Seismic Ground Motions for IDOT Geotechnical Assets

Geotechnical investigations into seismic-related issues often require designers to make assumptions as to the behavior of the soils in the event of an earthquake. One assumption is the motion of the ground to which the soils are subjected. These assumptions can have wide-reaching effects, so it is important that engineers have many tools available to aid in their assumptions. The goal of this project is to determine the most appropriate ground motions at different locations in Illinois. Researchers will develop a tool for Illinois Department of Transportation (IDOT) bridge designers and geotechnical engineers that will provide site-specific ground motions. Creating more consistent site-specific seismic designs will allow IDOT to determine and justify the appropriate ground motion in a design more quickly as well as to develop high-performing and cost-effective bridge designs.

Language

• English

Project

• Status: Active
• Funding: $799,999.00
• Contract Numbers:

  R27-275

• Sponsor Organizations:

  Illinois Department of Transportation

  Bureau of Materials and Physical Research
  126 East Ash Street
  Springfield, IL  United States  62704-4766
• Managing Organizations:

  University of Illinois, Urbana-Champaign

  Illinois Center for Transportation
  1611 Titan Drive
  Rantoul, IL  United States  61866
• Performing Organizations:

  University of Illinois Urbana-Champaign

  Department of Civil and Environmental Engineering
  Urbana, IL  United States  61801
• Principal Investigators:

  Hashash, Youssef

  Olson, Scott

• Start Date: 20250816
• Expected Completion Date: 20280815
• Actual Completion Date: 0
• USDOT Program: Research and Development

Subject/Index Terms

• TRT Terms: Bridge design; Geotechnical engineering; Seismicity
• Geographic Terms: Illinois
• Subject Areas: Bridges and other structures; Design; Geotechnology; Highways;

Filing Info

• Accession Number: 01964163
• Record Type: Research project
• Source Agency: Illinois Department of Transportation
• Contract Numbers: R27-275
• Files: RIP, STATEDOT
• Created Date: Aug 28 2025 9:41AM