Accelerated Loading Tests on the Durability of Cool Pavement at PWRI

The 2001 Technical Standards for Pavement Structures introduced the concept of pavement performance, and accelerated loading tests are regarded as a very effective method for evaluating pavement durability. The Pavement Test Field at the Public Works Research Institute is acknowledged as the only official test facility for evaluating pavement durability in Japan. This facility provides a circular test track with a diameter of 200 m, on which heavily loaded vehicles are driven by unmanned operation, controlled by a positioning system equipped with GPS and other sensors. In line with global concerns over the urban heat island effect, Japan has taken various measures to decrease the road surface temperature, including the use of cool pavement that reflects solar radiation and retains water within the pavement materials. Although this pavement technique can reduce the road surface temperature in theory, its durability on actual roadways has not yet been proven. Thus, this paper examines its durability by conducting accelerated loading tests on test pavement applied to the test track on Japan's Pavement Test Field. An outline of the Pavement Test Field and the results of testing the durability of cool pavement are presented.

• Corporate Authors:

  Centro de Estudios y Experimentación de Obras Públicas (CEDEX)

  Alfonso XII, 3
  Madrid,   Spain  28014
• Authors:
  • Kawakami, Atsushi
  • Kubo, Kazuyuki
• Conference:
  • APT '08. Third International Conference
  • Location: Madrid , Spain
  • Date: 2008-10-1 to 2008-10-3
• Publication Date: 2008

Language

• English

Media Info

• Media Type: Print
• Features: Figures; Photos; References; Tables;
• Pagination: 25p
• Monograph Title: Third International Conference on Accelerated Pavement Testing. APT 2008. Impacts and Benefits from APT Programs

Subject/Index Terms

• TRT Terms: Accelerated tests; Durability; Load tests; Pavement performance; Test tracks
• Uncontrolled Terms: Cool pavements; Pavement testing
• Geographic Terms: Japan
• Subject Areas: Highways; Pavements; I22: Design of Pavements, Railways and Guideways;

Filing Info

• Accession Number: 01137335
• Record Type: Publication
• Files: TRIS
• Created Date: Jul 30 2009 1:47PM