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ASTM D4394

2008 Edition, July 1, 2008

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Standard Test Method for Determining In Situ Modulus of Deformation of Rock Mass Using Rigid Plate Loading Method



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Product Details:

  • Revision: 2008 Edition, July 1, 2008
  • Published Date: July 1, 2008
  • Status: Active, Most Current
  • Document Language: English
  • Published By: ASTM International (ASTM)
  • Page Count: 10
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This test method covers the preparation, equipment, test procedure, and data reduction for determining in situ modulus of deformation of a rock mass using the rigid plate loading method.

This test method is designed to be conducted in an adit or small underground chamber; however, with suitable modifications it could be conducted at the surface.

This test method is usually conducted parallel or perpendicular to the anticipated axis of thrust, as dictated by the design load.

Time dependent tests can be performed but are to be reported in another standard.

Observed and calculated values shall conform to the guidelines for significant digits and rounding established in Practice D 6026.

The 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.

The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

The references appended to this standard contain further information on this test method.

This 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 requirements prior to use. For specific precaution statements, see Section 8.

*A Summary of Changes section appears at the end of this standard.