Tag: Tunnels

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Civil Engineering Almanac – Chesapeake Bay Bridge-Tunnel opens

Reuben Hull's Civil Engineering Almanac travels back to the day when the Chesapeake Bay Bridge-Tunnel opened.

Understanding the catastrophic 2003 Chinese subway line failure

A new paper for the Journal of Performance of Constructed Facilities reviewed the causes behind the first breach failure of a cross passage being mined by an artificial ground-freezing method.

Josh Giegel, CTO of Virgin Hyperloop, talks technology and transportation

Josh Giegel, the chief technology officer of Virgin Hyperloop, chatted with Civil Engineering magazine about the technology and future implications of hyperloop travel.

Louisville combined sewer tunnel achieves major milestone

Excavation ends on the 4 mi long tunnel that will hold up to 55 million gal. of overflows.

Expert tunneling engineer and consultant on major projects dies at 83

Harvey W. Parker, a nationally renowned tunneling expert and president of a Seattle-area engineering firm bearing his name, has died. He was 83. From Washington state to Washington, D.C., Parker will be best remembered by clients and owners of high-profile, high-risk tunneling achievements for his honest advice and help with complex decisions. Parker, Ph.D., P.E., D.GE, F.ASCE, made significant civil engineering contributions for more than 55...

Technology: Remote Bridge and Tunnel Maintenance Tech Made Free Due to COVID-19

IN RESPONSE to the COVID-19 global pandemic, Dynamic Infrastructure, a start-up based in New York City, has offered free use through the end of 2020 of its bridge maintenance technology to departments of transportation and public–private partnerships. The technology uses artificial intelligence (AI) to help bridge and tunnel managers inspect and manage their assets, according to Saar Dickman, the cofounder and chief executive officer...

Alaskan Way Viaduct Replacement Named OCEA Honor Award Recipient

The new State Route 99 tunnel in Seattle is the largest, machine-bored double-deck highway corridor in the world. Tens of thousands of vehicles now drive the two-mile-long tunnel each day and pass safely under streets, bridges, utilities and 157 buildings of all sizes. Making this tunnel required an industry heavyweight. “Bertha” was 57.5 feet wide and weighed more than 8,000 tons. She was anything but...

Distinguished Member Embraces Civil Engineering’s Past, Keeps It Alive

The life of a road warrior is never easy. Business travelers spend many hours in airports, airplanes, and hotels when their careers require travel. Often travel turns into adventure, with delays, cancellations, and other unforeseen challenges which cause down time. Many people are looking for ways to use that down time more productively and with purpose. Paul Giroux, Dist.M.ASCE, is one of the talented few to manage...