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ASTM International , 12/01/2016
Publisher: ASTM
File Format: PDF
$24.00$48.00
1.1This test method covers the estimation of in situ modulus of a rock mass at various depths and orientations. Information on time-dependent deformation may also be obtained.
1.2This test method covers testing in an N size drill hole and is more relevant to a borehole jack device designed for “hard rock” than for soft rock.
1.3All observed and calculated values shall conform to the guidelines for significant digits and rounding established in Practice D6026.
1.3.1The method used to specify how data are collected, calculated, or recorded in this standard is not directly related to the accuracy to which the data can be applied in design or other uses, or both. How one applies the results obtained using this standard is beyond its scope.
1.4The values stated in SI units are to be regarded as the standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard.
1.5This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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