$Hydrofracturing in situ stress measurements of itabirite in the Brazilian Ferriferous Quadrangle and their limitations$

Hydrofracturing in situ stress measurements of itabirite in the Brazilian Ferriferous Quadrangle and their limitations

This article presents a first attempt to carry out in situ stress measurements (magnitudes and orientations) of the itabirite in the Brazilian Ferriferous Quadrangle by hydraulic fracture testing at a depth of 399 m. Previous studies on this rock have considered estimated values of the k index (rati...

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Veröffentlicht in:	Geotechnical and geological engineering 2022-03, Vol.40 (3), p.1619-1627
Hauptverfasser:	de Andrade Penido, Henrique, de Figueiredo, Rodrigo Peluci, de Assis, André Pacheco, Torres, Vidal Félix Navarro, Sotomayor, Juan Manuel Girao, Guimarães, Alessandro
Format:	Artikel
Sprache:	eng
Schlagworte:	Case studies Civil Engineering Earth and Environmental Science Earth Sciences Fault lines Fracture testing Geological structures Geology Geotechnical Engineering & Applied Earth Sciences Gravity Hydraulic fracturing Hydraulic tests Hydraulics Hydrogeology Open pit mining Rock masses Rocks Stability analysis Stress distribution Stress measurement Technical Note Terrestrial Pollution Tests Waste Management/Waste Technology
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