This test method is intended to provide a simple and economical means for the determination of comparative values of flexural bond strength. It may be used either on specimens especially fabricated for bond strength evaluation or on specimens cut from existing masonry.
The bond strengths determined from this test method can be used as a means of evaluating the compatibility of mortars and masonry units. It may also be used to determine the effect on flexural bond strength of such factors as masonry unit and mortar properties, workmanship, curing conditions, coatings on masonry units, or any other factors that may be of concern.
Flexural bond strength determined by this test method should not be interpreted as the flexural bond strength of a wall constructed of the same material. However, results may be used to predict the flexural strength of a wall. Nor should it be interpreted as an indication of extent of bond for purposes of water permeance evaluation.
1.1 This test method covers the determination of flexural bond strength of nonreinforced masonry by physical testing of each joint of masonry prisms.
1.2This standard does not purport to address all of the safety concerns, 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.
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