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THE EFFECT OF DIFFERENT TEST METHODSON DURABILITY CLASSIFICATION OF MODIFIED WOOD

机译：不同测试方法对改性木材耐久性分类的影响

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In order to encourage increased use of wood more empirical data on the performance of wood products are needed from different exposure situations and geographical locations. In the current study modified Scots pine sapwood materials aimed treated for above ground use were compared using: 1) two different laboratory decay tests at three different climates, 2) four different laboratory moisture tests, and 3) two different field trials. The aim of the study was to investigate the effect of temperature and moisture on modified wood material performance in laboratory decay trials and to compare different durability classification methods. Lowering the temperature did slow down the decay rate, but did not make much difference in the durability ranking of the materials. The moisture behaviour of the materials in this test could not alone explain the decay resistance. The durability classification varied between the tests, confirming that the durability classification of a material, and the ranking between materials, is not a fixed value that can be based on one single test. In order to predict service life in future studies the authors recommend to combine decay and moisture data.
机译：为了鼓励更多地使用木材，需要来自不同暴露情况和地理位置的更多有关木材产品性能的经验数据。在本研究中，使用以下方法对旨在用于地上用途的改性苏格兰樟子松边材进行了比较：1）在三种不同气候下进行的两种不同的实验室衰减测试; 2）四种不同的实验室湿度测试; 3）两种不同的现场试验。该研究的目的是在实验室衰减试验中研究温度和湿度对改性木质材料性能的影响，并比较不同的耐久性分类方法。降低温度确实减慢了衰减速率，但在材料的耐用性等级上并没有太大差异。在该测试中，材料的水分行为不能单独解释其耐腐性。耐久性分类在测试之间有所不同，从而确认材料的耐久性分类以及材料之间的等级不是可以基于一项测试的固定值。为了预测未来的使用寿命，作者建议将衰减和湿度数据结合起来。

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