Quarry Waste: Chances of a Possible Economic and Environmental Valorisation of the Montorfano and Baveno Granite Disposal Sites
Table 3
Geotechnical stability checks.
Sengio area
Ciana-Tane Pilastretto area
Braghini area
Slope face within 290–350 m (sliding surfaces characterising the contact between debris and basement)
Slope face within 260–350 m (sliding surfaces characterising the contact between debris and basement)
General stability of the quarrying face (sliding surfaces passing through a point)
Local stability of the quarrying face (sliding surfaces passing through a point
Slope face within 590–680 m (sliding surfaces characterising the contact between debris and basement)
Slope face within 540–585 m (sliding surfaces characterising the contact between debris and basement)
Fs (December 2004)
1.25–1.37
1.28–1.30
1.39–1.59
1.52–1.83
1.11
1.21–1.34
Fs (Evolution within 5 years, December 2009)
1.33–1.67
1.36–1.41(1)
2.27–3
>3
1.45–1.86
1.32–2.01
Fs (Evolution within 10 years, December 2014)
> 2.10–3(2)
1.7–1.95(3)
—
—
—
2.04–3
(1)Circular surfaces tangent to the contact: rock basement-debris (2)Slope face within 265–290 m (sliding surfaces characterising the contact between debris and basement) (3)Slope face within 235–290 m (sliding surfaces characterising the contact between debris and basement).