Category Archives: Arch structures

Happy Birthday, Sydney Opera House

Posted on 20/10/2023 by dougaj4

The book “Developments in Structural Form” by Rowland Mainstone is a history of the development of structural design over thousands of years. The very first 20th Century building structure appearing in that book is the Sydney Opera House, which was … Continue reading →

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Lost Sydney

Posted on 17/12/2020 by dougaj4

Lost Sydney is a Facebook site with 100’s of photographs of Sydney, some dating back well over 100 years. This is Sydney’s story. Lost Sydney is not just about demolished buildings, it’s also about photos of Sydney’s past. Lost Sydney

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Lennox Bridge

Posted on 08/05/2020 by dougaj4

Last December I joined Bill Harvey on a visit to Lennox Bridge west of Sydney.  Bill has now documented the visit in his Bridge of the Month site, including history, comments on the structural form, and a dynamic 3D model … Continue reading →

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Trinity Bridge and Bridge of the Month

Posted on 09/01/2020 by dougaj4

Bill Harvey has been doing a monthly report on historical bridges for many years, but recent issues have the added interest of interactive 3D models of the selected bridges. The Trinity Bridge at Crowland in South Lincolnshire is an excellent … Continue reading →

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Jørn Utzon and David Moore

Posted on 08/04/2018 by dougaj4

Tomorrow (9th April 2018) is the centenary of the birth of Jørn Utzon, the architect of the Sydney Opera House, which is celebrated in an article at the Sydney-Morning Herald. The article quotes a grand-son of Utson, Mika Utzon Popov, … Continue reading →

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