Demolition Planning - Castelão Soccer StadiumRio de Janeiro, Brazil
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The demolition plan for the Castelão Soccer Stadium called for a partial demolition of the Structure, and a complete analysis to ensure the remaining sections of the stadium would remain undamaged. Additionally, the project included analysis of seismic ground vibration to protect surrounding structures.
Winner: Explosive Demolition of the year, 2011
With Applied Science International, Fábio Bruno Construções worked to create a demolition plan that would both efficiently collapse the stadium sections while keeping the remaining stadium sections and surrounding structures undamaged. ASI modeled the full cantilevered stadium seating sections with all reinforcement details, post tensioned cables, expansion joints, elevator shaft, walls, columns, diamond cut gap, and temporary shoring in its Extreme Loading® for Structures (ELS) software for analysis of the demolition plan.
To avoid damaging the surrounding structures an initial concept was developed to utilize the cantilevered action of the upper seating area as a pivot point allowing the upper seating area to rotate down around it increasing the gap between the 3 story building and the stadium. A variety of demolition scenarios were analyzed in ELS to determine the size of the compression zone that needed to be blasted for it to create a plastic hinge allowing for this rotation. After five demolition scenarios were analyzed a final plan was determined and ASI performed a seismic analysis of the demolition plan to ensure that no additional damage would be caused by temporary ground acceleration from the impacting debris.
Throughout the process Applied Science International and Fábio Bruno Construções were able to see the results of each proposed scenario to determine the proper height of the compression zone and sizes of charges for a safe demolition. The demolition was safely performed on June 12th, 2011 through proper planning and execution by Fábio Bruno Construções Demolition Team and ASI’s Engineering Team.