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
| Oct 14, 2021
The future of mass timber construction, with Swinerton's Timberlab
In this exclusive for HorizonTV, BD+C's John Caulfield sat down with three Timberlab leaders to discuss the launch of the firm and what factors will lead to greater mass timber demand.
Multifamily Housing | Oct 12, 2021
Affordable and sublime: 13 projects that represent the future of affordable housing
These projects prove that it’s possible to develop aesthetically pleasing, high-quality housing for low-income families, the homeless, and veterans.
Building Owners | Oct 12, 2021
6 ways building owners can own their construction projects
Building owners have an important role in executing their capital projects and can greatly increase their project’s chances of success by understanding and actively managing a few key factors.
AEC Tech Innovation | Oct 7, 2021
How tech informs design: A conversation with Mancini's Christian Giordano
Mancini's growth strategy includes developing tech tools that help clients appreciate its work.
Green | Oct 6, 2021
My reaction to the UN IPCC Climate Change 2021 report: Ugh!
The recent report of the UN Intergovernmental Panel on Climate Change is not a happy read.
Sponsored | Glass and Glazing | Oct 1, 2021
Specifying Responsibly to Save Birds’ Lives
Realizing sustainable, bird-friendly glass design
Sponsored | Glass and Glazing | Oct 1, 2021
Seizing the Daylight with BIPV Glass
Glass has always been an idea generator. Now, it’s also a clean energy generator.
Architects | Sep 30, 2021
Riding the great AEC resignation wave
More people than ever are reconsidering what work and career mean. What can AEC firms do to recruit and retain workers in this changing workplace environment? Karl Feldman, Partner with Hinge Marketing, discusses ideas and strategies with BD+C's John Caulfield in this exclusive interview for HorizonTV.
Glass and Glazing | Sep 30, 2021
Plans move forward on Central Place Sydney, duel towers with an AI-driven façade system
SOM and Fender Katsalidis are designing the project.
Architects | Sep 28, 2021
Hoffmann Architects Welcomes Travis Heim as Senior Staff Architect
Hoffmann Architects, an architecture and engineering firm specializing in the rehabilitation of building exteriors, announces that Travis Heim has joined the New York office as Senior Staff Architect.
