Structural Analysis - INACHUS Pilot 2Urban Search & Rescue, Sanofi/Solvay Building Demolition
Lyon, France, May 29th, 2017
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As the engineering and structural demolition expert on the Sanfor/Solvey project, our demolition services were required to model the progressive collapse of the building. We accomplished this using our structural analysis software (ELS).
The demolition contractor, Cardem, successfully implemented the demolition the same day the model was completed.
INACHUS aims to achieve significant time reduction for Urban Search and Rescue (USaR) operations. This is enabled by simulation tools for predicting structural failures as part of a comprehensive decision support mechanism.
ASI’s Extreme Loading® for Structures (ELS) software uses nonlinear dynamic analysis to predict the collapse shape of structures. The Applied Element Method (AEM) implemented in ELS allows estimating the shape of collapse and the mode of failure as well as the impact of the debris with the structure. This is used within the INACHUS project to predict the collapse shape of structures. This allows identifying the location of cavities where there is high probability of locating survivors after a structural collapse. Additionally, it allows studying the stability of the debris pile to estimate the safest routes of access into the debris field for the USaR personnel. Furthermore, the possibility of removing some structural components from the debris field without destabilizing the debris field.
In Pilot 2, the demolition plan was proposed by Cardem and implemented by ASI Europe in the ELS model. The collapse shape was documented by 3D scanning and video imaging using drones. The simulated collapse shape was an excellent match to the observed collapse.