Research Article

Study on Mechanism of Cumulative Directional Blasting of Brittle Karst Limestone in the Guizhou Province

Table 2

Uniaxial compression results.

NumberStrength (MPa)Ultimate strainPoisson’s ratio

1106.470.00220.17
2102.180.00240.18
3110.290.00200.16
Average value106.310.00220.17