ACI Strength Exam
ACI Strength Exam What materials can be used to cap concrete cylinders? neat cement paste, high-strength gypsum, sulfur mortar Capping cylinders ensures they meet the requirements for: planeness and perpendicularity Required thickness of glass plates for capping: 1/4 in (6mm) Required thickness of metal plates for capping: 0.45 in (11mm) Required thickness of granite AND diabase plates for capping: 3 in Plates used for sulfur capping have a recessed area to hold the sulfur that cannot be more than: 1/2 in deepResulting caps must be perpendicular to the axis of a cylinder within:
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