LTPP Computed Parameter: Dynamic Modulus

Kim, Y. Richard; Underwood, B.; Far, M. Sakhaei; Jackson, N.; Puccinelli, J.; Nichols Consulting Engineers

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LTPP Computed Parameter: Dynamic Modulus

2011-09-01
By Kim, Y. Richard ; Underwood, B. ; Far, M. Sakhaei ; ...

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English

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Details:

Creators:

Kim, Y. Richard ; Underwood, B. ; Far, M. Sakhaei ; Jackson, N. ; Puccinelli, J.

Kim, Y. Richard ; Underwood, B. ; Far, M. Sakhaei ; Jackson, N. ; Puccinelli, J. Less -
Corporate Creators:

Nichols Consulting Engineers
Corporate Contributors:

Turner-Fairbank Highway Research Center
Subject/TRT Terms:

[+]

Dynamic Modulus Of Elasticity Hot Mix Paving Mixtures Long-Term Pavement Performance Program Mathematical Models Mechanistic-Empirical Pavement Design Guide Neural Networks Pavement Design Performance Measurement Research Hub
Publication/ Report Number:

FHWA-HRT-10-035
Resource Type:

Tech Report
Geographical Coverage:

North America ; United States

North America ; United States Less -
Corporate Publisher:

United States. Federal Highway Administration
NTL Classification:

NTL-HIGHWAY/ROAD TRANSPORTATION-HIGHWAY/ROAD TRANSPORTATION;NTL-HIGHWAY/ROAD TRANSPORTATION-Design;NTL-HIGHWAY/ROAD TRANSPORTATION-Pavement Management and Performance;
Abstract:

The dynamic modulus, |E*|, is a fundamental property that defines the stiffness characteristics of hot mix asphalt (HMA) mixtures as a function of loading rate and temperature. In spite of the demonstrated significance of |E*|, it is not included in the current Long-Term Pavement Performance (LTPP) materials tables because the database structure was established before |E*| was identified as the main HMA property in the Mechanistic Empirical Pavement Design Guide (MEPDG). The objective of this study was to use readily available binder, volumetric, and resilient material properties in the LTPP database to develop |E*| estimates. This report provides a thorough review of existing prediction models. In addition, several models have been developed using artificial neural networks for use in this project. This report includes assessments of each model, quality control checks applied to the data, and the final structure and format of the dynamic modulus data added to the LTPP database. A program was also developed to assist in populating the LTPP database, and the details of the program are provided in this report.
Format:

PDF
Funding:

DTFH61-02-D-00139
Collection(s):

Federal Highway Administration
Main Document Checksum:

[+]

urn:sha256:887ac194fe9c54173bc1c776901dd8f04153f83dffc406b62dbbc6de55d18d2b
Download URL:

https://rosap.ntl.bts.gov/view/dot/35741/dot_35741_DS1.pdf
File Type:

10035.pdf

pdf

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