Progressive Collapse Analysis of Steel Framed Buildings: With Autodesk Robot Structural Analysis
Allan Njugi, Rhonnie (2018)
Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi:amk-2019052110917
https://urn.fi/URN:NBN:fi:amk-2019052110917
Tiivistelmä
This thesis was commissioned by Pöyry Finland ÖY to study the process of progressive collapse in steel framed buildings.
The phenomenon occurs when a critical member such as a beam or column suddenly fails, resulting in redistribution of load paths to surrounding members. If the adjacent members are not capable of supporting the new loads, they begin to fail successively. This in turn leads to a chain reaction that may result in partial or total collapse of the building.
The study determined under what conditions such collapse occurs, how to control or mitigate it. Methods used were study of existing literature on the subject, lectures, as well as a case study in Robot Structural Analysis of a steel structure.
The results obtained from the analysis model showed that the structure was robust and collapsed once in more than 25 different accidentally loading situations. Results showed that the building was most susceptible to notional corner column removal.
The phenomenon occurs when a critical member such as a beam or column suddenly fails, resulting in redistribution of load paths to surrounding members. If the adjacent members are not capable of supporting the new loads, they begin to fail successively. This in turn leads to a chain reaction that may result in partial or total collapse of the building.
The study determined under what conditions such collapse occurs, how to control or mitigate it. Methods used were study of existing literature on the subject, lectures, as well as a case study in Robot Structural Analysis of a steel structure.
The results obtained from the analysis model showed that the structure was robust and collapsed once in more than 25 different accidentally loading situations. Results showed that the building was most susceptible to notional corner column removal.