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Simple and accurate temperature correction for moisture pin calibrations in oriented strand board

机译:简单而准确的温度校正,可用于定向刨花板中的湿针校准

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摘要

Oriented strand board (OSB) is commonly used in the residential construction market in North America and its moisture-related durability is a critical consideration for building envelope design. Measurement of OSB moisture content (MC), a key determinant of durability, is often done using moisture pins and relies on a correlation between MC and the electrical resistance (R) of the OSB between the pins. Early work on these correlations focused on solid lumber and recent correlations for engineered wood products lack data regarding the temperature effects on R. We provide data on 1001 resistance measurements in OSB, sourced from three different locations, over a wide temperature (-17 degrees C-70 degrees C) and relative humidity (35%-95%) range. This data, in conjunction with gravimetric MC readings, is used to test existing correlations and support a new simple, accurate formula for calculating MC from resistance and temperature measurements in OSB.
机译:定向刨花板(OSB)通常在北美的住宅建筑市场中使用,其与湿气有关的耐久性是建筑围护结构设计的关键考虑因素。 OSB水分含量(MC)的测量是耐用性的关键决定因素,通常使用水分引脚进行测量,并且依赖于MC与引脚之间OSB电阻(R)之间的相关性。这些相关性的早期工作侧重于固态木材,而工程木产品的最新相关性缺乏有关温度对R的影响的数据。我们提供OSB中1001电阻测量的数据,该数据来自三个不同位置,且温度范围很广(-17摄氏度) -70摄氏度)和相对湿度(35%-95%)的范围内。该数据与重量MC读数一起用于测试现有的相关性,并支持一种新的简单,准确的公式,用于根据OSB中的电阻和温度测量值计算MC。

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