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
Architects | Jan 8, 2018
Catherine Selby joins Dattner Architects’ partners group
Selby joins Principals Paul Bauer AIA; Richard Dattner FAIA; Jeff Dugan AIA; Beth Greenberg AIA; Daniel Heuberger AIA, LEED AP; Kirsten Sibilia Assoc. AIA; William Stein FAIA; and John Woelfling AIA, LEED AP in leading the 115-person firm.
Big Data | Jan 5, 2018
In the age of data-driven design, has POE’s time finally come?
At a time when research- and data-based methods are playing a larger role in architecture, there remains a surprisingly scant amount of post-occupancy research. But that’s starting to change.
Multifamily Housing | Jan 4, 2018
Shigeru Ban’s mass timber tower in Vancouver gets city approval
The 232-foot-tall Terrace House luxury condo development will be the tallest hybrid wood structure in North America.
Architects | Jan 4, 2018
Integrated design for children and housing
Homelessness is an issue affecting millions around the globe.
Sponsored | | Jan 3, 2018
4 networking strategies to grow your business
Follow these networking strategies to grow your architectural business with the work that you want.
BD+C University Course | Jan 2, 2018
The art and science of rendering: Visualization that sells architecture [AIA course]
3D artist Ramy Hanna offers guidelines and tricks-of-the-trade to ensure that project artwork is a stunning depiction of the unbuilt space.
Green | Dec 22, 2017
Green builders can use ‘big data’ to make design decisions
More and more, green project teams are relying on publicly available “external datasets” to prioritize sustainable design decisions, says sustainability consultant Adele Houghton.
Reconstruction & Renovation | Dec 21, 2017
Interactive map includes detailed information on historic New York City buildings
The New York City Landmarks Preservation Commission launched a new, enhanced version of its interactive map, Discover NYC Landmarks.
High-rise Construction | Dec 20, 2017
Another record year for high-rise construction
More than 140 skyscrapers were completed across the globe this year, including 15 supertall towers.
Game Changers | Dec 20, 2017
Urban farms can help plant seeds for cities’ growth around them
Urban farms have been impacting cities’ agribusiness—and, on some cases, their redevelopment—for decades.
