nytt fra cen tc 336: bituminøse bindemidler
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Nytt fra CEN TC 336: Bituminøse bindemidler. Torbjørn Jørgensen Statens vegvesen Vegdirektoratet,Teknologiavdelingen. Nytt fra CEN TC 336 . Struktur CEN TC 336 fra 2005. CEN TC 336. AG. WG 2. WG 1 Merged with WG 4. Bitumen Emulsions and fluxed bituminous binders. - PowerPoint PPT PresentationTRANSCRIPT
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Nytt fra CEN TC 336: Bituminøse bindemidler
Torbjørn Jørgensen
Statens vegvesen Vegdirektoratet,Teknologiavdelingen
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Nytt fra CEN TC 336
Torbjørn Jørgensen, NABin 10.10.2005
Struktur CEN TC 336 fra 2005
WG 1Merged with WG 4
WG 1Merged with WG 4
CEN TC 336CEN TC 336
AGAG
WG 2WG 2
Bituminous Binders for Paving Bitumen Emulsions and fluxed bituminous binders
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Nytt fra CEN TC 336
• 28 CEN-medlemsland + 6 tilknyttede (Alb, Bul, Kro, Rom, Jug, Tyr)
• Norsk deltakelse
– Karl Erik Jensen, ExxonMobil (TC 336)
– Torbjørn Jørgensen, St. vegvesen (TC 336 & WG1)
• CEN TC 336 har liaison med CEN TC 227, EAPA, Eurobitume, FEHRL, CEDR og IISPR
Torbjørn Jørgensen, NABin 10.10.2005
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Nytt fra CEN TC 336
• Revisjon av bitumenstandarder NS-EN fra 1999 igang
• Arbeid med harmoniserte standarder (CE-merking)Bitumen; PMB; BE; BL & Fluksede bindemidler; Hard bitumen
• Nye standarder/prøvingsmetoder
• Neste generasjon bitumenstandarde
Torbjørn Jørgensen, NABin 10.10.2005
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Nytt fra CEN TC 336 – Høring på ny EN 12591(harmonisert standard; CE merking)
Table 1 — Paving grade bitumen specifications for grades from 20 x 0,1mm to 220 x 0,1mm penetration
Characteristics Unit Test method Class 0a 20/30 30/45 35/50 40/60 50/70 70/100 100/150 160/220
Penetration at 25 °C 0,1 mm EN 1426 / 20 – 30 30 – 45 35 – 50 40 – 60 50 – 70 70 – 100 100 – 150
160 – 220
Softening point °C EN 1427 / 55 – 63 52 – 60 50 – 58 48 – 56 46 – 54 43 – 51 39 – 47 35 – 43
Resistance to hardening at 163°C /
Retained penetration % / 55 53 53 50 50 46 43 37
Increase in softening point, max - Severity 1
or
Increase in softening point, max - Severity 2b
°C
°C
EN 12607-1
/
8
or 10
8
or 11
8
or 11
9
or 11
9
or 11
9
or 11
10
or 12
11
or 12
Flash point b °C EN ISO 2592 / 240 240 240 230 230 230 230 220
Solubility b % EN 12592 / 99,0 99,0 99,0 99,0 99,0 99,0 99,0 99,0
Change of mass after RTFOT b % EN 12607-1 / 0,5 0,5 0,5 0,5 0,5 0,8 0,8 1,0
Penetration index Annex Ac NRd -1,5 to +0,7
-1,5 to +0,7
-1,5 to +0,7
-1,5 to +0,7
-1,5 to +0,7
-1,5 to +0,7
-1,5 to +0,7
-1,5 to +0,7
Kinematic viscosity at 135 °C mm2/s EN 12595 NRd 530 400 370 325 295 230 175 135
Dynamic viscosity at 60 °C Pa.s EN 12596 NRd 440 260 225 175 145 90 55 30
Fraass breaking point °C EN 12593 NRd - -5 -5 -7 -8 -10 -12 -15
a Class 0 can only selected for non-mandated properties. These properties are optional. The decision to apply or not to apply a property is taken by the National Standardisation Body (NSB). If chosen it becomes "required", if not, class 0 is to be selected. b When Severity 2 is selected, it shall be associated with Fraass breaking point and/or penetration index. c Reference to normative Annex A in the present document, dealing with calculation of the penetration index, Ip. d NR: "Not Required", this class is used when there is no mandated requirement for a property.
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Nytt fra CEN TC 336 Bindemiddelstandarder - publisering
• Polymer Modified Bitumens EN 14023 (2005)
• Cationic bituminous Emulsions EN 13808 (2005)
• Cutback & Fluxed Bitumens EN 15322 (2006?)
• Hard paving Grade Bitumens EN 13924 (2005)
• Paving Grade Bitumens (Rev.) EN 12591(2008!)
Torbjørn Jørgensen, NABin 10.10.2005
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Nytt fra CEN TC 336; Bindemiddelstandarder
CE-merking for
EN 14023, EN 13808 og EN 12591
skal innføres samtidig - i 2008 !!
Torbjørn Jørgensen, NABin 11.10.2005
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Nytt fra CEN TC 336
Utkast til harmonisert standard prEN 12591:2005
This framework covers three essential requirements according to the mandate M/124: EU Construction Products Directive 89/106/EEC.
– Consistency at intermediate service temperature
– Consistency at elevated service temperature
– "Durability" of consistency (i mandatet)
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Nytt fra CEN TC 336
prEN 12591:2005, Annex B:
It is compulsory for the full specification to be published in all CEN countries.
However, it is permitted for each country to define the most suitable grades for use in that country.
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Nytt fra CEN TC 336
• Neste generasjon bitumenstandarder Utredninger/arbeidsgrupper
– Konsistens (benevning)
– Lavtemperaturegenskaper
– Høytemperaturegenskaper
– Bestandighet (samarbeid TC 227)
– BitVal (FEHRL-prosjekt)
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Nytt fra CEN TC 336
Neste generasjon bitumenstandarder
• prCEN TR 15352 : Development of performance-related specifications (2005)
– Teknisk rapport (ikke standard)
– Beskriver bindemiddellegenskaper knyttet til funksjon
– Velge og standardisere egnede (nye) prøvingsmetoder
– Datainnsamling og sikre feltdata – validering for å etablere nye spesifikasjoner
– Foreslå nytt gradsystem i ny spesifikasjon
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Nytt fra CEN TC 336
Neste generasjon bitumenstandarder
• Nye prøvingsmetoder – høytemperaturegenskaper
– Kompleksmodul DSR EN 14770
– Low Shear Viscosity ZSV (oscillation) prEN 15324
– Zero Shear Viscosity (creep) prEN 15325
– Apparent Viscosity EN 13702
• Midlere temperaturer
– Kompleksmodul DSR EN 14770
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Nytt fra CEN TC 336
Neste generasjon bitumenstandarder
• Nye prøvingsmetoder – lavtemperaturegenskaper
– Bøyereometer BBR EN 14771
– Kraftduktilitet og Strekkprøving EN 13589 /13587
– Kompleksmodul DSR EN 14770
• Bestandighet
– Langtidsaldring PAV prEN 14679
– Langtidsaldring RCAT prEN 15323
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Norsk referansegruppe - RefBit
• Ett møte pr år – informasjon og diskusjon om standardisering av bindemidler
• Neste møte 18.oktober 2005
Torbjørn Jørgensen, NABin 11.10.2005
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