BS EN 14487-1:2022 - Page 2

Sprayed concrete. Definitions, specifications and conformity | Status: Current

1 Scope This document is applicable to sprayed concrete to be used for repair and upgrading of structures, for new structures and for strengthening of ground. This document covers:

• — classification related to consistence of wet mix;
• — environmental exposure classes; young, hardened and fibre reinforced concrete;
• — requirements for constituent materials, for concrete composition and for basic mix, for fresh and hardened concrete and all types of fibre reinforced sprayed concrete;
• — specification for designed and prescribed mixes;
• — conformity.

This document is applicable to wet mix as well as dry mix sprayed concrete. The substrates to which sprayed concrete can be applied include:

• — ground (rock and soil);
• — sprayed concrete;
• — different types of formwork;
• — structural components constituted of concrete, masonry and steel;
• — drainage materials;
• — insulating materials.

Additional or different requirements may be needed for applications not within this document, for instance-refractory uses.