Richard H. Antoine III, P.E., S.E. (richard.antoineiii@jacobs.com), was a project engineer at Pennoni Associates Inc. and is now with Jacobs in Philadelphia, Pennsylvania.
The subject building is an existing timber-framed, multi-story structure that is over one hundred years old. Previous installments of this article have discussed the investigation and resulting need to evacuate the occupants, the nature of the deterioration observed, and the solutions considered for repair of the deteriorated columns. …
Part 1 of this series discussed the investigation of an existing timber-framed, multi-story building, that is over one hundred years old, and the resulting evacuation of the occupants due to an unsafe condition at the main support columns of the building. This installment discusses the nature of the deterioration observed and the solutions considered for repair. …
This article, which will be presented in three parts, discusses the investigation and subsequent repair of an existing timber-framed, multi-story building that is over one hundred years old. The investigation initially resulted in the need to evacuate the occupied building, which allowed for the innovative repair of severely deteriorated timber columns by encapsulating the wood within replacement steel columns that essentially jacketed and abandoned the original wood members in place. …