ASTM E1489
Standard Practice for Computing Ride Number of Roads from Longitudinal Profile Measurements Made by an Inertial Profile Measuring Device
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About This Item
ASTM E1489 is the standard practice for computing ride number of roads from longitudinal profile measurements made by an inertial profile measuring device. It provides a structured way to translate profile data into a ride-related metric that helps describe roadway smoothness in a consistent, repeatable format. For agencies, contractors, and engineers, this ASTM standard supports more uniform evaluation of road performance and comparison of measured results across projects or locations.
Purpose of ASTM E1489
The purpose of ASTM E1489 is to define a practical method for calculating ride number from longitudinal profile measurements collected with an inertial profile measuring device. This helps connect measured surface profile data to a roadway ride metric that can be used in pavement evaluation and acceptance workflows. By standardizing the computation approach, the document supports more consistent interpretation of road smoothness results and reduces ambiguity when comparing measurements from different surveys or equipment runs.
Common use cases of ASTM E1489
This standard is commonly used when roadway profile data must be converted into a ride number for analysis, reporting, or quality-related decisions. It is relevant to pavement testing programs that rely on inertial profile measuring equipment and longitudinal profile measurements. ASTM E1489 may also be used in project documentation, acceptance testing, and maintenance planning where a consistent ride metric is needed to evaluate road surface condition or monitor changes over time.
Why ASTM E1489 matters
ASTM E1489 matters because it helps promote consistency in how ride-related roadway measurements are computed and reported. That consistency is important for compliance checks, procurement specifications, and quality control processes tied to pavement performance. When a standard method is used, organizations can better compare results between sites, reduce measurement interpretation differences, and make more reliable decisions about road condition, corrective work, or acceptance of finished surfaces.
- Ride number calculation from profile data
- Longitudinal measurements from inertial devices
- Roadway smoothness evaluation
- Standardized reporting and comparison
- Pavement testing and acceptance support
- Publication Date: 2023-12-13
- Publisher: ASTM
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