publication . Doctoral thesis . 2014

Earthquake Resilient Bridge Columns Utilizing Damage Resistant Hybrid Fiber Reinforced Concrete

Trono, William Dean;
Open Access English
  • Published: 01 Jan 2014
  • Publisher: eScholarship, University of California
  • Country: United States
Modern reinforced concrete bridges are designed to avoid collapse and to prevent loss of life during earthquakes. To meet these objectives, bridge columns are typically detailed to form ductile plastic hinges when large displacements occur. California seismic design criteria acknowledges that damage such as concrete cover spalling and reinforcing bar yielding may occur in columns during a design-level earthquake. The seismic resilience of bridge columns can be improved through the use of a damage resistant hybrid fiber reinforced concrete (HyFRC). Fibers delay crack propagation and prevent spalling under extreme loading conditions, and the material resists many ...
free text keywords: Civil engineering, damage resistant, HPFRCC, HyFRC, recentering column, rocking column, seismic design
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