AUTHOR=Lv Jian , Jiang Tao , Wang Shuangcheng , Huang Wei , Cui Shenghua , Duan Lihu , Huang Zhenfu TITLE=Low seismic shaking induced densification of large spoil heap composed with low-density particle material JOURNAL=Frontiers in Earth Science VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2025.1537936 DOI=10.3389/feart.2025.1537936 ISSN=2296-6463