Fracture Mechanics.pdf

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Preview of Fracture Mechanics
🔗 Source: framcos.org
📊 Size: 445 KB
📄 Pages: 5 pages
⬇️ Downloads: 113

Summary

The ductile-to-brittle transition in fiber-reinforced brittle-matrix composites is investigated using the Bridged Crack Model, considering the effects of scale and fiber volume fraction. The model explains the structural behavior, including size-scale effects and snap-back and snap-through instabilities. The brittleness number, NP, is a fundamental parameter governing the structure's ultimate response, and its critical value, NPC, determines the minimum reinforcement condition. Numerical simulations of Three Point Bending tests on fiber-reinforced concrete beams with varying beam sizes and fiber volume fractions show a ductile-to-brittle transition for each beam scale, effectively described by the brittleness number NP.

Description

The ductile-to-brittle transition in fiber-reinforced brittle-matrix composites is investigated using the Bridged Crack Model, considering the effects of scale...

Technical Information

  • File Format: PDF
  • File Size: 445 KB
  • Pages: 5
  • Language: EN
  • Total Downloads: 113
  • Last Updated: 1 week ago

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