NDE for Performance of Wood Structures

by Ronald W. Anthony, Engineering Data Management Inc, United States,
Jozsef Bodig, Engineering Data Management Inc, United States,
James R. Goodman, Engineering Data Management Inc, United States,



Document Type: Proceeding Paper

Part of: Structural Materials

Abstract:

Significant economic losses result annually due to deterioration and failure of structural wood components. A high percentage of these losses result from our current inability to assess the deleterious effect of inherent weakening characteristics or detect initial degradation and distress. Undetected, the continued deterioration of structural members results in eventual and often catastrophic collapse. Development of new and more effective nondestructive evaluation (NDE) methods, specifically designed for wood-based structures, are needed to provide new detection tools for engineers and maintenance managers. The NDE of wood products by mechanical and electronic means improved dramatically in the last two decades with the discovery of a correlation between bending strength and the bending modulus of elasticity.

Subject Headings: Wood structures | Wood construction | Wave velocity | Structural members | Structural failures | Stress waves | Failure analysis

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