Estimation of Aperture and Stiffness of Fractures under High Water Pressure Using Hydrological Data and Slurry Consolidating Body

Table 2

Fracture apertures and its application conditions.

Aperture	Reference	Grouting pressure	Methods
1-3 mm	This paper	15.0 MPa	Field
1-5 mm	Lee (2020)	<1 MPa	Lab
1-4 mm	Sui (2015, 2019)	1.5 MPa	Lab
0.1-0.025 mm	Funehag (2018)	0.2 MPa	Lab
10-230 μm	Ghafar (2017)	1.5 MPa	Lab
0.3 mm	Tani (2017)	0.6 MPa	Lab
5 mm	Li (2016)	350 KPa	Lab and field
100 μm	Place (2016)	1.5 MPa	Lab
100-500 μm	Mohammed (2015)	1.5 MPa	Lab
0.1-2 mm	Hakami (1995)		Lab
0.2-2 mm	Jung (1989)	1.9 MPa	Lab