Testing hardened concrete - Making and curing specimens for strength tests shop-only Information is provided in Annex

Information is provided in Annex A on methods that have been found useful for charge control prior to or during AES analysis

control and support activities

Note: BS EN 1794‑1 covers the current behaviour of the product

you can manufacture good quality semiconductor devices

This version of PD 6689 replaces the 2006 version

Testing hardened concrete - Making and curing specimens for strength tests shop-only Information is provided in AnnexThis European Standard, a part of the BS EN 12390 series, specifies methods for making and curing test specimens for strength tests of hardened concrete. This standard covers the preparation and filling of moulds, compaction of the concrete, levelling the surface, curing of test specimens and transporting test specimens. The compactioon of specimens in the moulds using hand tamping, vibrating table, or internal (poker) vibrator are accepted as