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SERVICEABILITY RATINGS OF TEXAS HIGHWAY SYSTEM FOR PAVEMENT MANAGEMENT. FINAL REPORT

H E Desolminihac, W R Hudson, E A Ricci

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Abstract

Serviceability Index (SI) values define the riding quality of a section of pavement and they are required input parameters for several design methods. Accurate pavement design requires good estimates of the true serviceability index value at periods in the pavement's life: (1) SI immediately after the construction of a new pavement, (2) SI of worn out pavement just before rehabilitation, and (3) SI restored to the pavement just after rehabilitation. This study describes the analysis used to find the mean values and the variability of the serviceability index for the three pavement stages described above for use in Texas pavement management activities.

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Serviceability Index (SI) values define the riding quality of a section of pavement and they are required input parameters for several design methods. Accurate pavement design requires good estimates of the true serviceability index value at periods in the pavement's life: (1) SI immediately after the construction of a new pavement, (2) SI of worn out pavement just before rehabilitation, and (3) SI restored to the pavement just after rehabilitation. This study describes the analysis used to find the mean values and the variability of the serviceability index for the three pavement stages described above for use in Texas pavement management activities.

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Available abstract

Serviceability Index (SI) values define the riding quality of a section of pavement and they are required input parameters for several design methods. Accurate pavement design requires good estimates of the true serviceability index value at periods in the pavement's life: (1) SI immediately after the construction of a new pavement, (2) SI of worn out pavement just before rehabilitation, and (3) SI restored to the pavement just after rehabilitation. This study describes the analysis used to find the mean values and the variability of the serviceability index for the three pavement stages described above for use in Texas pavement management activities.

Key concepts: Serviceability (structure), Pavement management, Pavement engineering, Engineering, Civil engineering, Transport engineering, Forensic engineering, Asphalt

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