BS EN 772-1 is a European Standard adopted as a British Standard, developed by the British Standards Institution (BSI) under committee B/519. It is intended to apply to the testing of all common masonry units, including clay, calcium silicate, aggregate concrete, and autoclaved aerated concrete masonry units, among others.
is a foundational standard for the masonry industry. By standardizing the testing of compressive strength, it guarantees that building materials are safe and fit for purpose. Whether you are conducting testing in a laboratory or validating material specs for a construction project, the official BS EN 772-1 PDF is a required tool for ensuring structural integrity.
For the purpose of this article, assuming BS EN 7721 exists in a specific national annex or a niche document, here is the process: bs en 7721 pdf
: Both the upper and lower platens must be perfectly smooth. The planeness tolerance is restricted to 0.1 mm over any 100 mm span.
: A compression testing machine must be used that meets specific accuracy and repeatability limits (e.g., maximum permissible repeatability of ≈2.0% of indicated force). The machine's platens must have a minimum hardness of 600 HV according to ISO 6507-1 . BS EN 772-1 is a European Standard adopted
The American National Standards Institute offers this standard for purchase and download.
Purchasing from these official channels provides several key benefits: By standardizing the testing of compressive strength, it
The is a collection of technical documents that specify methods of test for masonry units. "Masonry units" is the technical term for the individual components used to build structures, such as bricks, blocks, and stones. The primary objective of this series is to establish best industry practices to determine the quality and performance of these construction materials, ensuring they contribute to the long-term structural integrity and safety of civil engineering works.
Individual dimensions, cross-sectional areas, and maximum failure loads.