Epoxy grout block rating and strength eligibility criteria

When accepting epoxy grout masonry block when the strength of the acceptance, strength evaluation standard must meet the following requirements: the same block must be greater than or equal to the average compressive strength design strength grade corresponding cube compressive strength, the same acceptance of compressive strength of grouting test samples must be greater than or equal to minimum average and the cube compressive strength design strength grade of 0.75 times.