Field Implementation of Non-contact Profiling and Road Roughness Equipment PDF Download
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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: 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: Roger S. Walker
Publisher:
ISBN:
Category :
Languages : en
Pages : 52
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Book Description
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 552
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Author:
Publisher:
ISBN:
Category : Highway engineering
Languages : en
Pages : 576
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Book Description
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 444
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Author:
Publisher: Strategic Highway Research Program (Shrp)
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 144
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Book Description
This manual describes procedures to be followed when measuring pavement profiles for the Long-Term Pavement Performance (LTPP) program using the K.J. Law Profilometer (registered trademark), Face Technologies Dipstick (registered trademark), and the rod and level. Field testing procedures, data collection procedures, calibration of equipment, record keeping, and maintenance of equipment for each of the profiling methods are described.
Author: Library of Congress. Exchange and Gift Division
Publisher:
ISBN:
Category : State government publications
Languages : en
Pages : 480
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Book Description
June and Dec. issues contain listings of periodicals.
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:
Publisher:
ISBN:
Category :
Languages : en
Pages : 796
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Book Description
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 1194
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Book Description
