Experimental Study on the Mechanical Properties of Rice Husk-Reinforced Eco-Friendly Mine Backfill Material
Jinxing Lyu, Bao Song, Yiquan Lin, Wen Ma, Songxiang Liu · 2026
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Description
Jinxing Lyu and co-authors turn rice husks into reinforcement for eco-friendly mine backfill in 2026, blending them with coal gangue, fly ash, and desert sand. Mines need cheap fill that holds weight without cracking suddenly, and natural fibres might beat synthetic ones on cost and footprint. The team varied husk dose and cement replacement, then crushed and split specimens while acoustic sensors, imaging, and microscopy tracked how damage grew.
At five percent husk, the fill reached 5.6 megapascals in compression and 0.376 in splitting tension, an 83.4 percent tensile gain over the fibre-free mix in their tests. Husks delayed crack concentration, turning sudden brittle failure into gradual damage under load. Microscopy showed husks embedded in the cement matrix with mineral growth around them. Longer curing raised strength, heavier cement replacement lowered it.
Catalog record
| CREATOR | Jinxing Lyu, Bao Song, Yiquan Lin, Wen Ma, Songxiang Liu |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 43666 |
| LICENSE | https://creativecommons.org/licenses/by/4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |