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Official Journal of the Japan Wood Research Society

Table 8 Coefficients of correlation (r) between the logarithm or square root of DI and deterioration of mechanical properties

From: The evaluation of long-term mechanical properties of wood-based panels by indoor exposure tests

Mechanical properties

Panels

Calculation methods of DI

4-Li

4-Ex

4-Lo

8-Li

8-Ex

8-Lo

12-Li

12-Ex

12-Lo

log

log

log

log

log

log

log

log

log

MOE

OSB(A)

0.408

0.381

0.411

0.562

0.318

0.571

0.434

0.554

OSB(P)

0.289

0.388

0.177

0.357

0.331

0.402

PB(P)

0.503

0.422

0.537

0.421

0.499

0.431

PB(I)

MDF(M)

0.275

0.328

0.364

0.402

0.238

0.296

0.692

0.692

0.429

0.692

PW(P)

0.264

0.307

0.296

0.276

0.308

MOR

OSB(A)

0.294

0.271

0.331

0.488

0.248

0.502

0.350

0.476

OSB(P)

PB(P)

0.390

0.359

0.415

0.328

0.387

0.365

MDF(M)

0.248

0.291

0.207

0.574

0.574

0.324

0.574

PW(P)

0.227

0.237

IB

OSB(A)

OSB(P)

PB(P)

PB(I)

0.415

0.367

0.415

0.359

0.412

0.370

0.401

0.327

0.390

0.311

0.408

0.340

0.349

0.406

0.311

NHPT

PB(P)

PB(I)

MDF(M)

  1. Bold values indicate the highest correlation
  2. DI deterioration intensity. OSB, PB, MDF, PW see Table 1. MOE, MOER, IB, NHPT see Table 2
  3. ‘–’ indicates no significant correlation