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 guidelines for significant d
ASTM
Standard Test Method for In Situ Stress and Modulus of Deformation Using the Flatjack Method
STD-52762
2004
2004-11-01
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