Optimization study of blasting technology for deeply buried drainage trench in tunnel based on SPH-FEM coupled simulation. - ZHANG, Hailan; WU, Yunpeng; ZOU, Ren; MA, Xiaolong; LI, Kuntai; GAO, Qidong; NIU, Lei; ZHOU, Haixiao (Hazard Control in Tunnelling & Underground Engineering, 2025)