LIFE-365 Service Life Prediction Model for Concrete Structures

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LIFE-365 Service Life Prediction Model for
Concrete Structures

• Richard Stehly, PE, FACI
• Jessi Jackson

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Current Costs, Minnesota
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LIFE-365 Parking Ramp

• 8 deck, 2 of cover
• 1.2 Steel
• 75 Year Design Life
• 3 Discount Rate
• 0.45 W/C
• Minneapolis, Minnesota

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LIFE-365 Bridge

• 12 Thick, 3 Cover
• 1.2 Steel
• 1 Chlorides _at_ 20 years
• 100 Year Design Life
• 3 Discount Rate
• 0.32 W/C
• Minneapolis, Minnesota

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LIFE-365 Piling

• 24 Thick, 1.5 Cover
• 1.2 Steel
• 1.9 Chlorides in 1 year (amount of Cl- in
  seawater)
• 75 Year Design Life
• 3 Discount Rate
• 0.4 W/C
• 800 m from ocean
• Tampa, Florida

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