EFFECT OF HYDRATED LIME ON AGEING BEHAVIOUR OF BITUMINOUS MASTICS

Influence of the presence of hydrated lime in filler on short- and long-term ageing behaviour of mastics has been investigated using the RCAT device (Rotating Cylinder Ageing Test). Two fillers (limestone and an active one with 25% of hydrated lime) and four bitumen (several pen-grade and origin) have been examined. Short-term ageing 'RCAT163' and long-term ageing 'RCAT90' were linked up on the same sample. Measured characteristics were penetration, R&B, infrared spectra and some selected rheological properties. Hydrated lime improves the sensitivity to short-term ageing by all35% for Venezuelan bitumen 70/100 and by all15% for Venezuelan bitumen 50/70 and for bitumen 35/50 from the Middle East. Lime almost does not modify it for bitumen 35/50 from Venezuela. For long-term ageing, hydrated lime improves the ageing sensitivity by about 33% in case of higher pen grade bitumen (50/70 or 70/100). There is almost no effect or a slight increase in long-term ageing susceptibility for the harder bitumen (35/50). Some other improvements by lime addition are also stated. For the covering abstract see ITRD E121480.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/isbn/9080288446
• Corporate Authors:

  FOUNDATION EURASPHALT

  PO BOX 255
  BREUKELEN,     3620 AG
• Authors:
  • VERHASSELT, A
  • Puiatti, D
• Publication Date: 2004

Language

• English

Media Info

• Features: References;
• Pagination: p. 746-56
• Serial:
  • PROCEEDINGS OF THE 3RD EURASPHALT AND EUROBITUME CONGRESS HELD VIENNA, MAY 2004
  • Volume: 1
  • Publisher: FOUNDATION EURASPHALT

Subject/Index Terms

• TRT Terms: Aging (Materials); Bituminous mixtures; Calcium oxide; Conferences; Fillers (Materials); Mastic asphalt; Tests
• ITRD Terms: 5292: Ageing; 4967: Bituminous mixture; 8525: Conference; 4599: Filler; 4574: Lime; 6255: Test
• Subject Areas: Data and Information Technology;

Filing Info

• Accession Number: 00980872
• Record Type: Publication
• Source Agency: Transport Research Laboratory
• ISBN: 90-802884-4-6
• Files: ITRD
• Created Date: Nov 3 2004 12:00AM