InTrans / Aug 14, 2018

Effect of cold temperatures on stress-laminated timber decks

This paper summarizes Forest Products Laboratory research on stress-laminated timber bridge decks subjected to below-freezing temperatures. The effect of temperature change was investigated in test decks in the laboratory and bridges in the field. The results indicate that the magnitude of the temperature effect depends on the moisture content of the wood laminations. In addition, changes in interlaminar compression resulting from belowfreezing temperatures are fully recoverable when the temperature rises above freezing.