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This webinar was sponsored by ASCE's Transportation and Development Institute (T&DI) , Environmental and Water Resources Institute (EWRI) and ASCE Continuing Education
Instructor: David K. Hein, P.Eng
Course Length: 1.5 Hours
Purpose and Background
The design of permeable pavements differs from other traditional pavement systems in that both structural and hydrologic considerations impact the system depth, one of three different infiltration approaches can be used based on site and subgrade conditions, and unique elements are included over sloped subgrades.
New to the ASCE standard is structural design for supporting traffic by using a mechanistic-empirical model that was developed through full-scale accelerated testing research completed at the University of California Davis Pavement Research Center. The impact of pavement loading is modelled using the pavement layer and subgrade stiffness under dry and wet conditions to determine when a user specified rut depth results from traffic loading.
This webinar outlines technical advances in permeable interlocking concrete pavement (PICP) design introduced in the newly created American Society of Civil Engineers (ASCE) standard. This webinar discusses the dichotomy between not compacting the soil subgrade for infiltration, and compacting for enhanced structural support in saturated conditions. Guide construction specifications, construction and maintenance guidelines are provided via checklists.
Primary Discussion Topics
- Mechanistic-empirical pavement structural design
- Project suitability
- Structural and hydrologic design
- Key design considerations
- Water quality benefits
- Construction steps
- Maintenance guidelines
Learning Outcomes
Upon completion of this course, you will be able to:
- Identify methods to cost-effectively design, construct and maintain flexible pavements
- Determine structural and hydrologic design
- Recognize key design and construction features to ensure success
- Plan effective maintenance and rehabilitation treatments
- Optimize water quantity management and quality benefits
Webinar Benefits
- Learn about flexible pavement design, construction and maintenance needs
- Recognize key design features needed to build long-life PICP pavements
- Understand structural and hydrologic design
- Learn what to look for during construction to ensure high quality
- Understand the importance of timely maintenance
- Specifications for permeable pavements
Assessment of Learning Outcomes
Students' achievement of the learning outcomes will be assessed via a short post-assessment (true-false, multiple choice and fill in the blank questions).
Intended Audience
- Civil engineers and architects responsible for the design, construction, maintenance and rehabilitation of permeable pavements
- Stormwater professionals
- Agencies and other owners of highway, municipal and private sector pavement infrastructure
- Pavement material suppliers and contractors
- Operations personnel responsible for the maintenance and rehabilitation of pavements
Webinar Outline
- Overview of structural and hydrologic design
- Key design features that impact performance
- Basics for subgrade, base/subbase and surface construction
- Key construction steps and features
- Key indicators to ensure timely maintenance and rehabilitation
How to Earn your CEUs/PDHs and Receive Your Certificate of Completion
To receive your certificate of completion, you will need to complete a short on-line post-test and receive a passing score of 70% or higher within 1 year of purchasing the course.
How do I convert CEUs to PDHs?
1.0 CEU = 10 PDHs [Example: 0.1 CEU = 1 PDH]