ASTM-D5753 › Standard Guide for Planning and Conducting Geotechnical Borehole Geophysical Logging
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Scope
1.1 Purpose and Application:
1.1.1 This guide covers the documentation and general procedures necessary to plan and conduct a geophysical borehole logging program as commonly applied to geologic, engineering, groundwater, and environmental (hereafter referred to as geotechnical) site characterizations.
1.1.2 This guide applies to commonly used logging methods (see Tables 1 and 2) for geotechnical site characterizations.
1.1.3 This guide provides an overview of the following:
(1) the uses of single borehole geophysical methods,
(2) general logging procedures,
(3) documentation,
(4) calibration, and
(5) factors that can affect the quality of borehole geophysical logs and their subsequent interpretation. Log interpretation is very important, but specific methods are too diverse to be described in this guide.
1.1.4 Logging procedures must be adapted to meet the needs of a wide range of applications and stated in general terms so that flexibility or innovation are not suppressed.
1.1.5 To obtain detailed information on operating methods, publications (for example, 1, 2, 3, 4, 5, 6, 7, 8, and 9)2 should be consulted. A limited amount of tutorial information is provided, but other publications listed herein, including a glossar y of terms and general texts on the subject, should be consulted for more complete background information.
1.2 Limitations:
1.2.1 This guide is not meant to describe the specific or standard procedures for running each type of geophysical log, and is limited to measurements in a single borehole.
1.2.2 Surface or shallow-depth nuclear gages for measuring water content or soil density (that is, those typically thought of as construction quality assurance devices), measurements while drilling (MWD), cone penetrometer tests, and logging for petroleum or minerals are excluded.
1.2.3 This guide offers an organized collection of information or a series of options and does not recommend a specific course of action. This document cannot replace education or experience and should be used in conjunction with professional judgment. Not all aspects of this guide 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.
1.3 Precautions:
1.3.1 If the method is used at sites with hazardous materials, operations, or equipment, it is the responsibility of the user of this guide to establish appropriate safety and health practices, and to determine the applicability of regulations prior to use.
1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Significance and Use
5.1 An appropriately developed, documented, and executed guide is essential for the proper collection and application of borehole geophysical logs.
5.2 Borehole geophysical techniques yield direct and indirect measurements with depth of the (1) physical, lithologic, mechanical, stresses, hydrologic, discontinuities, and chemical properties of the rock matrix and/or fluid around the borehole, (2) fluid contained in the borehole, and (3) construction of the borehole.
5.3 The benefits of its use include improving the following:
5.3.1 Selection of logging methods and equipment,
5.3.2 Log quality and reliability, and
5.3.3 Usefulness of the log data for subsequent display and interpretation.
Keywords
acoustic logging; acoustic televiewer; borehole geophysics; borehole video; caliper logging; chemical properties and physical properties; deviation; electric logging; environmental; fluid conductivity/resistivity logging; fluid logging; gamma logging; gamma-gamma logging; geology; geophysics; geotechnical; groundwater; hydrology; induction logging; log calibration and standardization; log headings; neutron logging; nuclear logging; resistivity logging; singlepoint resistance logging; spontaneous potential logging; temperature logging; well logging;; ICS Number Code 93.020 (Earth works. Excavations. Foundation construction. Underground works)
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04.08 (Soil and Rock (I): D420 - D5876)
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Document Number
ASTM-D5753-18
Revision Level
2018 EDITION
Status
Current
Modification Type
Revision with Title Change
Publication Date
Feb. 1, 2018
Document Type
Guide
Page Count
10 pages
Committee Number
D18.01