A Simple Sonic Mapping Method Verified by CT Scan Images
Abstract
This study presents a novel sonic mapping method applied to coal samples, verified by CT scan imaging. Cubic coal samples with side lengths of 50-70 mm were subjected to non-destructive sonic tests, measuring both P-wave (Vp) and S-wave (Vs) velocities. Each of the three orthogonal directions (X, Y, and Z) of the cube was divided into 9 regions, resulting in 27 Vp and 27 Vs measurements per sample. From these data, 2D sonic maps were constructed for each direction, and interpolation was employed to refine the mappings. A 3D sonic map was then generated by averaging the 2D maps. The 3D sonic mapping results were compared and validated against high-resolution CT scan images, confirming the reliability of this approach for mapping the internal structure of coal samples.
Cite
@article{arxiv.2503.06842,
title = {A Simple Sonic Mapping Method Verified by CT Scan Images},
author = {Jimmy Xuekai Li and Thomas Flottmann and Max Millen and Shuai Chen and Yixiao Huang and Zhongwei Chen},
journal= {arXiv preprint arXiv:2503.06842},
year = {2025}
}