Two highway bridges under construction in Japan’s largest island of Honshu reveal some of the varied and sophisticated design and construction methodologies exacted by their wild and rugged surroundings. José María Sánchez de Muniáin writes
Mitigating damage caused by unseating during the strongest earthquakes is one of the motivating factors behind a recent seismic retrofit in Japan. Khalifa Bokhammas reports
Researchers at the University of Canterbury (UC) in New Zealand have developed a design of bridge that they claim would yield little to no damage if hit by a strong earthquake.
Seven bridges are to be given seismic upgrades as part of a resiliency plan spearheaded by the US state of Oregon.
Asking readers to name the innovation that they believed had had the most impact on the bridge industry in the last 25 years was always going to lead to a variety of responses — but there was a clear winner.
Crews working for Utah Department of Transportation in the USA have completed inspections of 520 bridges in the zone affected by an earthquake last week.
Researchers from the University of Technology Sydney in Australia have developed an application using ground anchors to protect bridges against earthquakes.
With the two caissons for the main towers successfully lowered into place on the seabed in May this year, the consortium responsible for designing and building what will be the world’s longest suspension bridge is now focussed on progressing the substructure and tower construction in the months ahead. Helena Russell reports
The next phase is getting under way this month of structural and seismic upgrades to the seven-span Granville Bridge in Vancouver, Canada.
The Indonesian government has secured grant aid of up to US$23 million for a programme to reconstruct bridges in Central Sulawesi Province.
The US state of Oklahoma is introducing a new system that will help bridge engineers carry out safety checks following an earthquake.
The Department of Public Works & Highways (DPWH) in the Philippines has said that US$90 million is to be invested upgrading two key bridges in Metro Manila.
The US state of Oklahoma has appointed Infrastructure Engineers to help formulate an earthquake policy.
Researchers at Washington University in Seattle in the USA have developed a new design for the framework of columns and beams that support bridges.
The new suspension bridge being built across Izmit Bay in Turkey is progressing rapidly, report Yasutsugu Yamasaki, Naoki Ikoma, Mitsuhiro Kudo, Ali Nebil Ozturk and Fatih Zeybek
Installation has been completed of the saddle system designed to replace broken bolts at one of the piers of the new Bay Bridge in California, USA.
One of the engineers developing earthquake-resistant designs for New Zealand bridges has said that Christchurch could switch from being known as the garden city to the city of bridges.
