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Understanding Prestressed and Post-Tensioned Structure Demolition

Overview of the demolition engineering challenges and considerations for prestressed and post-tensioned structures. This CPD webinar is aimed to raise awareness of the engineering considerations for civil engineers and construction and demolition contractors when working on post-tensioned and prestressed structure demolition. Webinar Overview Definition and basic examples of prestressing Detailed exploration of prestressed concrete in various structures, including pressure vessels and masonry, with emphasis on applications and benefits. Explanation of the two primary methods of applying prestress to concrete, distinguishing between pre-tensioning (stress applied before concrete casting) and post-tensioning (stress applied after concrete has set). Challenges and considerations when demolishing prestressed and post-tensioned structures, including the potential hazards of ungrouted tendons and the importance of maintaining structural integrity during demolition. Featured Case Studies: Regent Street, Old Slade Lane, Hunterscombe, Glenferness Footbridge