Open AccessInvestigation of the Effect of Fissure Angle and Temperature on the Strength and Deformation of Rock-like Material
Author(s) -
Hongwei Wang,
Qiang Ge,
Lizhuang Cui,
Yongyan Wang,
Jianguang Li
Publication year - 2020
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/780/5/052007
Subject(s) - fissure , deformation (meteorology) , materials science , geotechnical engineering , compression (physics) , geology , composite material
In order to investigate the effect of fissure and temperature on deep-seated rock, uniaxial compression experiments were conducted on rock-like material with different fissure angle at different temperatures. We investigated the influence of fissure angle and temperature on strength and the influence of fissure on failure mode of the rock. Also, we simulated the uniaxial compression experiment of rock-like material with ABAQUS. The results of experiments and simulations confirmed that the strength of rock-like material decreased with increasing temperatures and the strength decreased first then increased with increased fissure angle. The crack initiation started from the tips of the pre-existing fissure and we could speculate via the simulation that the reason of the crack initiation was stress concentration on fissure tips.