ISO 1920-3:2019 PDF Download

The ISO 1920-3:2019 standard provides guidelines for the creation and preservation of concrete test specimens to ensure accurate strength testing. The standard outlines the required shape and dimensions of these specimens, ensuring consistency and standardized testing procedures across different laboratories and projects.

The document describes the methods and techniques for creating concrete specimens, including the mixing of concrete ingredients, the use of molds or formwork to shape the specimens, and the process of compacting the concrete to eliminate air voids. It also provides guidelines for properly curing the specimens, which involves maintaining specific temperature and humidity conditions to facilitate proper hydration and strength development.