The University of Toronto is assembling a world-first research platform that will redefine how engineers test and understand the behaviour of large-scale structures. The Adjustable Multidimensional (AMD) Loading Module, now being installed in the Structural Testing Facilities (STF), will enable researchers to apply realistic, multi-directional loading conditions to full-scale structural systems, helping advance the safety, resilience and sustainability of future infrastructure.
An adjustable testing frame capable of applying multidirectional loads to large-scale structural specimens has arrived on campus.
Unlike conventional testing systems that typically apply loads in a single direction, the AMD can reproduce the complex combinations of forces experienced by real structures during earthquakes, extreme weather events, heavy traffic loading, construction activities and long-term service conditions. This capability allows researchers to study structural performance under realistic conditions with an unprecedented level of accuracy.
The system will support research on concrete, steel, timber and composite structures, accelerating innovation in resilient buildings, bridges, transportation systems and emerging construction technologies.
The outer framework of the AMD was assembled in August, and remains ongoing, with the remaining components due to be installed and commissioned by December 2026. This massive device is being installed within the Department of Civil & Mineral’s (CivMin) indoor three-storey Structural Testing Facilities (STF) inside of Galbraith Building.
Just how special and powerful is this new equipment? It can apply loads of up to 16 MegaNewtons, the equivalent weight of over 800 SUVs.
The enormous, and unique, piece of testing equipment will be used to test full-scale structural systems by pushing structural components to their limits, for researchers to better understand how and when failure occurs, validate advanced computational models, support the development of new design standards and improve confidence in innovative construction materials and methods..
The AMD is believed to be the first testing platform of its kind capable of delivering programmable six-degree-of-freedom loading across such a large testing envelope while accommodating specimens ranging from half a metre to nearly eight metres tall. Its unique reconfigurable architecture allows researchers to adapt the setup for a wide range of structural systems, making it one of the most versatile structural testing platforms in the world.
The first week of August saw four consecutive early mornings greeting the arrival of a super-load piece of equipment. Each day marking the installation of single leg of the new AMD to the STF. The installation of the equipment will continue throughout September and into October, with final commissioning expected in December.
Though the project is currently under wraps, with coverings over the viewing windows in Galbraith Building, we created a time-lapse video to show the progress so far.
The previous article from 2023 showcases an animation of the AMD’s capabilities.
Projected timeline
- August:
Stage 1 assembly of the AMD frame (outer frame and crossbeams and crosshead). COMPLETED. - September:
Delivery and installation of the platen (three-piece assembly).
Delivery of the remaining actuators from the U.K.
Field welding and inspection activities continue.
Concrete infill of the jumbo columns. - October:
AMD frame painted in U of T blue (Pantone 655, if you must know).
Actuator assembly and preparation for installation. - November:
Installation and assembly of the actuators within the AMD frame. - December:
Final commissioning and bringing the system into operation.
By the numbers
- Structural Capacity
16 MN (1,600 tonnes) vertical loading capacity
4 MN (400 tonnes) horizontal loading capacity
Six-degree-of-freedom loading capability
Static, dynamic and hybrid testing modes - Testing Envelope
Specimens up to 27 m long
Specimens up to 7.5 m high - Adjustable testing stations in both vertical and horizontal directions
- Reaction Strong Floor
168 m² of new strong-floor space
336 m³ of reinforced concrete
More than 90 tonnes of reinforcing steel
48 anchor points
100-tonne capacity per anchor point - AMD Dimensions
6.0 m × 6.8 m footprint - 8.6 m overall height