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STRUCTURAL ELEMENTS, GROUNDWORKS


47


Innovative Ancon rebar connectors used in iconic Russian skyscraper


nnovative and quick-to-install reinforcing bar couplers from Ancon replace time- consuming lapped joints and minimise reinforcement congestion in the gigantic concrete superstructure of Europe’s tallest building; the 87-floor, 462m high helicoidal Lakhta Tower in St. Petersburg. The use of Ancon’s high-performance mechanical rebar coupling systems also helped maintain build quality. By eliminating lapped joints and hooked bar ends, Ancon’s couplers and headed anchors allowed the wet concrete to flow more effectively through the reinforcement grid during casting. 125,000 couplers, a combination of Ancon


I


CXL threaded and MBT bolted systems, are installed in the tower’s immense 3.6m thick concrete foundation raft, where 32mm diameter reinforcement is arranged in


15 layers. The raft’s construction registered as the Guinness World Record’s largest-ever continuous concrete pour at the time. In the central cylindrical reinforced concrete core of the tower, the innovative Ancon CXL Type B Couplers were used which are rotated from one bar to the next to form the connection; ideal where rotating long, heavy rebars into couplers would prove difficult.


Continuity of reinforcement between


the concrete floor slabs and the central core is achieved through rows of Ancon KSN threaded anchors and Ancon CXL Coupler Boxes. Both continuity systems enabled simple plain-faced formwork to be adopted throughout the build. Contact Ancon to discuss the specific requirements of your next reinforced concrete


Photo courtesy of Inforceproject


installation or visit the company’s website to review the available product range and major project portfolio.


0114 275 5224 www.ancon.co.uk


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adf 25 years of excellence in the UK


Construction connector manufacturer Simpson Strong-Tie is celebrating 25 years in the UK, helping people build safer, stronger homes and structures. Simpson launched its European operations from well-established beginnings in America, where founder Barclay Simpson created his first joist hanger back in 1956. In 1998 a purpose-built manufacturing facility and head office opened in Tamworth, and subsequent acquisitions in the UK, Germany, France and Denmark have established Simpson as a European industry leader. In 2009 Simpsons’ UKAS accredited European Testing Laboratory opened, which now conducts over 10,000 product tests annually. Managing Director Malcolm Paulson says: “We believe that if we invest in our people our customers will reap the benefits. In my 14 years in role, I’ve seen the business grow and flourish.”


01827 255 600 www.strongtie.co.uk ARCHITECTSDATAFILE.CO.UK/ADF-DIGI ADF MAY 2019 WWW.ARCHITECTSDATAFILE.CO.UK


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