Examples of PAV in a sentence
The ATR-FTIR spectra shall be collected on unaged softener modified binder, 20-hour Pressurized Aging Vessel (PAV) aged softener modified binder, and 40-hour PAV aged softener modified binder.
TestParameterSmall Strain Parameter (AASHTO PP 113) BBR, ΔTc, 40 hrs PAV (40 hrs continuous or 2 PAV at 20 hrs)-5 °C min.
Table 4 - Requirements for Softener Modified Asphalt Binders TestAsphalt GradeSM PG 46-28 SM PG 46-34SM PG 52-28 SM PG 52-34SM PG 58-22 SM PG 58-28SM PG 64-22Small Strain Parameter (AASHTO PP 113) BBR, ΔTc, 40 hrs PAV (40 hrs continuousor 2 PAV at 20 hrs) -5°C min.Large Strain Parameter (Illinois Modified AASHTO T 391) DSR/LAS FatigueProperty, Δ|G*|peak τ, 40 hrs PAV (40 hrs continuous or 2 PAV at 20 hrs) ≥ 54 % The following grades may be specified as tack coats.
Table 4 - Requirements for Softener Modified Asphalt Binders TestAsphalt GradeSM PG 46-28 SM PG 46-34SM PG 52-28 SM PG 52-34SM PG 58-22 SM PG 58-28SM PG 64-22Small Strain Parameter (AASHTO PP 113)BBR, ΔTc, 40 hrs PAV (40 hrs continuous or 2 PAV at 20 hrs) -5°C min.Large Strain Parameter (Illinois Modified AASHTO T 391) DSR/LAS FatigueProperty, Δ|G*|peak τ, 40 hrs PAV (40 hrs continuous or 2 PAV at 20 hrs) ≥ 54 % The following grades may be specified as tack coats.
The PAV is then calculated by dividing the TAV by the maximum AV (the total number of metrics).
TestParameterSmall Strain Parameter (AASHTO PP 113) BBR, ΔTc,40 hrs PAV (40 hrs continuous or 2 PAV at 20 hrs)-5 °C min.
Table 4 - Requirements for Softener Modified Asphalt Binders TestAsphalt GradeSM PG 46-28 SM PG 46-34SM PG 52-28 SM PG 52-34SM PG 58-22 SM PG 58-28SM PG 64-22Small Strain Parameter (AASHTO PP 113) BBR, ΔTc, 40 hrs PAV (40 hrscontinuous or 2 PAV at 20 hrs) -5°C min.Large Strain Parameter (Illinois Modified AASHTO T 391) DSR/LAS FatigueProperty, Δ|G*|peak τ, 40 hrs PAV(40 hrs continuous or 2 PAV at 20 hrs) ≥ 54 % The following grades may be specified as tack coats.
The recovered asphalt will be aged with the RTFO and the PAV for this testing.
The Percentage Achievement Value (PAV) is then calculated by dividing the TAV by the maximum AV (the total number of metrics).
Table 4 - Requirements for Softener Modified Asphalt Binders TestAsphalt GradeSM PG 46-28 SM PG 46-34SM PG 52-28 SM PG 52-34SM PG 58-22 SM PG 58-28SM PG 64-22Small Strain Parameter (AASHTO PP 113) BBR, ΔTc, 40 hrs PAV (40 hrs continuous or 2 PAV at 20 hrs) -5°C min.Large Strain Parameter (Illinois Modified AASHTO T 391) DSR/LAS FatigueProperty, Δ|G*|peak τ, 40 hrs PAV (40 hrs continuous or 2 PAV at 20 hrs) ≥ 54 % The following grades may be specified as tack coats.