Stress wave nondestructive evaluation (NDE) technologies are used in the inspection of timber structures and frequently complement visual inspection procedures. Inspectors use stress wave NDE techniques to locate internal voids and decayed or deteriorated areas in large timbers. Although those techniques have proven useful in inspections, no information exists concerning the relationship between stress wave transmission time and important residual strength properties of oriented strandboard (OSB) that has been exposed to decay fungi. We examined the relationship between stress wave transmission time and bending strength of OSB subjected to brown-rot decay fungi. Stress wave transmission time was measured on small OSB specimens that had been exposed to brown-rot decay fungi for up to 11 weeks. Static bending tests were then performed on the specimens. A strong relationship was observed between stress wave transmission time and residual bending strength.
|Original language||English (US)|
|Number of pages||3|
|Journal||Forest Products Journal|
|State||Published - Mar 1 2003|