Results 11 to 20 of about 1,620 (256)
Effects of Pavement Roughness on Rigid Pavement Stress
ABSTRACTPavement roughness causes pavement stress fluctuation along the road. However, the dynamic effects were not taken into account in most pavement design and studies. To investigate the influences of roadway roughness on pavement stresses, this study developed a coupled system consisting of a quarter-car model and an equivalent lump pavement model.
C.-M. Kuo, C.-R. Fu, K.-Y. Chen
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Effects of Vehicular Speed on the Assessment of Pavement Road Roughness [PDF]
Good ride quality is a fundamental requirement for all road networks in modern countries. For this purpose, it is essential to monitor and evaluate the effect of irregularities on road pavement surfaces. In the last few decades, many roughness indices have been proposed, with the aim to represent shortly the pavement surface characteristics and the ...
Loprencipe, Giuseppe +2 more
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In-service Portland cement concrete (PCC) pavements are subject to repeated dynamic loads from moving vehicles; thus, the actual stress generated in a PCC pavement may significantly differ from the static stress, which is normally used in the design and ...
Chuang Yan, Ya Wei
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Integrating Pavement Sensing Data for Pavement Condition Evaluation
Highway pavements are usually monitored in terms of their surface performance assessment, since the major cause that triggers maintenance is reduced pavement serviceability due to surface distresses, excessive pavement unevenness and/or texture loss.
Konstantinos Gkyrtis +2 more
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Assessment of Risky Cornering on a Horizontal Road Curve by Improving Vehicle Suspension Performance
Vehicle stability during cornering on horizontal road curves is a risky stage of travel because of additional factors acting. The main stability factor is centrifugal force, which depends on road curve sharpness and is very sensitive to driving speed ...
Vidas Žuraulis, Vytenis Surblys
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Rough thin pavement thickness estimation by GPR [PDF]
In civil engineering, usually the methods used to estimate the thickness of thin pavements consider flat interfaces for simplification. In this paper, the roughness of the surfaces is taken into account. First, the amplitudes of the first two echoes from the rough thin pavement are calculated from a rigorous electromagnetic method, the PILE method.
Nicolas Pinel +4 more
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A New Aircraft Taxiing Model Based on Filtering White Noise Method
The conversion relationship between power spectral density (PSD) and international roughness index (IRI) was studied based on the filtering white noise method with variable sampling frequency using a quarter vehicle model.
Xingang Shi +3 more
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Roughness-Induced Pavement–Vehicle Interactions [PDF]
Pavement roughness affects rolling resistance and thus vehicle fuel consumption. When a vehicle travels at constant speed on an uneven road surface, the mechanical work dissipated in the vehicle's suspension system is compensated by vehicle engine power and results in excess fuel consumption.
Arghavan Louhghalam +2 more
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The pavement roughness is the main variable that produces the vertical excitation in vehicles. Pavement profiles are the main determinant of (i) discomfort perception on users and (ii) dynamic loads generated at the tire-pavement interface, hence its ...
Boris Jesús Goenaga +2 more
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Development of An Artificial Neural Network Model for Asphalt Pavement Deterioration Using LTPP Data [PDF]
Deterioration models are the essential parts of any Pavement Management System (PMS). These models are employed to predict future pavement situation based on existence condition, parameters causing deterioration and implications of various maintenance ...
Nader Solatifar, S. Mohammad Lavasani
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