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Flexural cracks First spalling & shear cracks Extensive cracks & spalling

Damage States Ref: seismic damage states and performance parameters for bridge columns, Ashkan Vosooghi and M. Saiid Saiidi, U. of Nevada, Reno, ACI Special Publications, in Review. Flexural cracks First spalling & shear cracks Extensive cracks & spalling Lateral & longitudinal bars visible

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Flexural cracks First spalling & shear cracks Extensive cracks & spalling

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  1. Damage StatesRef: seismic damage states and performance parameters for bridge columns, Ashkan Vosooghi and M. Saiid Saiidi, U. of Nevada, Reno, ACI Special Publications, in Review • Flexural cracks • First spalling & shear cracks • Extensive cracks & spalling • Lateral & longitudinal bars visible • Imminent failure

  2. Damage States State 1: Cracks State 2: First spalling Saiidi, U. of Nevada, Reno

  3. Damage States 3 and 4 State 3: Extensive cracking and spalling State 4: Visible spirals & longitudinal bars Saiidi, U. of Nevada, Reno

  4. State 5: Imminent Failure Saiidi, U. of Nevada, Reno

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