Transformative Tunnel

by Brian Russell, P.E., Project Manager; HNTB Corp., Bellevue, WA,
Gerald Dorn, P.E., Lead Structural Engineer; HNTB Corp., Bellevue, WA,
Sean Cassady, S.E., Lead Fire Protection and Ventilation Engineer; HNTB Corp., Bellevue, WA,
Yang Jiang, P.E., Ph.D., Tunnel Liner Structural Engineer; HNTB Corp., Bellevue, WA,
Gordon Clark, P.E., Technical Director, Tunnels and Complex Underground Structures; HNTB Corp., Salt Lake City, UT,
Andrew Herten, S.E., Senior Project Engineer, Structural Construction Engineer; HNTB Corp., Bellevue, WA,
Thomas Cossette, P.E., Interior Structures Structural Engineer; HNTB Corp., Bellevue, WA,
, P.E.

Serial Information: Civil Engineering—ASCE, 2019, Vol. 89, Issue 12, Pg. 50-59


Document Type: Feature article

Abstract: The design of the new State Route 99 tunnel improves safety and mobility along Seattle's waterfront. Its design overcomes settlement and seismic challenges, incorporates a one-pass segmental liner, and includes state-of-the-art safety and ventilation features.

Subject Headings: Tunnels | Seismic design | Safety | Flood routing | Hydraulic design | Seismic tests | Linings | Ventilation | Seattle | Washington | United States

Services: Buy this book/Buy this article

 

Return to search