Standard Practice for
Capping Cylindrical Concrete Specimens
AASHTO Designation:T 231-05
ASTM Designation: C 617-98 (2003)
1.1. This method covers apparatus, materials, and procedures for capping freshly molded concrete cylinders with neat cement and hardened cylinders and drilled concrete cores with high-strength gypsum plaster or sulfur mortar.
1.2.The values stated in SI units are the preferred standard.
1.3.This standard may involve hazardous materials, operations, and equipment.
This standard does not purport to address all of the safety concerns associated with its use.
It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations
prior to use. For specific precaution statements, see Sections 4.3 and 126.96.36.199.
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