1.1 The flatjack test measures stress at a rock surface. The modulus of deformation and the long-term deformational properties (creep) may also be evaluated. 1.2 All observed and calculated values shall conform to the gui
ASTM
Standard Test Method for In Situ Stress and Modulus of Deformation Using Flatjack Method
STD-67585
2008
2008-07-01
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