Fatigue Strength of Welded Wire Fabric

by Yoh Takebe, Univ of Washington, Seattle, WA, USA,
Tamon Ueda, Univ of Washington, Seattle, WA, USA,
Neil M. Hawkins, Univ of Washington, Seattle, WA, USA,

Document Type: Proceeding Paper

Part of: Materials and Member Behavior


Long life fatigue tests were made on 12 concrete slabs reinforced with large diameter, Grade 75, deformed welded wire fabric. The specimens simulated, to full scale, conditions in a bare concrete bridge deck. In half the specimens the wires were epoxy coated. Stress ranges of 19 ksi for uncoated fabric and 20 ksi for epoxy-coated fabric, at a minimum stress of a 7 ksi tension, were less than the fabric's fatigue limit for 5 multiplied by 10**6 cycles of loading and a probability of survival of at least 95 percent.

Subject Headings: Concrete bridges | Fatigue (material) | Welding | Fabrics | Reinforced concrete | Concrete slabs | Epoxy | Ultimate strength

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