Determination of mechanical properties of materials used in WAY-30 test pavements.

Details

• Alternative Title:
  Determination of mechanical properties used in WAY-30 test pavements
• Creators:
  Kim, Sang-Soo ; Sargand, Shad ; Masada, Teruhisa ; Hernandez, Jaime
• Corporate Creators:
  Ohio University. Ohio Research Institute for Transportation and the Environment (ORITE)
• Corporate Contributors:
  Ohio. Dept. of Transportation. Office of Research and Development ; United States. Federal Highway Administration
• Subject/TRT Terms:
  • Portland cement concrete
  • Asphalt
  • Concrete pavements
  • Asphalt concrete pavements
  • Perpetual pavements
  • Mechanical properties Pavements, Concrete--Testing
  • Pavements, Asphalt concrete--Testing
• Publication/ Report Number:
  FHWA/OH-2010/9
• Resource Type:
  Tech Report
• Geographical Coverage:
  Ohio
• Edition:
  Technical report.
• Corporate Publisher:
  Ohio Research Institute for Transportation and the Environment
• Abstract:
  The US Route 30 bypass of Wooster, Ohio, in Wayne County, “WAY-30”, was constructed to demonstrate two types of ; extended service pavements, a long-life Portland cement concrete (PCC) pavement on the eastbound lanes and an asphalt ; concrete (AC) perpetual pavement on the westbound lanes. Both pavements are designed to provide 50 years or more of ; service with minimal maintenance (e.g. resurfacing). The PCC pavement structure features a thick and extra-wide slab on an ; asphalt treated base, while the AC pavement structure features a Superpave surface and a Fatigue Resistant Layer (FRL). ; Report FHWA/OH-2008/7 discusses the instrumentation and studies of the response of the pavement under loads. For this ; study, samples of all pavement materials, including soils, granular subbase material, PCC mixes, and AC mixes were tested ; in the laboratory to determine material parameters. Four asphalt mixes were selected to provide a rut and fatigue resistant ; pavement structure, while two mixes of the PCC were used in different sections of the road. The subgrade material was ; ODOT type A-4a (AASHTO A-4). The granular subbase material was A-1a with high permeability (1.001 cm/s or 2,838 ; ft/day). PCC tests included: unit weight, modulus of rupture, static modulus of elasticity, Poisson’s ratio, splitting tensile ; strength, compressive strength, maturity, and thermal coefficient of linear expansion. AC test results indicated that the ; creation of asphalt-rich bottom by adding additional asphalt binder did work to increase the fatigue resistance by orders of ; magnitude. At 70 με, the expected fatigue endurance limit and the designed strain level for the structure, regular 302 mix ; showed 20,000 cycles to failure while asphalt-rich 302 mix (Fatigue Resistant Layer) is estimated to have 20 million cycles to ; failure. For average climatic and traffic conditions (25°C or 77°F; 10 Hz or 0.1 sec loading time), the overall dynamic moduli ; and the resilient moduli of asphalt mixes were higher than the values used in the development of the asphalt perpetual ; pavement structure. This will reduce the maximum strain at the bottom of FRL significantly than the designed 70 με. The ; rutting test results from asphalt pavement analyzer test and flow numbers obtained from the repeated load test indicated that ; all asphalt mixes were rut-resistant. TSRST cracking temperatures of asphalt mixes were lower than the expected pavement ; temperatures for the project site determined by LTPPBind software, suggesting the possibility of the low temperature thermal ; cracking would be very small.
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• Format:
  PDF
• Funding:
  437046
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/18244/dot_18244_DS1.pdf
• File Type:
  [PDF - 10.70 MB]
• Collection(s):
  US Transportation Collection
• Main Document Checksum:
  urn:sha-512:b90eb86a851d6128b516556fb963fa12610b16567abe1e93eb0dd3f08644e546925aa5b414d6bb977a0364098a9c5f798d3b76a7d15a526c4bbad0f985d9e71c