STRUCTURAL STRENGTHENING, TYFO® SYSTEM
OVERVIEW
Olson Hall was one out of nine buildings requiring a seismic upgrade according to Phase 5 of the UC Seismic Corrections Plan. Fyfe Company’s pre-qualified certified applicator, Fibrwrap Construction, was awarded the design-build project. The project documents specified existing concrete columns and diaphragms to be strengthened with the addition of fiber-reinforced polymers (FRP). The project drawings also included specific FRP detailing at obstructing concrete walls and depressions in the existing terrazzo flooring.
The Tyfo® SCH-41 system provided the additional strengthening to the specified columns at the basement level. The Tyfo® SCH-41 system also served as collectors on the first floor, second floor, and roof level slabs to transmit seismic forces to the rest of the seismic-force resisting system.
The detailing at wall obstructions included removing only the bottom concrete portion to allow the Tyfo® Fibrwrap® system to pass through while the existing wall rebar stayed in place. Detailing at depressions in the slab included transitioning the cured composite system with cement grout at a one-percent slope. This created a smooth transition to the existing terrazzo flooring.
The project was completed ahead of schedule primarily during the winter break with minimal disruption to classes scheduled in the hall.
![CS - Structural Strengthening - Education - UCD Olson Hall - 02.28_2 Wall obstruction detailing](https://www.cs-nri.com/wp-content/uploads/2022/04/CS-Structural-Strengthening-Education-UCD-Olson-Hall-02.28_2-640x480.jpg)
![CS - Structural Strengthening - Education - UCD Olson Hall - 02.28_1 Tyfo® system application](https://www.cs-nri.com/wp-content/uploads/2022/04/CS-Structural-Strengthening-Education-UCD-Olson-Hall-02.28_1-640x480.jpg)
PROJECT DETAILS
Project University Of California, Davis – Olson Hall
Location Davis, California
![CS - Box Culvert strengthening - Zoar Levee_03.07_3 Tyfo® SCH-41 system application](https://www.cs-nri.com/wp-content/uploads/2022/04/CS-Structural-Strengthening-Education-UCD-Olson-Hall-02.28.jpg?vcv-dynamic-field=featured_image&alt=Tyfo%C2%AE+SCH-41+system+application&caption=Tyfo%C2%AE+SCH-41+system+application&title=CS+-+Structural+Strengthening+-+Education+-+UCD+Olson+Hall+-+02.28)