Methods for adjusting stress wave velocity-based predictions...

Details Methods for adjusting stress wave velocity-based predictions... Methods for adjusting stress wave velocity-based predictions...

2007-09-04

2007-09-04

Ramos-Feliciano, Eliseo (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Mechanical measurement system

C073S781000, C073S801000

Reexamination Certificate

active

11312191

ABSTRACT:
Methods are provided for predicting properties based on stress wave velocity measurements, such as modulus of elasticity (MOE) and/or warp potential of trees and/or logs from a timber-based raw material group (“TBRMG”). The methods provide a formula allowing compensation for growth rate differences between stands. Accordingly, the present invention prevents underestimation or overestimation of MOE and/or warp potential.

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Huang CL, “Predicting lumber, stiffness of standing trees,” Proceedings of the 12th International Symposium on Nondestructive Testing of Wood University of Western Hungary, Sopron, Sep. 13-15, 2000, ISBN 963 7180 88 5.
Wang X “Acoustic analysis of warp potential of green ponderosa pine,” Proceedings, 9thInternational IUFRO Wood Drying Conf, Aug. 25, 2005, pp. 155-160.

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