THE DETERIORATION OF BITUMINOUS BINDERS IN ROAD SURFACINGS. PROCEEDINGS, SIXTH CONFERENCE, ROAD ENGINEERING ASSOCIATION OF ASIA AND AUSTRALASIA, 4-10 MARCH 1990, KUALA LUMPUR, VOLUMES 1 TO 5 AND POST CONFERENCE PROCEEDINGS

One of the major modes of failure of bituminous surfacings in Malaysia is cracking. Work done elsewhere has shown that severe ageing of the bitumen in the top few millimetres of the surfacing is one of the contributory factors leading to top down or surface cracking. To investigate whether this was a cause of cracking in Malaysia the Public Works Department embarked on a comprehensive study to determine the ageing of the bitumen in surfacings constructed during 1987/88. Early results indicate that severe hardening is taking place in the top three millimetres of asphaltic concrete wearing course surfacings whilst little or no change takes place in the lower layers. The study also shows that a significant amount of bitumen hardening takes place during mixing and suggests that the upper mixing temperature range should be reviewed. A fast and reliable method for recovering binder from asphaltic materials is also briefly described. For the covering entry of the conference see IRRD 823206. (Author/TRRL)

• Corporate Authors:

  Road Engineering Association of Asia & Australasia

  Office of the Director-General of Public Works
  Kuala Lumpur,   Malaysia 
• Authors:
  • Ismail, Hasnur Rabiain Bin
• Publication Date: 1990

Media Info

• Features: References;
• Pagination: 21 p.
• Serial:
  • Volume: 1

Subject/Index Terms

• TRT Terms: Asphalt concrete; Bituminous binders; Concrete hardening; Conferences; Hardness; Mixing; Pavement cracking; Temperature; Wearing course (Pavements)
• Geographic Terms: Malaysia
• Old TRIS Terms: Aging; Mixing temperature
• Subject Areas: Highways; Materials; Pavements;

Filing Info

• Accession Number: 00620163
• Record Type: Publication
• Source Agency: ARRB
• Files: ITRD, TRIS
• Created Date: Mar 31 1992 12:00AM