Interpretation of Road Roughness Profile Data PDF Download
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Author: Michael W. Sayers
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 0
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Book Description
Author: Michael W. Sayers
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 0
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Book Description
Author: John McLean
Publisher:
ISBN: 9780869107225
Category : Pavements
Languages : en
Pages : 25
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Book Description
Author: Maxwell Gordon Lay
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 10
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Book Description
"This paper is in two parts. The first part summarizes the contributions that ARRB has made ... and the second part is a summary of current technology in the area, with particular emphasis on ARRB's state-of-the-art laser profilometer"--Introd.
Author: Michael W. Sayers
Publisher:
ISBN:
Category :
Languages : en
Pages : 180
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Book Description
Author: Thomas D. Gillespie
Publisher: ASTM International
ISBN: 9780803104280
Category : Technology & Engineering
Languages : en
Pages : 208
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Book Description
Author: Michael W. Sayers
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 100
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Book Description
Road roughness is gaining increasing importance as an indicator of road condition, both in terms of pavement performance, and as a major determinant of road user costs. This paper defines roughness measurement systems hierachically into four groups, ranging from profilometric methods (2 groups), through response type road roughness measuring systems (RTRRMS's), and, subjective evaluation. The International Roughness Index (IRI) is defined, and the programs for it's calculation are provided. The IRI is based on simulation of the roughness response of a car travelling at 80 km/h. The report explains how all roughness measurements can be related to this scale, also when travelling at lower speeds than 80 km/h. The IRI emerges as a scale that can be used both for calibration and for comparative purposes.
Author: Roger S. Walker
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 46
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Book Description
The Surface Dynamics Profilometer, which has been used for several years by the Texas State Department of Highways and Public Transportation for road profile and roughness measurements, was recently updated to include non-contact or laser probes in place of the road following wheels. The upgrade also included a more up-to-date on-board computing capability. Likewise, procedures and enhancements to the Walker Roughness Device (WRD, or SIometer) was also recently completed. This current project was initiated to monitor the usage of this equipment, making any necessary improvements, etc., as the equipment was being used in actual field use. The report provides results of various applications of this equipment during the past year. The data were taken primarily by D-10 personnel.
Author: Ronald W. Carmichael
Publisher:
ISBN:
Category : Road meters
Languages : en
Pages : 95
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Book Description
Author: Ronald W. Carmichael
Publisher:
ISBN:
Category :
Languages : en
Pages : 108
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Book Description
Author: Stephen A. Dyer
Publisher:
ISBN:
Category : Pavements
Languages : en
Pages : 46
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Book Description
This project is the first phase of a proposed larger research effort whose goal is twofold: 1) to determine effective guidelines for collecting and processing road profiles; and 2) to determine, insofar as possible, the specific causes of the poor repeatability in the data obtained by the present Kansas Department of Transportation (KDOT) Pavement Management System.
