Montreal-based MAADI Group recently designed a 151-foot-long, 6½-foot-wide pedestrian work bridge to connect platforms in the West Philippine Sea. Using high-strength aluminum for the bridge’s material, MAADI designed the bridge with lateral movement capability that could withstand deep-ocean movement and wind gusts up to 200 km/hr (124 mph).
MAADI’s President/CEO, Alexandre de la Chevrotière, says that water and wind movements can cause the platforms to shift by as much as one inch, so the bridge was engineered to account for movement up to one meter. A trolley system at one end of the bridge allows slight back-and-forth movements of the bridge between the platforms.
The span was built in four sections. Its abutments are unique, according to de la Chevrotière, in that their pin connections rotate on two axes. There’s also a pin connection at the top of the trolley, which allows the bridge to move in several different directions by as much as three degrees to account for ocean movements, he says.
The 13-ton bridge was built to accommodate up to 80 workers on deck. (The accompanying image shows 8.4 tons of water being used to test the span’s load capacity.) The bridge’s camber was designed to reduce the deflection caused by dead and live loads.
“Aluminum is the material of the future,” says de la Chevrotière. “It doesn’t rust and it’s maintenance free.”
Read about more innovations from BD+C's 2014 Great Solutions Report.
Related Stories
| Jun 14, 2012
A. Eugene Kohn Watercolor Exhibition a showcase of KPF artwork in NYC
Kohn's watercolors have previously been displayed at the Guggenheim Museum in a show for the works of well-known architects.
| Jun 14, 2012
Gilbane names two new executive vice presidents
Dennis Cornick and Thomas Laird join Gilbane's executive team, expanding the company's leadership to drive business goals.
| Jun 14, 2012
Viscardi joins LEO A DALY as VP, corporate director of aviation programs
Viscardi will be responsible for providing the vision and strategy for growing the firm’s aviation practice, identifying and establishing new clients, as well as maintaining existing client relationships.
| Jun 14, 2012
Sustainability consultant’s keynote highlights the evolution of LEED green building in Spain
Sustainability planning, green building and water efficiency consultant, Jerry Yudelson keynoted the celebration of Spain’s first LEED Platinum Municipal Green Building.
| Jun 13, 2012
Thornton Tomasetti founding principals receive CTBUH Fazlur R. Khan Lifetime Achievement Medal
This is the first time the CTBUH Board of Trustees has awarded the prize to two individuals jointly.
| Jun 13, 2012
Free webinar on Designing and Building Green Schools scheduled for June 20
USGBC Center for Green Schools and other experts to present practical tips.
| Jun 13, 2012
GAF’s Roving Truck promotion coming to your town soon
Professional roofing contractors or builders/remodelers in the U.S. can enter to win a Ford F-150 truck.
| Jun 13, 2012
Is it time to stop building convention centers?
Over the last 20 years, convention space in the United States has increased by 50%; since 2005, 44 new convention spaces have been planned or constructed in this country alone.
| Jun 13, 2012
Steven L. Newman Real Estate Institute to hold energy asset conference for property owners, senior real estate managers
Top-level real estate professionals have been ignored as the industry has pushed to get sustainability measures in place.
| Jun 12, 2012
SAC Federal Credit Union selects LEO A DALY to design corporate headquarters
LEO A DALY also provided site selection, programming and master planning services for the project over the past year.
