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railroad

Ft. Collins area trail tunnel being constructed beneath the BNSF railroad
News

Ft. Collins Hiking/Biking Tunnel Beneath BNSF Railroad

November 3, 2017 rockman Comments Off on Ft. Collins Hiking/Biking Tunnel Beneath BNSF Railroad

The City of Fort Collins (Colorado) recently completed construction of a tunnel underneath BNSF Railway tracks to connect more than 30 miles of trails.  The prospect of tunneling under an active rail line is a […]

Sinkhole repair in Colorado on US 24 by Hayward Baker
Failures

Hayward Baker’s Emergency Sinkhole Repair, US 24, Colorado

August 2, 2012 rockman Comments Off on Hayward Baker’s Emergency Sinkhole Repair, US 24, Colorado

Hayward Baker has been working 18-hour days for Colorado DOT to repair a sinkhole on US 24 caused by an abandoned railroad tunnel. The link below takes you to a photo gallery on Hayward Baker’s […]

Bridge
Standards and Codes

UK railroad engineers now designing with Eurocodes

August 8, 2011 rockman Comments Off on UK railroad engineers now designing with Eurocodes

UK structural and geotechnical engineers have long used the British Standard codes for design of railroad bridges. Those days are now gone as all rail structures are required to use the Eurocode. This article is […]

Geofoam EPS blocks at the campus of Versa-Tech for the Tucker Tunnel project in St. Louis
Project Related

Backfilling the 1931 Tucker Tunnel in St. Louis with Geotechnical Fill, Geofoam Blocks

October 28, 2010 rockman Comments Off on Backfilling the 1931 Tucker Tunnel in St. Louis with Geotechnical Fill, Geofoam Blocks

Constructed in 1931 by the Illinois Terminal Railroad, the Tucker Tunnel is located underneath Terminal Boulevard in downtown St. Louis. Over the years, the tunnel condition has deteriorated and the concern is that the failure […]

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