Assessment of test-piece size for punching shear capacity of orthotropic panels: case study of OSB

Title: Assessment of test-piece size for punching shear capacity of orthotropic panels: case study of OSB
Author(s): W. H. Thomas
Paper category : journal
Serial title: Materials and Structures
Abreviated Serial title: Mater. Struct.
ISSN: 1359-5997
Publisher: RILEM Publications SARL
Volume: 36
Issue: 256
Issue date: 2003-03-01
Publication year: 2003
Pages: 139 - 144
Total Pages: 6
Nb references: 10
Language: English

Abstract: The punching shear capacity of a wood-based panel is useful in the assessment of its suitability in flooring.
A test method for determination of the punching shear capacity of particleboard is given in British Standard BS 5669.
The suitability of the span of test piece specified in BS 5669 for punching shear capacity characterisation of oriented strand board (OSB)has been assessed from concentrated load tests of 15 and 18-mm thick OSB panels under 25 and 50mm diameter load applicators.
Elliptical fan-shaped crack envelopes with major axes that were roughly of the same order as the spans of the test pieces characterised the failure of the test pieces under the 25-mm diameter load applicator.
However,when the test pieces were loaded via the 50-mm diameter load applicator,the spans of the test pieces appeared too small to simulate the characteristic elliptical crack envelope.
An expression for the test-piece span for characterisation of punching shear capacities under both 25 and 50-mm diameter load applicators has been proposed.
The proposed expression is a useful starting point in the determination of suitable test-piece span for punching shear capacity characterisation of OSB.

Online publication: 2003-01-25
Classification: Technical Reports
Publication type : full_text
Public price (Euros): 0.00
doi: 10.1617/13844