After compacting the final layer, remove any excess concrete using a steel trowel or float. Scrape the surface flush with the top edge of the mold. Wipe clean any stray concrete on the outer edges of the mold frame. Curing Requirements: The Most Critical Phase
This standard specifies the method for determining the compressive strength of hardened concrete test specimens, including cubes, cylinders, and other shapes. The test is used to evaluate the strength of concrete in structures, and it's an essential aspect of quality control and assurance in construction.
The standard BS EN 12390-2:2019 covers several key aspects of making and curing specimens, including:
Understanding BS EN 12390-2:2019: Making and Curing Test Specimens for Strength Tests
The official full text is available for purchase from national standards bodies or authorized distributors (BSI / CEN / authorized e‑libraries). bs en 12390-2:2019
Failing to follow BS EN 12390-2:2019 usually results in a penalty on the apparent strength of the concrete. Keep an eye out for these frequent mistakes:
Specimens should be kept in their molds, protected from shock, vibration, and dehydration, for at least 16 hours but not more than 3 days.
This article provides a comprehensive breakdown of the standard, its core requirements, and best practices for compliance on site and in the laboratory. What is BS EN 12390-2:2019?
Compliance with BS EN 12390-2:2019 offers several benefits, including: After compacting the final layer, remove any excess
From the proper cleaning and oiling of moulds to the precise layering and compaction of fresh concrete, from controlled curing environments to systematic specimen handling and transport, the standard leaves nothing to chance. Its 12 pages distil decades of concrete technology experience into clear, actionable guidance that protects both the quality of our built environment and the safety of those who inhabit it.
Provides a common language for testing laboratories across the UK and Europe. Conclusion
BS EN 12390-2:2019 is the British Standard that specifies methods for for concrete strength tests . It provides a standardized framework to ensure that concrete cubes, cylinders, and prisms are prepared consistently, which is critical for accurate compressive strength assessments. 🏗️ Key Procedural Steps
(Testing hardened concrete – Part 2: Making and curing specimens for strength tests) is the European standard that governs this critical preparatory phase. It ensures that when concrete is tested in a laboratory, the results reflect the material's true potential, free from variables caused by poor handling. Curing Requirements: The Most Critical Phase This standard
Here's a brief overview:
The 2019 revision superseded the 2009 version. While the core principles remained consistent, the update introduced several refinements to align with modern practices and improve quality assurance:
The standard ("Testing hardened concrete. Making and curing specimens for strength tests") provides the official European and British framework to eliminate these human variables. This article breaks down the standard's technical requirements into clear, actionable steps for site technicians, lab personnel, and quality managers. 1. Scope and Equipment Requirements
The standard provides strict, step-by-step instructions for: Choosing and preparing equipment (moulds and compactors). Filling moulds and compacting fresh concrete. Handling specimens immediately after casting.
Duration and conditions of initial curing (including temperature records). Duration and conditions of final curing. Any deviations from the standard method. Conclusion