Damage evolution analysis of rock under Uniaxial compression and Brazilian splitting based on discrete element method

Autor: De-kang Li, Hao-ran Li, Meng Liu, Zi-heng Wang, Zheng Li
Jazyk: English<br />French
Rok vydání: 2020
Předmět:
Zdroj: E3S Web of Conferences, Vol 198, p 02018 (2020)
Druh dokumentu: article
ISSN: 2267-1242
DOI: 10.1051/e3sconf/202019802018
Popis: In order to better analyze the mechanical behavior of rock in uniaxial compression and Brazilian splitting, numerical model was established according to laboratory test by PFC2D particle flow program, and the simulation results were compared with the experimental results. The results show that when the rock reaches the peak stress, the failure curve of cement appears an obvious turning point, and the failure rate of cement increases.The compressive strength of rock is much greater than the tensile strength under compression condition. The preloading method is more detailed for experimental restoration, and it provides certain reference significance for rock simulation in the future.
Databáze: Directory of Open Access Journals