Thanks in part to the invention of the elevator by Elisha Otis in 1852, the ability to construct buildings higher and higher became more possible. Without Otis’s innovation over a century and a half ago, the rise in popularity for tall structures may have been delayed. The innovation was inevitable, but the reality brought about an evolution in construction. Taken from ‘High-rises – the importance of a solid foundation’, by Gary Penk, Kryton International, London, UK.
A new skyscraper is currently under construction in the heart of New York. 432 Park Avenue will become the tallest residential building in the western hemisphere. Construction began in September 2011 and is scheduled for completion in 2016. Building contractor Roger & Sons Concrete used Doka’s formwork technology expertise for the building core as well as the façade of the high-rise project. Taken from ‘High above the clouds’, by Wolfgang Pessl, Doka, Amstetten, Austria.
With its minarets gracing the skyline of Midrand in Gauteng, South Africa, the Nizamiye Masjid, as the Turkish mosque is known, is the largest such building and also the only true example of Ottoman architecture in the southern hemisphere. When pouring the concrete for the main dome, 32m high and 24m wide, the largest mobile pump in South Africa at the time completed a 20-hour non-stop pour. Taken from ‘Nizamiye Masjid (Turkish mosque) – construction of a unique kind’.
Flooring contractors working on the new Brooklyn Navy Yard Museum used a self-levelling floor topping, without added pigments or stains to provide a natural look. Taken from ‘In the Navy’, by Matt Sambol, CTS Cement Manufacturing Corporation, Cypress, CA, USA.
Close to the exhibition centre of Frankfurt, a unique ‘green’ building has been constructed – the LEO. Formerly known as Poseidon House, the complex consisted of two rows of buildings facing each other. The site has now been refurbished into office and administration buildings. Glass-fibre-reinforced concrete (GRC) cladding has been used for the façades, replacing the original aluminium panels. Taken from ‘Cladding LEO in GRC’.
Since its unveiling in 2006, light-transmitting concrete has been a popular yet cost-prohibitive technology. The material combines the compactness of concrete with the ease of light transmission. During daytime, it is an elegant natural stone cladding which, beginning with twilight, surprises with light emitting from the material. Taken from ‘Light transmitting concrete façade, Berlin, Germany’, by Andreas Roye, LUCEM, Stolberg, Germany.
Insulated concrete formwork (ICF) was the chosen building envelope method for the construction of an English inspired, cathedral-sized church in Tallahassee, Florida as it solved structural, thermal, and acoustical concerns in one product. Taken from ‘English-inspired church built in ICF’, by Jean-Marc Bouvier, Nudura, Sussex, UK.
TailorCrete is a four-year-long collaborative EU-funded research project aimed at integrating robotics and automation processes into the concrete construction industry. The mission is to enable the cost-effective construction of complex concrete forms. The TailorCrete project aims to transform the European construction sector from a material-driven industry to a knowledge-driven one.
Compact reinforced composite (CRC) is the designation of a special type of ultra-high-performance fibre-reinforced concrete (UHPFRC) combining high-strength, steel-fibre reinforcement and closely spaced reinforcing bars. CRC was developed at the cement manufacturer Aalborg Portland in Denmark in 1986 and has been used in structural applications since 1995. Taken from ‘Engineering challenges in international application of UHPFRC’, by Tommy Bæk Hansen and Bendt Aarup, Hi-Con, Hjallerup…