scope:

These test methods cover two compression tests of masonry prisms:

Method A-For determining comparative data on the compressive strength of masonry built in the laboratory with either different masonry units or mortar types, or both.

Method B-For determining the compressive strength of masonry built at the job site with the same material and workmanship to be used, or being used, in a particular structure.

NOTE 1-Method B is intended to establish the compressive strength of a particular set of materials by a preconstruction evaluation or to evaluate quality of materials and workmanship during construction.

Test specimens for both test methods are short compression prisms: the influence of slenderness ratio is taken into account either by proportions of the fabricated specimens or by the application of a correction factor.

The values stated in SI units are to be considered as the primary standard units.

This standard does not purport to address all of the safety problems, if any, 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.