TRB Webinar: Rockfall – Characterization and Analysis

TRB conducted a webinar on April 24, 2014, from 1:00pm to 3:00pm ET that explored current topics on rockfall characterization. This webinar was the first of a two-part series highlighting rockfall mitigation. In addition to providing substantive technical content on the topic, the webinars were intended to bring attention to the 2013 Transportation Research Board publication Rockfall: Characterization and Control. The second webinar in the series, "Rockfall - Mitigation and Management," was held on April 30, 2014. A certificate for two Professional Development Hours (PDHs) was provided to attendees who registered and attended the webinar as an individual. Contact Reggie Gillum at RGillum@nas.edu for instructions on receiving a copy of the recorded webinar.


Webinar Presenters

• John Duffy, California Department of Transportation
• Norm Norrish, Wyllie & Norrish Rock Engineers
• Rick Andrew, Yeh and Associates

Moderated by: John Duffy, California Department of Transportation


Webinar Outline

• PART 1: Introduction
• PART 2: Site characterization
• PART 3: Monitoring   
• PART 4: Empirical analysis   
• PART 5: Mathematical modeling   
• PART 6: Question and answer session

The first 90 minutes of the webinar will be for presentations and the final 30 minutes will be reserved for audience questions.


Learning Objectives
At the end of this webinar, participants will be able to:

• Discuss effective site characterization for rockfall hazards;
• Identify the merits and limitations of rockfall modeling; and
• Describe the components of successful field studies of rockfall trajectories.

To ensure that you receive notices about upcoming webinars, please subscribe to the TRB Transportation Research E-Newsletter.


Registration Information
There is no fee for employees of TRB Sponsors or TRB Sustaining Affiliates who register using their work email address. In addition to employees of TRB sponsor organizations, the following are eligible to receive complimentary webinar registration:

• TRB and National Academies employees;
• Chairs of TRB standing committees, sections, or groups;
• CRP panel members who were involved with developing the report or project that is the subject of the webinar;
• Members of the media;
• Employees of tribal governments; and
• Members of Congress or their staff.

Other sites must pay $89 per site. View our pricing page for details.

After registering you will receive a confirmation email containing information about joining the webinar.


Professional Development Hour Information
A certificate for two Professional Development Hours (PDHs) will be provided to Professional Engineers (PEs) who register and attend the webinar as an individual. For groups, only the person that registers and attends the session will receive a PDH certificate.

Individuals registered as Florida PEs are required to email Reggie Gillum, RGillum@nas.edu, with their license number.

Please check with your licensing board to ensure that TRB webinar PDHs are approved by your board.

This webinar was developed in January 2014. TRB has met the standards and requirements of the Registered Continuing Education Program (RCEP). Credit earned on completion of this program will be reported to RCEP by TRB. Certificates of Completion will be issued to individuals who register for and attend the entire webinar session. Complaints about registered providers may be sent to RCEP, PO Box 1686, Clemson, SC, 29633. Website: www.RCEP.net.


Registration questions? Contact Reggie Gillum at RGillum@nas.edu.