THE INFLUENCE TO THE MECHANICAL PROPERTIES OF BITUMINOUS MASTICS AND, THUS, TO ASPHALT MIXES USING SPECIAL PAN-FIBRES

The swelling volume of traffic and gradually increasing axle loads present the roadworks engineer with increasingly difficult problems to solve. Instead of providing the required budgets, attention is being focused on requiring asphalt road surfaces to be of higher quality and longer lasting. These stiffer requirements will have to be met by companies under pressure to satisfy the terms of pending design and construction contracts. Asphalt road construction standards and guidelines in the Federal Republic of Germany and Austria ensure a high degree of safety and quality. There is hardly any margin left in the manufacture of asphalt open-grain mix. Even stone mastic asphalt, consisting of self-supporting aggregates, otherwise known to be highly stable, tends to fail and form wheel track ruts when subjected to unfavourable extreme temperature and traffic loads. The former Hoechst AG and later FISIPE Barcelona S.A has been pursuing research on improving the mastics and, thus, the asphalt's structure since 1993, and has turned to high-strength acrylic fibre specifically developed for this purpose. This paper deals with the influence of synthetic fibres to the hot mix specifically to SMA and open Grain asphalt and includes an 8 year lasting field study case from Austria. Further it was to prove that a specific fibre does not just inhibit the binder from dropping off, but to consider the synthetic fibres as a further alternative to modify bitumen, enhance the mastic characteristic and, thus, the overall performance of asphalt. 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:
  • BULLINGER, L
• Publication Date: 2004

Language

• English

Media Info

• Features: References;
• Pagination: p. 889-902
• Serial:
  • PROCEEDINGS OF THE 3RD EURASPHALT AND EUROBITUME CONGRESS HELD VIENNA, MAY 2004
  • Volume: 1
  • Publisher: FOUNDATION EURASPHALT

Subject/Index Terms

• TRT Terms: Acrylic resins; Bituminous mixtures; Conferences; Durability; Fibers; Mastic asphalt; Pavement design; Softening point; Tests
• ITRD Terms: 7402: Acrylic; 4967: Bituminous mixture; 8525: Conference; 5910: Durability; 4557: Fibre; 3055: Pavement design; 5272: Softening; 6255: Test
• Subject Areas: Highways; Pavements;

Filing Info

• Accession Number: 00980883
• Record Type: Publication
• Source Agency: Transport Research Laboratory
• ISBN: 90-802884-4-6
• Files: ITRD
• Created Date: Nov 3 2004 12:00AM