2013 Session: 431

• Overcoming an Environmental Surprise with Innovative, Fast-Track Technology: Case History Along I-69 Through Tennessee
  Abstract: As Tennessee DOT was finalizing the route of the future I-69 through northwest Tennessee, a previously unknown, unregulated landfill was discovered directly beneath the proposed route near its juncture with a continuing segment into Kentucky. Tennessee DOT, cooperating with Tennessee Department of Environment and Conservation, implemented a rapid-response, technology-driven strategy to assess the costs and liabilities of crossing the landfill versus avoiding it. Following a concerted site-history investigation, an electromagnetic geophysical survey mapped the landfill boundaries, established the area of fill, and identified areas of waste segregation within the fill. A concurrent soil gas survey showed only isolated patterns of volatile organic compounds, often a driver for environmental mitigation costs. These results optimized locations for subsurface drilling, which deployed the waste-minimizing sonic technique. Drilling established the depth of fill across the site, which, combined with the geophysical delineation of lateral extent, yielded a waste-volume estimate of 65,000 m3 (85,000 yd3) within the proposed I-69 footprint. Chemical analyses were done for subsurface sonic soil cores, surface soil samples, the contents of drums scattered across the surface, and surface water. These analyses showed relatively modest environmental risks, suggesting that if the landfill were excavated, most of the soil could be handled as nontoxic special waste. Nevertheless, considering both design-build factors and environmental issues, the cost of excavating and building through the landfill ($33.5 million) exceeded that of rerouting slightly east of the landfill ($29.5 million). The route was diverted to avoid the landfill.
  Authors: Hughes, Larry J.; Epperson, Ann; Williams, Tammy Keim
  Authors: Hughes, Larry J.; Epperson, Ann; Williams, Tammy Keim
  Year: 2013
  Document Type: Paper
  Subject: Data and Information Technology; Geotechnology; Deploying Transportation Research-Doing Things Smarter, Better, Faster
  Session: 431
  Paper Number: 13-2182
  Practice-Ready: Yes
• Overcoming an Environmental Surprise with Innovative, Fast-Track Technology: Case History Along I-69 Through Tennessee
  Authors: Hughes, Larry
  Authors: Hughes, Larry
  Year: 2013
  Document Type: Presentation
  Subject: Data and Information Technology; Geotechnology; Deploying Transportation Research-Doing Things Smarter, Better, Faster
  Session: 431
  Paper Number: 13-2182
• How Implementing Data Management Concepts Allowed Projects to Be Completed Smarter, Better, and Faster
  Authors: Rosen, Jamey
  Authors: Rosen, Jamey
  Year: 2013
  Document Type: Presentation
  Subject: Data and Information Technology; Geotechnology; Deploying Transportation Research-Doing Things Smarter, Better, Faster
  Session: 431
  Paper Number: P13-5477
• Rockfall Monitoring with Imaging by Interferometric Survey Landslides System on I-70 at Glenwood Canyon
  Authors: Olson, Larry
  Authors: Olson, Larry
  Year: 2013
  Document Type: Presentation
  Subject: Data and Information Technology; Geotechnology; Deploying Transportation Research-Doing Things Smarter, Better, Faster
  Session: 431
  Paper Number: P13-5475
• Karst Terrain and Bedrock Exploration Using Complementary Geophysical Techniques: Ohio River Bridges Twin Tunnel Project
  Authors: Hon, Kevin
  Authors: Hon, Kevin
  Year: 2013
  Document Type: Presentation
  Subject: Data and Information Technology; Geotechnology; Deploying Transportation Research-Doing Things Smarter, Better, Faster
  Session: 431
  Paper Number: P13-5474
• Reconnaissance-Level Terrestrial Photogrammetry of Rock Slope over 100 ft High
  Authors: Keaton, Jeffrey
  Authors: Keaton, Jeffrey
  Year: 2013
  Document Type: Presentation
  Subject: Data and Information Technology; Geotechnology; Deploying Transportation Research-Doing Things Smarter, Better, Faster
  Session: 431
  Paper Number: P13-5476