CEN-NORD seminar Merete Holmen Murvold, Standards Norway

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Presentation transcript:

CEN-NORD seminar 2006-09-29 Merete Holmen Murvold, Standards Norway CEN/TC 154 Standards CEN-NORD seminar 2006-09-29 Merete Holmen Murvold, Standards Norway

CEN/TC 154 Organization Chairman – Colin Loveday – Tarmac (UK) Secretary – David Hyde – BSI Active participation from most CEN countries Balance of government/client/supplier

CEN/TC 154 Organization CEN TC 154 Aggregates SC 1 SC 2 SC 3 SC 4 SC 5 Test method I tillegg finnes også TG og AHG-grupper. Tradisjonell modell i ISO: TC - SC - WG Tradisjonell modell i CEN: TC - WG For ETSI gjelder dette bortsett fra at det der ikke benyttes SC men bare WG underlagt TC TG 2,3,4 Requirements TG 10 Secondary TG 13 Dangerous substances WG 1 (EN 13383) TG 11 Test method WG 2 (EN 13450) TG 12 Test method

Directive and standards EU/EFTA Directive CPD National laws/ regulations Mandat 125 CEN EN- standard NS-EN DS-EN …

CEN/TC 154 Standards 8 Product standards 36 Test method standards

Product standards EN 13139 Aggregates for Mortar EN 12620 Aggregates for Concrete EN 13043 Aggregates for Bituminous Mixtures and Surface Treatments EN 13242 Aggregates for Unbound and Hydraulically Bound Mixtures EN 13450 Railway Ballast EN 13383-1 Armourstone EN 13055-1 Lightweight Aggregate for Concrete EN 13055-2 Lightweight Aggregate for bound and unbound

Product standards Scope Aggregates (natural, manufactured, recycled) Specifies properties Categories Evaluation of conformity

Product standards Properties Geometrical requirements size, grading, fines content/quality Physical requirements resistance to fragmentation, chrushing, polishing, abrasion, wear and freeze/thawing, density Chemical requirements organic, total sulfur

Example - Categories

Evaluation of conformity Type testing FPC (normative annex) System 2+ System 4 CE-mark (described in annex ZA)

Test method standards General testes (EN 932-series) Geometrical properties (EN 933 series) Mechanical and physical properties (EN 1097) Thermal and weathering properties (EN 1367) Chemical properties (EN 1744-series)

Normative references Product standards EN 932 EN 933 EN 1097 EN 1744 -Petrographic -Calibration -Flakiness -Particle size distr. -Methylene blue -Los Angeles, -PSV -Micro Deval -Density -Abrasion -Alkali reaction -Leaching -Freeze/ thawing

TC 154 - Present work Amendments to incorporate recycled aggregates in the product standards Revision of EN 13383 -1 and-2 Armourstone started TG 13 Dangerous substances (release to soil, groundwater, air) Revision of test method standards Development of new test methods