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.

(including solid, perforated, and hollow bricks). Aggregate concrete units (dense and lightweight blocks). Autoclaved aerated concrete (AAC) units . Manufactured stone and calcium silicate units . Step-by-Step Testing Procedure bs en 7721 pdf

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 : Both the upper and lower platens must be perfectly smooth

) —is used by engineers to perform safe structural calculations and by manufacturers to declare CE/UKCA performance marks. 🔬 Core Components of the Testing Procedure bs en 7721 pdf