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Square One Shopping Centre is owned by Oxford Properties in Toronto, Canada, and was designed by MMC International Architects Ltd. The shopping centre went through a recent expansion and features a large glass and steel rotunda for its feature entrance into the new expansion. The feature glass wall is oval in plan and is 18m tall utilizing a custom splicing detail to minimize the use of steel at the connections. The fin wall was analysed and tested to ensure the connection detail behaved as predicted. This paper will visit the design of the fin wall and review the findings of the physical testing performed on the connection detail., Challenging Glass Conference Proceedings, Vol. 7 (2020): Challenging Glass 7

The remodelling of the entrance of St. David’s Hall in Cardiff features an array of translucent and partially pigmented structural glass fins with artistic lighting. The fins are composed of 2 x 10 mm toughened glass incorporating a red screen frit and acid etching. The fins are 300 mm deep and up to 5 m long, supported by a stainless steel shoe bracket at the bottom and a fork bracket in the upper zone of the fin. Only by using a stiff Ionoplast interlayer the fins could be designed to suit the load bearing capacity of the existing structure. The robustness and safety of the design was demonstrated by a series of impact tests., Challenging Glass Conference Proceedings, Vol. 2 (2010): Challenging Glass 2