Reinforced Concrete: The Latest Architecture and News

Gustav Düsing and FAKT have just won the competition to design an adaptive reuse project in Siegen, Germany. Following Gustav Düsing’s recent win of the EU Mies Award 2024, the NAS project was developed through a comprehensive participatory process involving students, faculty, staff, and community members. The New Architecture School (NAS) is an adaptive reuse proposal transforming the former printing facility into a new type of central campus. Aspiring to act as a dynamic urban entity, the design combines academic pursuits with cultural and public spaces.

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The 1940s architectural marvel Casa Sobre el Arroyo has been awarded the 2024 Worlds Monuments Fund/Knoll Modernism Prize for its outstanding restoration. Initially designed in 1943 by architects Amancio Williams and Delfina Galvez Bunge de Williams, this “house on the bridge” symbolizes Argentina’s modernist movement. The project is the first winner of the prestigious Modernism prize in the Global South, now standing as a museum for the protection of Argentina’s modern heritage.

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Cracks, which could be classified according to their thickness as fissures or fractures, are serious problems in the construction industry that can negatively affect aesthetics, durability and, most importantly, the structural characteristics of a project. They can happen anywhere, but occur especially in walls, beams, columns, and slabs, and usually, are caused by strains not considered in the design.

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The use of concrete in construction is probably one of the main trademarks of 20th century architecture. Concrete is composed of a combination of materials which when mixed with water solidify into the shape of the container where it is poured in. In this sense, it is the container or the ‘moulds’ who rule the outcome. The reuse of molds for casting concrete is a technique used to replicate and control the production of concrete elements or buildings. Architects and designers have used/created diverse types of molds and casting techniques to explore the limits of the material.

Complex designs often require bulky structural systems to support imaginative forms. But 3D printing technology has begun to provide unlimited architectural potential without compromising design or structural durability. Researchers at ETH Zurich, under the leadership of Benjamin Dillenburger, have now developed an innovative 3D sand printing technique that allows for quick molding and material reuse.

They have used this technique to create a formwork to fabricate an 80 square meter lightweight concrete slab at the DFAB House, the first and largest construction of its kind. The “Smart Slab,” which carries a two-story timber unit above it, merges the structural durability and strength of concrete with the design liberation of 3D printing.

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