Grindstone Dam, located near Ruidoso New Mexico, is a Roller Compacted Concrete (RCC) dam with a 2 foot thick conventional concrete facing. The facing concrete was constructed with architectural “rustication joints”. Full-height, vertical joints were placed every 16 feet along the dam length. Horizontal joints were placed 2’ on center near the lower dam and 1’ on center near the upper dam section. The dam is reportedly the first roller compacted concrete dam constructed in New Mexico. Read more…