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June 3, 2026European Journal of Wood and Wood Products0 citationsOpen Access

Evaluation of Non-Destructive and CT-Derived Indicators for Stiffness in Reclaimed Timber

Comparative evaluation of non-destructive and CT-derived indicators for stiffness assessment of reclaimed Norway spruce timber

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Authors

JHJohannes A. J. HuberTSTom SvilansMKMaarja Kauniste

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Overview

Controlled assessment compares non-destructive stiffness indicators in reclaimed timber, highlighting their complementary nature.

Key Points

  • This research aims to evaluate the effectiveness of various non-destructive indicators for characterizing the mechanical performance of reclaimed Norway spruce timber.
  • Controlled comparative assessment of non-destructive tests including visual assessment and dynamic excitation on 56 reclaimed beams.
  • CT-derived indicators were analyzed for their ability to predict bending stiffness variations.
  • Mechanical reference tests included global and zone-wise flatwise bending tests.
  • Dynamic excitation emerged as the most reliable predictor for global bending stiffness.
  • CT-derived indicators showed predictive capability similar to established non-destructive methods.
  • Visual assessment had limited effectiveness in differentiating mechanical properties in the homogeneous material.

Cite This Study

Huber et al. (2026) studied this question.

synapsesocial.com/papers/6a1fc696dee9eb8c0dce79fbhttps://doi.org/10.1007/s00107-026-02433-1
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