Comparison of Joint Shear Strengths for Conventional and Roller Compacted Concrete

by Francis G. McLean, Bureau of Reclamation, Denver, CO, USA,
James S. Pierce, Bureau of Reclamation, Denver, CO, USA,

Document Type: Proceeding Paper

Abstract: Direct shear test data for parent material and bonded and unbonded jointed specimens of conventional and RCC (roller compacted concrete) are presented and compared. Results are discussed and recommendations made regarding shear strength values for lift joints in gravity dams constructed of RCC. Some discussion is presented on safety factors used in analyses.

Subject Headings: Shear strength | Roller-compacted concrete | Joints | Shear tests | Concrete dams | Compaction (material) | Structural strength | Gravity dams

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