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Significance and Use
4.1 Auger borings often provide the simplest method of soil exploration and sampling. They may be used for any purpose where disturbed samples can be used and are valuable in connection with groundwater level determination and indication of changes in strata and advancement of hole for split-barrel penetration tests and sampling (Test Method ) and thin-walled tube sampling (Practice ). Equipment required is simple and readily available. Depths of auger explorations are, however, limited by groundwater conditions, soil characteristics, and the equipment used.
1.1 This practice covers equipment and procedures for the use of earth augers in shallow depth geotechnical exploration. This practice does not apply to hollow-stem augers. Uses of hollow-stem auger drilling methods for geotechnical exploration are addressed in Test Method . Samples recovered from this standard are considered as belonging to Group A or B in accordance with D4220. The samples are disturbed and can generally be used for classification testing ( , ), determination of compaction characteristics ( , ), or any other standard that requires bulk samples. For obtaining intact samples use of thin-walled sample tubes ( ) in conjunction with fluid rotary drilling ( ) or hollow-stem augers ( ) may be considered.
1.2 This practice does not include considerations for geoenvironmental site characteristics and installation of monitoring wells which are discussed in Guide .
1.3 The values stated in either inch-pound units or SI units presented in brackets are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard
1.4 All observed and calculated values shall conform to the guidelines for significant digits and rounding established in Practice unless superseded by this method.
1.5 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 limitations prior to use.
1.6 This practice offers a set of instructions for performing one or more specific operations. This document cannot replace education or experience and should be used in conjunction with professional judgment. Not all aspects of this practice may be applicable in all circumstances. This ASTM standard is not intended to represent or replace the standard of care by which the adequacy of a given professional service must be judged, nor should this document be applied without consideration of a project's many unique aspects. The word “Standard” in the title of this document means only that the document has been approved through the ASTM consensus process.
ICS Number Code 93.020 (Earth works. Excavations. Foundation construction. Underground works)
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ASTM D1452 / D1452M-16, Standard Practice for Soil Exploration and Sampling by Auger Borings, ASTM International, West Conshohocken, PA, 2016, www.astm.orgBack to Top