If you cannot locate because it has been withdrawn, replaced, or renumbered (always check the BSI website for status), consider these related standards:
Understanding BS EN 772-1: The Essential Standard for Compressive Strength Testing of Masonry Units (PDF Guide)
For technical professionals, understanding the, preparation, and calculation methods detailed in the is fundamental to ensuring masonry quality and structural safety. If you want to know more, I can help you with: The difference between the 2011 and 2015 versions How this standard compares to ASTM tests for brick strength bs en 7721 pdf
It is focused exclusively on the compressive strength component of masonry assessment.
Methods of test for masonry units. Determination of compressive strength. If you cannot locate because it has been
The standard outlines a procedure where a prepared test specimen is placed centrally on the lower platen of a compression testing machine. A uniformly distributed load is then applied and increased continuously until the specimen fails. The maximum load sustained is recorded, and the compressive strength is calculated by dividing this failure load by the cross-sectional area of the specimen, with the result expressed in N/mm² (Megapascals, or MPa). The standard provides comprehensive details for every step of this process, including the preparation of specimens, required materials and apparatus, the precise calculation of results, and the format of the final test report. These declared values are essential for structural calculations and for UKCA or CE marking of products.
The standard, titled "Methods of test for masonry units – Part 1: Determination of compressive strength," is the primary European reference for evaluating the load-bearing capacity of building blocks and bricks. 1. Scope and Objective Determination of compressive strength
If you are a specifier or purchaser, do not just ask for a – ask for the manufacturer’s Test Report and Declaration of Performance . Follow these steps:
BS EN 772-1 is the "Gold Standard" for masonry strength testing. It is a mandatory purchase for any construction professional involved in quality control or structural design involving masonry. While the technical language can be dry, its precision is what ensures the safety and reliability of brick and block structures.
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