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Beyond the Basics: Mechanistic-Empirical Pavement Design

Since the dawn of pavements more than 2,000 years ago, roadway owners have been constructing pavements based on experience. It was not until the 1960’s that most owners got more sophisticated and started using purely empirical design methods (built it, test it, observe it and then develop an approach to design it) instead of building what has always worked. In the 1980s and 1990s some states began experimenting with a new process called Mechanistic-Empirical (ME) pavement design. This new design methodology allowed pavement designers to correlate the mechanistic properties of pavement under loaded conditions and predict pavement performance. While there are numerous tools available for ME design, most states still have not adopted it as the preferred design methodology.

Takeaways:
- Learn how empirical and ME design differ
- Understand the benefits and challenges with using a ME design methodology
- Evaluate the different tools which are available to complete ME design

Professional engineers (PEs) who register and attend the entire webinar as an individual will be awarded 1.5 Professional Development Hours (PDHs). APA/NAPA’s webinar program awards PDH credits only to the registered individual, and not to other members of a group that view the webinar together. To be eligible for the credits, individuals must remain signed in for the entire webinar, including for any question and answer session following the presentations.

APA/NAPA will report credits earned to the Registered Continuing Education Program (RCEP). Complaints about registered providers may be sent to RCEP, 1015 15th Street, NW, 8th Floor, Washington, D.C., 20005.

Asphalt plants play a critical role in meeting the stringent material requirements needed to construct asphalt pavements that will provide long service lives and good performing, cost effective pavements for the traveling public. Ensuring the plant is operating in calibration is important to producing more consistent and on specification asphalt mixtures. Additionally, if the plant is not operating within calibration it can lead to increased waste, increased fuel consumption, and other cost inefficiencies. This webinar will focus on the keys to keep the plant operating at peak performance and within calibration.

Takeaways:
1.) Understand plant operational indicators (scale errors, etc.) that require additional attention
2.) Learn about asphalt plant calibration and verification procedures and frequencies
3.) Learn methods to complete verification procedures as part of the asphalt plant’s standard operating procedures

Professional engineers (PEs) who register and attend the entire webinar as an individual will be awarded 1.5 Professional Development Hours (PDHs). APA/NAPA’s webinar program awards PDH credits only to the registered individual, and not to other members of a group that view the webinar together. To be eligible for the credits, individuals must remain signed in for the entire webinar, including for any question and answer session following the presentations.

APA/NAPA will report credits earned to the Registered Continuing Education Program (RCEP). Complaints about registered providers may be sent to RCEP, 1015 15th Street, NW, 8th Floor, Washington, D.C., 20005.

Road construction projects often require many activities to achieve the designed facility being constructed in specification and on time. The asphalt pavement construction portion of a project can incorporate different materials, thickness, and other geometric and material specific requirements. With these requirements and the interactions with the other operations and materials on the project, pre-planning is an important step to ensure construction is completed without errors or delays. This webinar will cover some of the important project components contractors should include in the pre-planning activities.

Takeaways:
1. Identifying the project specification and requirements for constructing asphalt pavements and understanding how those will be communicated to field production and placement staff
2. Learn methods for evaluating the jobsite layout and planning efficient methods for constructing asphalt pavements.
3. Learn the steps to establish a pre-construction plan to meet and exceed all of the project requirements.

**Please note, If you want to receive RCEP credit, you must fill out the following fields in your registration: name, address, city, state, country and zip code.**

Professional engineers (PEs) who register and attend the entire webinar as an individual will be awarded 1.5 Professional Development Hours (PDHs). APA/NAPA’s webinar program awards PDH credits only to the registered individual, and not to other members of a group that view the webinar together. To be eligible for the credits, individuals must remain signed in for the entire webinar, including for any question and answer session following the presentations.

APA/NAPA will report credits earned to the Registered Continuing Education Program (RCEP). Complaints about registered providers may be sent to RCEP, 1015 15th Street, NW, 8th Floor, Washington, D.C., 20005.

For more information and to register, please visit https://www.worldofasphalt.com/