Nondestructive Evaluation of Dimension Stone Using Impulse-Generated Stress Waves: Part 1 — Theoretical Aspects and Experimental Prospects

    Published: Jan 2000

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    Energy-related processes in dimension stones are numerous and may collectively describe the mechanical and physical features of stone such as its viscoelastic and microstructural properties. Viscoelastic properties are concerned with evaluating the complex, stress-relaxation, and creep-compliance moduli. Microstructural properties include grain-size distribution, grain type, shape, texture, bedding anisotropy, and grain coating/surface-contact conditions. Other related energy-based intrinsic properties include noise-abatement and transport properties such as porosity, permeability, and tortuosity. Therefore, the study of the energy evolution processes within a given stone component/system by means of an impulse-generated stress-wave field may reveal the nature of the required stone features. Using principles of statistical energy analysis, SEA, diffuse-wave-fields, and analogies to solid media of architectural-acoustic theories on reverberant enclosures, the evolution of the wave field is studied and discussed, and the experimental means of performing spectral and energy analyses from a single impulse-echo test is presented.


    dimension stone, stone veneer, cladding, diffuse wave fields, attenuation, viscoelastic properties, impulse-echo, statistical mechanics, power-density, material characterization, energy partitioning

    Author Information:

    dos Reis, HLM
    Professorgraduate student, University of Illinois at Urbana-Champaign, Urbana, Illinois

    Habboub, AK
    Professorgraduate student, University of Illinois at Urbana-Champaign, Urbana, Illinois

    Committee/Subcommittee: C18.08

    DOI: 10.1520/STP13536S

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