Effect of Board Density on Freeze-Thaw Resistance — A Case Study

Effect of Board Density on Freeze-Thaw Resistance—A Case Study 

12 g/cm ) flexural strength (which was calculated including small variations in moments of inertia of the boards) changed from 2330 psi (control) to 2253 psi (after freeze-thaw), that is, by 3.3%. For 2004 boards (density 1.18 g/cm ) flexural strength changed from 2579 psi (control) to 2497 psi (after freeze-thaw), that is, by 3.2%. 

Therefore, board density (in this range, between 1.12 and 1.18 g/cm ) did not play any noticeable role in resistance to triple freeze-thaw. The resistance itself was very good, with a change in flexural strength only about 3% from the initial value. 

TABLE 12.15 Effect of three-cycle freeze-thaw treatment of GeoDeck boards 

Year of Density Two Three Control After three Change 

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