Competition winner
Gottlieb Paludan architects won the architectural competition with their design of a new footbridge at the Technical University of Denmark (DTU) Lyngby Campus in 2020. KI has since joined the project as the main structural engineer. This project has emerged in response to the construction of the Capital Region's Light Rail through DTU Lyngby Campus, leading to the removal of a stairway access and necessitating a new connection for the campus community.
Engineering aesthetic harmony with functionality
The footbridge, designed to blend seamlessly with DTU's architectural language and character, is an example of functional and aesthetic engineering. Throughout the design phase, preserving the beautiful old trees was a top priority and big effort was put in to not damaging them unnecessarily. The bridge's main load-bearing structure comprises two Steel box girders connected by a box deck elegantly spanning from the ground near the Matematiktorvet to the parking area across Asmussens Allé.
Simple design means complicated structure
The bridge's design speaks volumes about our commitment to both aesthetics and functionality. With its column-free construction, the bridge not only avoids interference with delivery truck routes but also presents a sleek, unobstructed pathway for pedestrians and cyclists. This design choice, while elevating the visual appeal, presented us with intricate structural challenges which we navigated through innovative engineering solutions.
Enhancing comfort through advanced engineering
To ensure the bridge's comfort and safety, we employed the sophisticated geotechnical design software OPTUM G3 to estimate foundation stiffness, conducting numerous studies to confirm the structure's stability and comfort. The foundation is meticulously designed to be stiff, minimizing human induced vibrations, thus providing a seamless transit experience.
Parametric design
Our design process utilized a parametric model, which was instrumental in exploring a wide array of designs swiftly. This approach allowed for a dynamic and collaborative process with the architects, streamlining the project's progression. At KI, we excel in parametric design; our expertise in this area ensured that the bridge not only met but exceeded the design and functionality standards.
Efficient construction within tight deadlines
Given the limited timeframe aligned with the light rail's construction schedule, the bridge was engineered for rapid assembly. This required precision and efficiency in every aspect of its design and construction process, demonstrating our ability to deliver high-quality projects within stringent time constraints.
We have had the pleasure to work together with Per Aarsleff, responsible for the ground and concrete works, as well as DanPro, who handles the manufacturing, assembly, and erection of the bridge.
The bridge was completed in September 2024.