An analytical method for the impact force of a cubic rock boulder colliding onto a rigid barrier Luo, Gang ; Zhao, Yongjie ; Shen, Weigang ; Wu, Maolin Abstract Publication: Natural Hazards Pub Date: May 2022 DOI: 10.1007/s11069-021-05196-5 Bibcode: 2022NatHa.112..603L