Experimental and Theoretical Investigation of the High-Pressure Behavior of Concrete

Abstract

The results of an experimental study aimed at characterizing the behavior of concrete for high confining pressures (up to 500MPa) are reported. The main characteristics of the response under deviatoric conditions are quasi-linearity in the elastic regime, stress-path dependency, and gradual change from compressibility to dilatancy under increasing deviatoric stress. By performing the cyclic triaxial compression tests with several load-creep-unload and reload cycles, the time influence on the overall behavior was detected. Further, whether the main features of the observed behavior can be described within the framework of elastic/viscoplasticity theory was investigated. For this purpose, Cristescu's (Rock Rheology. Kluwer Academic Publishers: The Netherlands, 1989) approach was used. It was shown that the proposed elastic/viscoplastic model captures the main features of concrete behavior at high pressures.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 2008
Accession Number
ADA486678

Entities

People

  • Mark L. Green
  • Martin J. Schmidt
  • Oana Cazacu

Organizations

  • Air Force Research Laboratory

Tags

Communities of Interest

  • Space
  • Weapons Technologies

DTIC Thesaurus Topics

  • Air Force
  • Air Force Research Laboratories
  • Boundaries
  • Bulk Modulus
  • Elastic Properties
  • Engineering
  • Experimental Data
  • High Pressure
  • Materials
  • Measurement
  • Mechanics
  • Modulus Of Elasticity
  • Plastic Properties
  • Poisson Ratio
  • Simulations
  • Strain Rate
  • Test Methods

Fields of Study

  • Engineering

Readers

  • Mechanical Engineering/Mechanics of Materials.