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Lumps And Balls In High-Slump Concrete: Reasons And Remedy, Ivan R. Canino-Vazquez
Lumps And Balls In High-Slump Concrete: Reasons And Remedy, Ivan R. Canino-Vazquez
FIU Electronic Theses and Dissertations
The objective of this research was to investigate the reason lumps occur in high-slump concrete and develop adequate batching procedures for a lumps-free high-slump ready-mix concrete mix used by the Florida Department of Transportation. Cement balls are round lumps of cement, sand, and coarse aggregate, typically about the size of a baseball that frequently occur in high-slump concrete. Such lumps or balls jeopardize the structural integrity of structural members.
Experiments were conducted at the CSR Rinker concrete plant in Miami, Florida, based on a protocol developed by a team of Florida Department of Transportation (FDOT) concrete engineers, Rinker personnel, and …