Standards for Cement, Aggregates, Admixtures

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EN 197- Cement
Cements (for use in concrete) are factory produced materials produced by either inter-grinding or blending their constituents at the cement works.  They conform primarily to the British/European Standard BS EN 197-1.  Some cements, such as sulfate-resisting Portland cement (SRPC) are however still covered by residual British Standards.  The traditional British Standards, BS 12, BS 6588 and BS 7583 conflicted with BS EN 197-1 and were withdrawn in April 2002.

The table below gives the current position (April 2005) for standardised product specifications for cements manufactured/supplied in volume in the UK:

British/European Standard

Residual British Standard

Cement

Standard notation

Portland cement clinker content %

Content of other main constituents %

BS EN 197-1
-
Portland cement
CEM I
95 - 100
-
-
BS 4027(1)
Sulfate-resisting Portland cement [SRPC]
-
[Not standardised]
-
BS EN 197-1
-
Portland-fly ash cement
CEM II/B-V
65 - 79
21 - 35
BS EN 197-1
-
Portland-limestone cement
CEM II/A-L (LL)
80 - 94
6 - 20
Note
Cements are CE marked against the BS EN 197 product standards using BS EN 197-2 Conformity evaluation.
1) The European standardisation of sulfate-resisting cements is under review in CEN the European standardisation body.

 

In addition, the following standards have either been published in recent years or are residual in nature:

 
BS EN 197-4
BS 146(2)
Low early strength blastfurnace cements
CEM III/A or III/B or III/C
5 - 64
36 - 95
BS EN 14216
-
Very low heat special cements
VLH III or VLH IV or VLH V
Various
Various
-
BS 6610(3)
Pozzolanic pulverized-fuel ash cement
-
45 - 64
36 - 55
-
BS 4248(4)
Supersulfated cement
-
80 - 94
6 - 20
Note
2) BS 146 conflicts with BS EN 197-4 and will be withdrawn in January 2006
3) BS 6610 is not scheduled for replacment by Europe cement standard
4) Supersulfated cement is to be standardised in Europe but development work is yet to begin
     

 

EN 12620 Aggregates for concrete
Last updated 12/4/05
 
This standard has been adopted and is being used. It is available from BSI, click here together with a guidance document on its use, PD6682-1. Conflicting standards have been withdrawn.
 
EN 13055 Lightweight Aggregates
Last updated 31/3/05
 
Lightweight aggregates is in two parts:
  • EN 13055-1. Lightweight aggregates. Lightweight aggregates for concrete, mortar and grout.
  • EN 13055-2. Lightweight aggregates. Lightweight aggregates for bituminous mixtures and surface treatments and for unbound and bound applications.
These standards have been adopted and are being used. They are available from BSI, click here together with a guidance document on their use, PD6682-4. Conflicting standards have been withdrawn. Both are available from BSI, click here.
 

EN 450 Fly ash for concrete. Definitions, requirements and conformity criteria

Last updated 14/4/05
 
BS EN 450-1 is due to be published by BSI in April 2005. Part 2, Conformity evaluation, is due to be published in 2005.
 

EN 934 Admixtures for concrete, mortar and grout

Last updated 31/3/05
 
The four parts of EN 934 are being used and are available from BSI, click here.
BS EN 934-2:2001. Admixtures for concrete, mortar and grout. Concrete admixtures. Definitions, requirements, conformity, marking and labelling
BS EN 934-3:2003. Admixtures for concrete, mortar and grout. Admixtures for masonry mortar. Definitions, requirements, conformity, marking and labelling
BS EN 934-4:2001. Admixtures for concrete, mortar and grout. Admixtures for grout for prestressing tendons. Definitions, requirements, conformity, marking and labelling
BS EN 934-6:2001. Admixtures for concrete, mortar and grout. Sampling, conformity control and evaluation of conformity EN 1008
 
Mixing water for concrete
Published in 2002.
 

EN 13263 Silica fume for concrete

Part 1, Definitions and conformity and Part 2, Conformity evaluation, are (April 2005) out for Formal vote.

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