1.2 Zement nach DIN EN 197-1
In DIN EN 197-1 sind die Anforderungen an Normalzemente, Normalzemente mit niedriger Hydratationswärme (LH), Normalzemente mit hohem Sulfatwiderstand (SR) und Normalzemente mit niedriger Anfangsfestigkeit (L) geregelt.
DIN EN 197-1 ist eine europäisch harmonisierte Norm. Die Zemente erhalten ein CE-Kennzeichen.
Tabelle 1.2.a: Zusammensetzung der 27 Normalzemente nach DIN EN 197-1
| Haupt- zement- arten | Bezeichnung der 27 Normalzemente | Hauptbestandteile [M.-%] 1) | Neben- bestand- teile [M.-%] | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Portland- zement- klinker | Hüttensand | Silikastaub | Puzzolane | Flugasche | gebrannter Schiefer | Kalkstein | |||||||
| natürlich | natürlich getempert | kiesel- säurereich | kalkreich | ||||||||||
| K | S | D 2) | P | Q | V | W | T | L | LL | ||||
| CEM I | Portland- zement | CEM I | 95-100 | - | - | - | - | - | - | - | - | - | 0-5 |
| CEM II | Portland- hütten- zement | CEM II/A-S | 80-94 | 6-20 | - | - | - | - | - | - | - | - | 0-5 |
| CEM II/B-S | 65-79 | 21-35 | - | - | - | - | - | - | - | - | 0-5 | ||
| Portlandsilika- staubzement | CEM II/A-D | 90-94 | - | 6-10 | - | - | - | - | - | - | - | 0-5 | |
| Portland- puzzolan- zement | CEM II/A-P | 80-94 | - | - | 6-20 | - | - | - | - | - | - | 0-5 | |
| CEM II/B-P | 65-79 | - | - | 21-35 | - | - | - | - | - | - | 0-5 | ||
| CEM II/A-Q | 80-94 | - | - | - | 6-20 | - | - | - | - | - | 0-5 | ||
| CEM II/B-Q | 65-79 | - | - | - | 21-35 | - | - | - | - | - | 0-5 | ||
| Portland- flugasche- zement | CEM II/A-V | 80-94 | - | - | - | - | 6-20 | - | - | - | - | 0-5 | |
| CEM II/B-V | 65-79 | - | - | - | - | 21-35 | - | - | - | - | 0-5 | ||
| CEM II/A-W | 80-94 | - | - | - | - | - | 6-20 | - | - | - | 0-5 | ||
| CEM II/B-W | 65-79 | - | - | - | - | - | 21-35 | - | - | - | 0-5 | ||
| Portland- schiefer- zement | CEM II/A-T | 80-94 | - | - | - | - | - | - | 6-20 | - | - | 0-5 | |
| CEM II/B-T | 65-79 | - | - | - | - | - | - | 21-35 | - | - | 0-5 | ||
| Portland- kalkstein- zement | CEM II/A-L | 80-94 | - | - | - | - | - | - | - | 6-20 | - | 0-5 | |
| CEM II/B-L | 65-79 | - | - | - | - | - | - | - | 21-35 | - | 0-5 | ||
| CEM II/A-LL | 80-94 | - | - | - | - | - | - | - | - | 6-20 | 0-5 | ||
| CEM II/B-LL | 65-79 | - | - | - | - | - | - | - | - | 21-35 | 0-5 | ||
| Portland- komposit- zement 3) | CEM II/A-M | 80-88 | <- 12-20 -> | 0-5 | |||||||||
| CEM II/B-M | 65-79 | <- 21-35 -> | 0-5 | ||||||||||
| CEM III | Hochofen- zement | CEM III/A | 35-64 | 36-65 | - | - | - | - | - | - | - | - | 0-5 |
| CEM III/B | 20-34 | 66-80 | - | - | - | - | - | - | - | - | 0-5 | ||
| CEM III/C | 5-19 | 81-95 | - | - | - | - | - | - | - | - | 0-5 | ||
| CEM IV | Puzzolan- zement 3) | CEM IV/A | 65-89 | - | <- 11-35 -> | - | - | - | 0-5 | ||||
| CEM IV/B | 45-64 | - | <- 36-55 -> | - | - | - | 0-5 | ||||||
| CEM V | Komposit- zement 3) | CEM V/A | 40-64 | 18-30 | - | <- 18-30 -> | - | - | - | - | 0-5 | ||
| CEM V/B | 20-38 | 31-49 | - | <- 31-49 -> | - | - | - | - | 0-5 | ||||
1) Die Werte in der Tabelle beziehen sich auf die Summe der Haupt- und Nebenbestandteile. | |||||||||||||