“TCP Design” for Thin Concrete Pavement

Measurements made in Chile, in different climates (dry, wet, hot and cold) reveal that slabs are always curled with the borders in the air and never warped (Larrain, 1986). This curling is mostly influenced by thermal and hydraulic gradients during construction. This type of curling can be so large that positive gradients given by daily and season cycle of temperature and humidity gradients will most of the time not be enough to warp (edges downwards) the slab, so warping will only occur in some conditions and during very short periods of time during the day (Larraín 1986). Because of this, the maximum tensile stresses are on the top of the slab and are produced by the loads of the truck flattening the slab. The sum of all the stresses is the cause of fatigue life and affects the performance of the pavement (Jane Jang, Shiraz Tayabji 1998). TCPavements is proposing a new methodology to design concrete pavements optimizing the joint spacing, given the geometry of trucks.

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• Supplemental Notes:
  • Abstract reprinted with permission from the International Society for Concrete Pavements.
• Corporate Authors:

  International Society for Concrete Pavements

  6305 Oyster Bay Court
  Bridgeville, Pennsylvania  United States  15017
• Authors:
  • Covarrubias T, Juan Pablo
  • Covarrubias, Juan Pablo
• Conference:
  • 9th International Conference on Concrete Pavements
  • Location: San Francisco California, United States
  • Date: 2008-8-17 to 2008-8-21
• Publication Date: 2008

Language

• English

Media Info

• Media Type: Digital/other
• Features: CD-ROM; Figures; References;
• Pagination: pp 905-917
• Monograph Title: 9th International Conference on Concrete Pavements: The Golden Gate to Tomorrow's Concrete Pavements

Subject/Index Terms

• TRT Terms: Axle load force; Concrete pavements; Curling; Fatigue (Mechanics); Pavement design; Pavement joints; Pavement performance; Slabs; Tensile strength; Thickness
• Geographic Terms: Chile
• Subject Areas: Design; Highways; Pavements; I22: Design of Pavements, Railways and Guideways;

Filing Info

• Accession Number: 01494778
• Record Type: Publication
• Files: TRIS
• Created Date: Sep 30 2013 5:16PM