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Blogs 24 jun 2024

Looppark Project: A Model of Circular Construction

The Looppark Project: the revolution in construction
The Looppark project, designed by RAU Architects, is a Luxembourg-based parking garage developed to be a modular, circular building. Using a revolutionary construction approach, Looppark’s components, from steel columns to concrete slabs, can be reassembled or reused, significantly reducing waste at the end of its initial use cycle.

The Process

To create a circular building that can be reassembled and reused, every material used in the construction process has to be registered in one place. The Looppark wanted to have a comprehensive database that allows them to organise and manage the materials inventory, as well as having a clear overview of every material used in the construction process. By making the materials quantifiable, everything becomes traceable, allowing the client to tap into the reuse and recycle potential of every material at the end of each use cycle.

Looppark and Madaster

All the materials inventory for this building was conducted via the Madaster Platform. 

Madaster is a platform that provides insights into objects’ circularity and helps generate Material Passports that show the environmental impact, residual value and circularity potential of your assets. Using Madaster helps create transparent documentation highlighting materials used, reuse and recycling potential, and end-of-life management. 

The platform also offers various visualisation tools, such as grouping materials by building layer or “shearing layers”.

(Source: PROgroup)

Looppark: A Sustainable Parking Leader

Looppark isn’t just a regular car park, it’s a champion for sustainable building. The Looppark uses clever design features like modular parts and easy-to-undo connections. This way, the building can be taken apart and its pieces can be used again in the future. A special rating system, the demountability index, helps builders choose parts and designs that are easy to take apart later. 

The Looppark makes us think about how long buildings should last and how we can design them to be more flexible. In the future, buildings could be built with this principle in mind. 

Madaster Platform: Helping Build Green

“The use of the Madaster platform in the Looppark project plays a pivotal role in calculating the project’s demountability index, ensuring material traceability, and facilitating disassembly planning at the end of the project’s life.” PROgroup and +ImpaKT Luxembourg.

Demountability Principles 

The builders carefully looked at every part of the Looppark, from the big columns to the concrete slabs on the floor, to see how easy it would be to take them apart. They also looked at how the parts were connected (see Figure 1).

Figure 1: How the Looppark Pieces Fit Together

(Source: PROgroup)

Disassembling Principles

Each part of the Looppark gets a score based on how easy it is to take apart. The score considers how the parts are connected (screwed together, glued, etc.) and how easy it is to get to the connections. Parts that are just put together without any screws or glue (like the slabs in Figure 2) and parts with simple screws get a high score because they’re easy to take apart without breaking anything. The overall score for how easy the whole building is to take apart is based on the scores of all the different parts, considering how much each part weighs.

Figure 2.
(Source: PROgroup)

Two different types of slabs show why easy-to-take-apart designs are important. One type of slab (keyed slabs) needs a special tool to take apart and only gets a score of 62%. Another type of slab (laid slabs) is designed to be easy to take apart and gets a score of 94%. This shows how clever design can make buildings much easier to take apart and reuse in the future! As a result, the Looppark was equipped with tools to make the registry and materials’ management comprehensible and measurable. 

Transform the way you manage material data of buildings and infrastructure with Madaster’s data-driven platform that tackles waste and CO2 emissions in the built environment.

Interested to learn more about Madaster and its offering? Visit our website or contact us via the contact form on the website. 

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