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- Title
The impact of modifying hemp shives with water glass on selected properties of hemp-cement-lime composite.
- Authors
CHOMICZ, RADOSŁAW; BORYSIUK, PIOTR
- Abstract
The impact of modifying hemp shives with water glass on selected properties of hemp-cement-lime composite. The influence of the addition and modification of hemp shives with water glass on selected properties of the hemp-cement-limestone composite was investigated. Nine variants of composites were produced, differing in the volume content of hemp husks: 0%, 15%, 25%, 35% and 50%, modified or unmodified with water glass. For the produced composites, it was tested: density, compressive strength, MOR (bending strength), MOE (modulus of elasticity), thickness swelling and water absorption. Based on the conducted research, it was found that the increase in the addition of hemp shives results in a decrease in strength parameters and deterioration of the water resistance of hemp-cement-lime composites. In turn, the modification of hemp shives with water glass improves both the strength and physical properties (limited swelling in thickness and water absorption) of hempcement-lime composites compared to analogous composites based on unmodified hemp shives. The highest strength parameters and the best resistance to water are demonstrated by a hemp-cement-limestone composite containing a 15% volume share of hemp shives modified with a 5% addition of water glass.
- Subjects
SOLUBLE glass; COMPOSITE materials; LIMESTONE; COMPRESSIVE strength; STRENGTH of materials
- Publication
Annals of Warsaw University of Life Sciences - SGGW, Forestry & Wood Technology, 2024, Issue 125, p5
- ISSN
1898-5912
- Publication type
Article
- DOI
10.5604/01.3001.0054.6604