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# Data and Analysis Codes for TRR paper:
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# Data and Analysis Code for TRR Paper
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## Evaluating Mechanical Performance of High-RAP Asphalt Mixtures Modified with Bio- and Petroleum-Based Recycling Agents: Insights from the Pavement Testing Facility
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[![GitHub License](https://img.shields.io/badge/License-MIT-blue.svg)](https://github.com/TFHRC-ABML/Pub_TRR_RAmodified_PitC/blob/main/LICENSE)
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**[paper](XXXX)**
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📄 **[Paper Link (under review)](XXXX)**
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Authors and Contributors:
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### Authors and Contributors
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- *Behnam Jahangiri ([email protected])*
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- *S. Farhad Abdollahi ([email protected])*
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- *Adrian Anderiescu ([email protected])*
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- *Hamzeh Haghshenas ([email protected])*
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- *David Mensching ([email protected])*
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---
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This repository contains the data and analysis code accompanying the TRR paper (currently under review) titled:
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**"Evaluating Mechanical Performance of High-RAP Asphalt Mixtures Modified with Bio- and Petroleum-Based Recycling Agents: Insights from the Pavement Testing Facility."**
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This repository contains the data and analysis codes for the TRR paper [currently under review] titled "Evaluating Mechanical Performance of High-RAP Asphalt Mixtures Modified with Bio- and Petroleum-Based Recycling Agents: Insights from the Pavement Testing Facility".
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---
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## Content ##
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## Table of Contents
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0. [Requirement](#setup-instruction)
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0. [Dataset](#sample-database)
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0. [Analysis codes](#how-to-use)
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0. [Acknowledgement](#acknowledgement)
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0. [Citation](#citation)
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1. [Requirements](#requirements)
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2. [Dataset](#dataset)
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3. [Analysis Code](#analysis-code)
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4. [Acknowledgments](#acknowledgments)
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5. [Citation](#citation)
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---
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## Requirement ##
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## Requirements
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This project has been developed using `Python` programming language coupled with some external libraries, detailed provided below. You'll need to use the compatible versions to run it smoothly.
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The analysis was conducted using Python and several external libraries. Please ensure the following versions are installed for full compatibility:
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* Python version 3.8.20
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* `numpy` library, version 1.24.3
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* `scipy` library, version 1.10.1
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* `pandas` library, version 2.0.3
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* `matplotlib` library, version 3.7.2
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* `sklearn` library, version 1.3.0
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- Python 3.8.20
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- `numpy` 1.24.3
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- `scipy` 1.10.1
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- `pandas` 2.0.3
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- `matplotlib` 3.7.2
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- `scikit-learn` 1.3.0
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---
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## Dataset ##
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## Dataset
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Data has been provided with this repository as an Excel file, called `Data.xlsx`. This file include several sheets, each for a specific test or material properties results, as follows:
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The dataset is provided as an Excel file, `Data.xlsx`, which contains multiple sheets corresponding to different laboratory tests and material properties:
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* **RA Dosage Determination**: this sheet include the high- and low-temperature performance grade (HTPG and LTPG) of the binder blends which is used to determined the optimized recycling agent (RA) dosage at the mixture level.
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* **Compaction Curves**: this sheet include the gyratory compactor results in terms of calculated %Gmm as a function of number gyration for different asphalt mixtures (with three replicates).
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* **Gradation Curves**: this sheet includes the measured aggregate gradation, target gradation, and couple of control points for the asphalt mixtures used in this study.
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* **JMF**: this sheet include the job mix formula (JMF) details of the asphalt mixtures used in this study.
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* **HTPG**: this sheet include the measured HTPG of the recovered binders from the asphalt mixtures of this study.
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* **LTPG**: this sheet include the measured S-values and m-values from the BBR testing for the recovered binders from the asphalt mixtures of this study.
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* **Glover-Rowe (G-R)**: this sheet include the |G*| and phase angle values measured at the temperature of 44.7°C and loading frequency of 10 rad/s which is used to calculate the G-R parameter for the recovered binders from the asphalt mixtures of this study.
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* **DENT**: this sheet include the detailed outputs of the DENT test for the recovered binders from the asphalt mixtures of this study.
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* **Extended BBR**: this sheet include the measured S-values vand m-values under different conditioning of extended BBR test for the recovered binders from the asphalt mixtures of this study.
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* **IDEAL-CT**: this sheet include the analyzed outputs of the IDEAL-CT test for the asphalt mixtures of this study.
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* **DCT**: this sheet include the analyzed outputs of the DCT test (fracture energy) for the asphalt mixtures of this study.
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* **HWTT (raw data)**: this sheet include the raw data from the HWTT test to plot the rutting curves for the asphalt mixtures of this study.
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* **HWTT (Analysis)**: this sheet include the analyzed outputs of the HWTT test for the asphalt mixtures of this study.
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- **RA Dosage Determination**: Contains high- and low-temperature performance grades (HTPG and LTPG) of binder blends used to determine optimized RA dosage.
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- **Compaction Curves**: Gyratory compactor results showing %Gmm versus number of gyrations (three replicates per mixture).
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- **Gradation Curves**: Measured and target aggregate gradations with control points for the mixtures.
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- **JMF**: Job Mix Formula (JMF) details for all asphalt mixtures.
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- **HTPG**: Measured HTPG of recovered binders.
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- **LTPG**: S-values and m-values from BBR testing of recovered binders.
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- **Glover-Rowe (G-R)**: |G*| and phase angle values at 44.7 °C and 10 rad/s used to compute the G-R parameter.
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- **DENT**: Results from the DENT test, including CTOD and related outputs.
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- **Extended BBR**: S-values and m-values under extended BBR test conditions.
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- **IDEAL-CT**: Summary results of the IDEAL-CT test.
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- **DCT**: Summary results from the DCT test (fracture energy).
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- **HWTT (raw data)**: Raw rutting data from the Hamburg Wheel Tracking Test.
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- **HWTT (Analysis)**: Analyzed HWTT outputs.
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---
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## Analysis codes ##
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## Analysis Code
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The analyses efforts of this study has been organized into 4 different jupyter notebooks, as follows:
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The analysis is organized into four Jupyter Notebooks:
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* `Task01_RA_Optimization.ipynb`: this notebook include the codes to calculate the optimized RA dosage and plot the relevant figure.
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* `Task02_Compaction_Gradation.ipynb`: this notebook include the codes to plot the compaction and gradation curves.
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* `Task03_Binder_Test_Results.ipynb`: this notebook include the analysis and plotting codes for the asphalt binder tests, including the HTPG, LTPG, G-R, LTPG loss, and DENT's CTOD parameter.
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* `Task04_Mixture_Test_Results.ipynb`: this notebook include the analysis and plotting codes for the asphalt mixture tests, including the IDEAL-CT, DCT, and HWTT tests.
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- `Task01_RA_Optimization.ipynb`: Calculates the optimized RA dosage and plots relevant figures.
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- `Task02_Compaction_Gradation.ipynb`: Plots compaction and gradation curves.
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- `Task03_Binder_Test_Results.ipynb`: Analyzes binder test results including HTPG, LTPG, G-R, LTPG loss, and CTOD from DENT.
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- `Task04_Mixture_Test_Results.ipynb`: Analyzes mixture performance from IDEAL-CT, DCT, and HWTT tests.
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## Acknowledgement ##
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---
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We extend our sincere gratitude to Bethel La Plana, Steve Portillo, Scott Parobeck, and Frank Davis for their contributions in preparing and testing the asphalt binder and mixture samples.
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## Acknowledgments
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## Citation ##
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We gratefully acknowledge Bethel La Plana, Steve Portillo, Scott Parobeck, and Frank Davis for their efforts in preparing and testing the asphalt binder and mixture samples used in this study.
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If you use our code or method in your work, please cite the following:
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---
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## Citation
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If you use this code or dataset in your research, please cite the following:
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```bibtex
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@misc{JahangiriRAmodifiedHighRAP2025,
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title = {Evaluating Mechanical Performance of High-RAP Asphalt Mixtures Modified with Bio- and Petroleum-Based Recycling Agents: Insights from the Pavement Testing Facility},
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author = {Jahangiri, Behnamm and Abdollahi, Seyed Farhad and Andriescu, Adrian and Haghshenas, Hamzeh and Mensching, David},
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year = {TBD},
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month = TBD,
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publisher = {Transportation Research Record: Journal of Transportation Research Board},
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doi = {XXXXX},
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urldate = {2025-10-09},
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title = {Evaluating Mechanical Performance of High-RAP Asphalt Mixtures Modified with Bio- and Petroleum-Based Recycling Agents: Insights from the Pavement Testing Facility},
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author = {Jahangiri, Behnam and Abdollahi, Seyed Farhad and Anderiescu, Adrian and Haghshenas, Hamzeh and Mensching, David},
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year = {TBD},
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month = {TBD},
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publisher = {Transportation Research Record: Journal of the Transportation Research Board},
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doi = {XXXXX},
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urldate = {2025-10-09},
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archiveprefix = {XXX},
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langid = {english},
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keywords = {Bio Recycling Agent, Petroleum Recycling Agent, High-RAP Asphalt Mixtures, Cracking Resistance, Rutting Resistance}
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langid = {english},
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keywords = {Bio Recycling Agent, Petroleum Recycling Agent, High-RAP Asphalt Mixtures, Cracking Resistance, Rutting Resistance}
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}
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```
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Please direct any questions to Farhad Abdollahi ([email protected]).
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---
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📬 For questions or feedback, please contact **Farhad Abdollahi** at *[email protected]*.

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