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Determination of rock mass stress by the method of hydrofracturing of borehole wall, Experimental gallery Josef
Staš, Lubomír ; Waclawik, Petr ; Kukutsch, Radovan ; Kubina, Lukáš ; Rutar, Tomáš
The method of hydrofracturing of borehole walls was chosen to measure the rock mass stress at the Experimental gallery Josef. This method allows direct measurement of stress in areas accessible only by the boreholes. Experimental work took place in the roadway No. SCHZ-JP9 in the down borehole No. JT1 with a diameter of 76 mm and a length of 73.1 m. The research report summarizes the results of stress measurements in the Experimental gallery Josef within the mentioned measurement campaign.

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