Full-Scale Accelerated Loading Test for Load Distribution on Subgrade due to CFA Stabilized Base

On-site recycling of asphalt pavement with Cement Foamed-Asphalt (CFA) can repair existing pavement to produce newly durable pavement. The reasons might be the increase of strength of base course and the reduction of stress or strain on subgrade due to the load distribution of CFA stabilized base, however they have not been determined quantitatively on-site. So the durability and the load distribution capacity of CFA stabilized base with powdery and slurried cement was evaluated using soil pressure and vertical strain on the top of subgrade at full-scale accelerated loading test. As a result, CFA stabilized base was able to reduce both soil pressure and vertical strain that occur on the top of subgrade, because it increased the angle of load distribution and enhanced the load distribution capacity. The paper found that CFA stabilized base contribute to the reduction of subgrade damage and the prolongation of the pavement life on rutting.

• Availability:
  • Find a library where document is available. Order URL: http://www.crcpress.com/product/isbn/9780415621359
• Supplemental Notes:
  • Abstract reprinted with permission from Taylor and Francis.
• Corporate Authors:

  CRC Press/Balkema

  P.O. Box 447
  2300 AK Leiden,   Netherlands 
• Authors:
  • Tomisawa, K
  • Endoh, T
  • Godenki, H
  • Okabe, T
  • Kanai, T
• Conference:
  • 2nd International Conference on Transportation Geotechnics (ICTG)
  • Location: Hokkaido , Japan
  • Date: 2012-9-10 to 2012-9-12
• Publication Date: 2012

Language

• English

Media Info

• Media Type: Digital/other
• Features: Figures; Photos; References; Tables;
• Pagination: pp 174-179
• Monograph Title: Advances in Transportation Geotechnics II

Subject/Index Terms

• TRT Terms: Asphalt pavements; Base course (Pavements); Bearing capacity; Earth pressure; Foamed asphalt; Rutting; Stabilized materials; Subgrade (Pavements)
• Subject Areas: Highways; Pavements; I22: Design of Pavements, Railways and Guideways;

Filing Info

• Accession Number: 01470860
• Record Type: Publication
• ISBN: 9780415621359
• Files: TRIS
• Created Date: Jan 29 2013 1:20PM