A miniature mechanical apparatus and test protocol for bending and crushing tests in wood preservation research

A miniature mechanical test apparatus for determining the modulus of elasticity and crushing strength of small wood specimens has been developed. This apparatus provides a sensitive method for laboratory studies to measure both soft-rot and basidiomycete decay in wood test samples. Test results show that progressive soft-rot attack can be accurately measured by changes in modulus of elasticity. Tests on use of the apparatus to monitor the amount of basidiomycete decay in soil block tests are underway.

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