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Video: Bertha is more damaged than originally thought

ASCE SmartBrief | May 21, 2015

Bertha, the plagued tunnel-boring machine at the Alaskan Way Viaduct replacement project in Seattle, has been dismantled and has revealed more damage than was expected. Grit made its way into the rubber bearing seals, steel casings around the seals broke apart, and pinion gears and the teeth that spin the drill were cracked. Tunneling at the $1.35 billion project was to restart in August, but that looks unlikely now. KING-TV (Seattle) (05/18) The Seattle Times (05/19) SeattlePI.com (05/18)


Photos: 22,000 sheets of paper are used to construct bridge

ASCE SmartBrief | May 21, 2015

Drone's view of Tesla Gigafactory's pilot plant under construction

ASCE SmartBrief | May 20, 2015

Video, photos: San Francisco's concrete subway tunnels

ASCE SmartBrief | May 20, 2015

Deal is reached to begin construction on prototype hyperloop

ASCE SmartBrief | May 21, 2015

Skyscrapers could replace parking garages in Boston -- for $4B

ASCE SmartBrief | May 20, 2015

Aqueduct of antiquity worked for 2,000 years in Jerusalem

ASCE SmartBrief | May 26, 2015

Caltrans: 99% of steel anchoring rods in Bay Bridge appear fine

ASCE SmartBrief | May 21, 2015

Photos: One World Trade Center has world's fastest elevators

ASCE SmartBrief | May 26, 2015

Photos: Deck is complete at Conn. bridge

ASCE SmartBrief | May 26, 2015


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Civil Engineering online exclusive: Researchers Develop Improved Tunnel Fire Protection

ASCE SmartBrief | May 26, 2015

Meet ASCE's class of 2015, our 13 newest Distinguished Members

ASCE SmartBrief | May 26, 2015

Civil Engineering online exclusive: Project Adds Key Toll Lanes in Austin, Texas

ASCE SmartBrief | May 22, 2015

Admire a peer's ethics? Nominate him or her for ASCE's award by June 1

ASCE SmartBrief | May 22, 2015

Ensure pedestrian safety at intersections with ASCE's new on-demand seminar

ASCE SmartBrief | May 21, 2015




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