Abstract

In order to study effects of compression ratio on water resistant properties of biomass bricks, which are made from poplar wood and corn stalk fibers and calcium hydroxide with different compression ratios, they are soaked for 168h in warm water at 30°C. The results show that water resistant and dimensional stability of bricks are good. Water absorption contents of bricks are decreasing with the increasing compression ratios, and they are increasing with expanding time. Water absorption rates of bricks are decreasing with the increasing compression ratio and expanding time. Dimensional deformation rates of bricks in thickness are greater than ones in width and length.

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