Abstract

Under different heating conditions, the composite wood floor and pine carbonization samples were prepared, and the charring surface morphology, crack width, carbonization depth and average charring rate were compared and analyzed. The results show that under the thermal radiation condition, the carbonization of composite wood floor is the most serious, and cracks distributed radially; under the arc condition, the compound wood floor is difficult to ignite, and the carbonization layer is shallow; small amount spilled gasoline combustion has little effect on carbonization degree, but the char is obvious at the corner; at the same heating condition, the carbonization degree of pine was more serious than the composite wood floor, and the carbonized surface morphology had significant differences.

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