ernest Schrader, U.S. Army Corps of Engineers, Walla Walla, United States,

Document Type: Proceeding Paper

Part of: Roller Compacted Concrete III


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: Thermal analysis | Cracking | Concrete dams | Roller-compacted concrete | Concrete structures | Thermal effects | Structural analysis | Compaction (material)

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