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DEVELOPMENT OF LIQUIDAT ED DAMAGES FOR TH E OKL AHOMA DEPARTMENT OF TRANSPORTATION (FHWA-OK-08-12 2120)
(2009-8)
Federal regulations require that DOTs must establish liquidated damages (LD) for construction projects and update when necessary and submit them to FHWA every two years for approval. According to FHWA, the method used to ...
Evaluating Percent Within Limits (PWL) Specifications Volume 1: HMA Specifications (FHWA-OK 06(05)v1 2172)
(2006-5)
The Oklahoma Department of Transportation (ODOT) has let four paving jobs for construction where percent within limits (PWL) specifications were employed. The PWL specifications are intended to be used as part of the Quality ...
Evaluation of Cold In-Place Recycling for Rehabilitation of Transverse Cracking on US 412 (FHWA-OK-07-04 2178)
(2007-12)
Successful rehabilitation of transverse cracked hot mix asphalt (HMA) pavements has been a challenge for state DOTs. Conventional thin HMA overlays allow the rapid return of the existing transverse cracks and thicker HMA ...
Determination of Dynamic Modulus Master Curves for Oklahoma HMA Mixtures (FHWA-OK 07(05) 2177
(2007-12)
The Mechanistic-Empirical Pavement Design Guide (M-EPDG) uses a hierarchical approach with three levels of material characterization for asphalt materials. The first level provides the highest design reliability and each ...
Risk Analysis of ODOT's HMA Percent Within Limits (PWL) Specification (FHWA-OK 07(03) 2128
(2007-8)
The Oklahoma Department of Transportation (ODOT) is considering switching its method of payment for hot mix asphalt (HMA) construction from their current procedure to a Percent Within Limits (PWL) specification. Quality ...