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
Museums | Jun 6, 2023
New wing of Natural History Museums of Los Angeles to be a destination and portal
NHM Commons, a new wing and community hub under construction at The Natural History Museums (NHM) of Los Angeles County, was designed to be both a destination and a portal into the building and to the surrounding grounds.
Performing Arts Centers | Jun 6, 2023
Mumbai, India’s new Nita Mukesh Ambani Cultural Centre has three performing arts venues
In Mumbai, India, the recently completed Nita Mukesh Ambani Cultural Centre (NMACC) will showcase music, theater, and fine arts from India and from across the globe. Atlanta’s TVS Design served as the principal architect and interior designer of both the cultural center and the larger, adjacent Jio World Centre.
Architects | Jun 6, 2023
Taking storytelling to a new level in building design, with Gensler's Bob Weis and Andy Cohen
Bob Weis, formerly the head of Disney Imagineering, was recently hired by Gensler as its Global Immersive Experience Design Leader. He joins the firm's co-CEO Andy Cohen to discuss how Gensler will focus on storytelling to connect people to its projects.
Codes and Standards | Jun 6, 2023
California’s new power grid modernization plan furthers ambitious climate goals
California’s new $7.3 billion grid modernization plan is a crucial step in furthering its ambitious climate goals. The board of governors for the California Independent System Operator (CAISO), the state’s grid operator, recently approved a strategy to build thousands of miles of new high-voltage transmission lines.
Mixed-Use | Jun 6, 2023
Public-private partnerships crucial to central business district revitalization
Central Business Districts are under pressure to keep themselves relevant as they face competition from new, vibrant mixed-use neighborhoods emerging across the world’s largest cities.
Multifamily Housing | Jun 6, 2023
Minnesota expected to adopt building code that would cut energy use by 80%
Minnesota Gov. Tim Walz is expected to soon sign a bill that would change the state’s commercial building code so that new structures would use 80% less energy when compared to a 2004 baseline standard. The legislation aims for full implementation of the new code by 2036.
Healthcare Facilities | Jun 5, 2023
Modernizing mental health care in emergency departments: Improving patient outcomes
In today’s mental health crisis, there is a widespread shortage of beds to handle certain populations. Patients may languish in the ED for hours or days before they can be linked to an appropriate inpatient program.
Student Housing | Jun 5, 2023
The power of student engagement: How on-campus student housing can increase enrollment
Studies have confirmed that students are more likely to graduate when they live on campus, particularly when the on-campus experience encourages student learning and engagement, writes Design Collaborative's Nathan Woods, AIA.
Engineers | Jun 5, 2023
How to properly assess structural wind damage
Properly assessing wind damage can identify vulnerabilities in a building's design or construction, which could lead to future damage or loss, writes Matt Wagner, SE, Principal and Managing Director with Walter P Moore.
Cladding and Facade Systems | Jun 5, 2023
27 important questions about façade leakage
Walter P Moore’s Darek Brandt discusses the key questions building owners and property managers should be asking to determine the health of their building's façade.
