Bowed Basement Wall
Carbon-fiber technologies application in the reinforcement of bowed basement walls
Date:April 2010 Structure: Residential home, Lansing MI Contractor: Ayers Basement Systems Engineer: Hayman Residential Engineering and City of Lansing Material Used: Fortress Pre-Cured Pre-Preg Grid Mesh Project Scope:
Scope of project is to cost effectively install a new reinforced foundation in front of the existing old foundation which is crumbling due to deterioration of mortar and block themselves.
Before
Solution:
Design was based on shotcrete pool design, combined with a cantilever load of building. In short design used current foundation as backfill for new foundation. The floor was removed for interior system. Spread footer was increased to accept new wall. 4'X 8' sections of Fortress Carbon Grid were hung off of new seal plate. Drainage board was installed against old foundation. (becoming sandwiched between old and new foundation). Then a 6" shotcrete wall was shot creating a brand new basement interior. Total job completed in 5 days.