AUTHOR=Zhang Jihong , Dong Zhongji , Yin Xiaotao , Yang Min TITLE=Study on its application and unstable risk subarea estimation method of mountainous traffic engineering’s spoil ground JOURNAL=Frontiers in Earth Science VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2024.1489486 DOI=10.3389/feart.2024.1489486 ISSN=2296-6463