Results 301 to 310 of about 19,396 (328)

Pavement Roughness Data Collection and Utilization

Transportation Research Record: Journal of the Transportation Research Board, 1999
The Florida Department of Transportation (FDOT) is in the process of evaluating the protocols for collecting and analyzing roughness data. As part of that evaluation, a nationwide survey was performed to identify the trends and practices of various departments of transportation with regard to roughness data collection and analysis.
Khaled Ksaibati, Ronald McNamara, William Miley, Jamshid Armaghani   +3 more
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Stochastic modelling of pavement roughness

Proceedings of 28th Southeastern Symposium on System Theory, 2002
Pavement roughness is usually characterized by a one figure statistic of pavement profile data. This approach discards a rich body of useful pavement information in the pavement profile data. In this study, informative parametric models for pavement roughness are developed where pavement roughness is treated as a stochastic signal.
J.J. Zhu, null Wenli Zhu
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Asphalt pavement dynamic response under different vehicular speeds and pavement roughness

Road Materials and Pavement Design, 2019
The research attempted to analyse the pavement response under different vehicular speeds and pavement roughness classes.
Xiaolan Liu, Xianmin Zhang
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Spectral Analysis of Highway Pavement Roughness

Journal of Transportation Engineering, 1991
This paper reports new findings in the spectral analysis of pavement roughness. Elevation profiles of federal and interstate highways were measured with a profilometer, and spectral analysis was used to compute power spectral densities for the longitudinal elevation of pavements.
Jorge Marcondes, Gary J. Burgess, R. Harichandran, Mark B. Snyder   +3 more
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Factors Affecting Initial Roughness of Concrete Pavement

Journal of Performance of Constructed Facilities, 2007
Past studies have shown that initial pavement roughness greatly affects future pavement roughness and roughness progression rate. Initial pavement roughness is also an important input to the roughness prediction model in mechanistic-empirical design guide.
Haifang Wen, Cynthia Chen
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Effect of Pavement Roughness on User Costs

Transportation Research Record: Journal of the Transportation Research Board, 2012
After the construction of a pavement system, deterioration occurs because of traffic loading and weathering action and results in the formation of various types of distresses and an increase in pavement roughness. “Roughness” can be defined as irregularities of pavement surface that affect driver safety and increase user costs, including fuel ...
Shahidul Islam, William G. Buttlar
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Impact of subgrade soils on pavement roughness

Canadian Geotechnical Journal, 2016
To highlight the impact of subgrade soil variability on the pseudo-profile and roughness at the end of road construction, a research program has been carried out at the Laboratoire sur les chaussées et matériaux bitumineux at École de technologie supérieure (ÉTS).
Michel Vaillancourt, Daniel Perraton
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Pavement roughness measurement based on structure light

SPIE Proceedings, 2008
Pavement roughness is an important index to reflect the quality of pavement. To improve the efficiency of pavement roughness measurement, a novel pavement roughness measurement system based on structured light vision inspection is proposed in this paper.
WanYu Liu, Xiaoming Sun, Jian Ping Huang, Kai Xie   +3 more
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Analysis of Pavement Roughness

1961
In earlier progress reports dealing with the development of triaxial acceleration analysis as applied to the evaluation of pavement riding qualities, of which this report is a continuation, riding comfort or discomfort was emphasized. The accelerations monitored then were evaluated in terms of g's per sec., or "jerk" which is considered by some ...
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Aircraft-Based Pavement Surface Roughness Assessment

Transportation Research Record: Journal of the Transportation Research Board, 2007
It has long been recognized that each aircraft responds differently to a pavement surface roughness pattern. On the basis of that observation, the development of two aircraft-based roughness assessment criteria is discussed. Both allow the analysis of pavement surface profiles obtained from surveys carried out at 1-m intervals.
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