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Simulation of Reinforced Concrete Structures Under Blast and Penetration Through Lattice Discrete Particle Modeling

[+] Author Affiliations
Gianluca Cusatis, Andrea Mencarelli

Rensselaer Polytechnic Institute, Troy, NY

Daniele Pelessone

ES3 - Engineering & Software System Solutions, Inc., Solana Beach, CA

James T. Baylot

Engineer Research and Development Center, Vicksburg, MS

Paper No. IMECE2007-43744, pp. 581-584; 4 pages
doi:10.1115/IMECE2007-43744
From:
  • ASME 2007 International Mechanical Engineering Congress and Exposition
  • Volume 10: Mechanics of Solids and Structures, Parts A and B
  • Seattle, Washington, USA, November 11–15, 2007
  • Conference Sponsors: ASME
  • ISBN: 0-7918-4304-1 | eISBN: 0-7918-3812-9

abstract

In this study, the Lattice Discrete Particle Model (LDPM), a recently developed three-dimensional meso-level model for concrete, is used to simulate the behavior of reinforced concrete under severe loading conditions. LDPM simulates concrete through an assemblage of particles (coarse aggregate pieces) connected through a lattice mesh. In order to simulate steel reinforcement, a mesh of plastic beams is embedded in the lattice system. Nonlinear concrete-reinforcement bond is also included in the formulation. The effectiveness of the approach is demonstrated through the simulation of projectile penetration into reinforced concrete slabs and blast spallation of dividing walls.

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