Investigation of mechanical properties of bedded shale by nanoindentation tests: A case study on Lower Silurian Longmaxi Formation of Youyang area in southeast Chongqing, China
Xian SHI,Shu JIANG,Shuangfang LU,Zhiliang HE,Dongjie LI,Zhixuan WANG,Dianshi XIAO
Fig. 10. Weibull fracture toughness curve of shale samples with parallel bedding (a) and vertical bedding (b).