Fly Ash-Sulfur Mixture for Capping Concrete Test Cylinders


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Title: Fly Ash-Sulfur Mixture for Capping Concrete Test Cylinders

Author(s): Hubert F. McDonell

Publication: Journal Proceedings

Volume: 51

Issue: 2

Appears on pages(s): 573-576

Keywords: no keywords

Date: 2/1/1955

Various materials used in capping concrete cylinders were investigated to develop, if possible, a mixture that was economical and would produce caps that within 2 hr would not flow or fracture when the specimen was tested. A fly ash-sulfur mixture was combined in the proper proportions and melted and used at the recommended temperatures produced caps that met all of the requirements.