ASTM D5784 D5784M-2018 red 6250 Standard Guide for Use of Hollow-Stem Augers for Geoenvironmental Exploration and the Installation of Subsurface Water Quality Monitoring Devices.pdf
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1、Designation: D5784/D5784M 13D5784/D5784M 18Standard Guide forUse of Hollow-Stem Augers for GeoenvironmentalExploration and the Installation of Subsurface Water-QualityWater Quality Monitoring Devices1This standard is issued under the fixed designation D5784/D5784M; the number immediately following t
2、he designation indicates theyear of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of lastreapproval. A superscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This guide covers how
3、hollow-stem auger-drilling systems may be used for geoenvironmental exploration and installationof subsurface water-quality water quality monitoring devices.1.2 Hollow-stem auger drilling for geoenvironmental exploration and monitoring device installations often involves safetyplanning, administrati
4、on, and documentation. This guide does not purport to specifically address exploration and site safety.NOTE 1This guide does not include considerations for geotechnical site characterizations that are addressed in a separate guide.1.3 The values stated in either SI units or inch-pound units are to b
5、e regarded separately as standard. The values stated in eachsystem may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from thetwo systems may result in non-conformance with the standard.1.4 This standard does not purport to address all of
6、the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety safety, health, and healthenvironmental practices and determine theapplicability of regulatory limitations prior to use.1.5 This guide offers an organized collec
7、tion of information or a series of options and does not recommend a specific courseof 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
8、not intended to represent or replacethe standard of care by which the adequacy of a given professional service must be judged, nor should this document be appliedwithout consideration of a projects many unique aspects. The word “Standard” in the title of this document means only that thedocument has
9、 been approved through the ASTM consensus process.1.6 This international standard was developed in accordance with internationally recognized principles on standardizationestablished in the Decision on Principles for the Development of International Standards, Guides and Recommendations issuedby the
10、 World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2D653 Terminology Relating to Soil, Rock, and Contained FluidsD1452 Practice for Soil Exploration and Sampling by Auger BoringsD1586 Test Method for Standard Penetration Test (SPT) and Spl
11、it-Barrel Sampling of SoilsD1587 Practice for Thin-Walled Tube Sampling of Fine-Grained Soils for Geotechnical PurposesD2113 Practice for Rock Core Drilling and Sampling of Rock for Site ExplorationD2487 Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification Syste
12、m)D2488 Practice for Description and Identification of Soils (Visual-Manual Procedures)D3550 Practice for Thick Wall, Ring-Lined, Split Barrel, Drive Sampling of SoilsD3740 Practice for Minimum Requirements for Agencies Engaged in Testing and/or Inspection of Soil and Rock as Used inEngineering Desi
13、gn and Construction1 This guide is under the jurisdiction of ASTM Committee D18 on Soil and Rock and is the direct responsibility of Subcommittee D18.21 on Groundwater and VadoseZone Investigations.Current edition approved Aug. 1, 2013June 1, 2018. Published October 2013July 2018. Originally approve
14、d in 1995. Last previous edition approved in 20062013 asD5784 95 (2006).D5784 13. DOI: 10.1520/D5784_D5784M-13.10.1520/D5784_D5784M-18.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume info
15、rmation, refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately d
16、epict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end of this standardCopyright ASTM Internat
17、ional, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1D4428/D4428M Test Methods for Crosshole Seismic TestingD5088 Practice for Decontamination of Field Equipment Used at Waste SitesD5092 Practice for Design and Installation of Groundwater Monitoring WellsD5099 T
18、est Methods for RubberMeasurement of Processing Properties Using Capillary RheometryD5434 Guide for Field Logging of Subsurface Explorations of Soil and RockD5521 Guide for Development of Groundwater Monitoring Wells in Granular AquifersD6151 Practice for Using Hollow-Stem Augers for Geotechnical Ex
19、ploration and Soil Sampling3. Terminology3.1 Definitions:3.1.1 For definitions of general terms, refer to Terminology D653.3.1 DefinitionsFor definitions of general termsused within this standard, refer to Terminology D653.3.2 Definitions of Terms Specific to This Standard:3.2.1 bentonitethe common
20、name for drilling fluid additives and well-construction products consisting mostly of naturallyoccurring montmorillonite. Some bentonite products have chemical additives that may affect water-quality analyses.3.2.2 bentonite granules and chipsirregularly shaped particles of bentonite (free from addi
21、tives) that have been dried andseparated into a specific size range.3.2.3 bentonite pelletsroughly spherical- or disk-shaped units of compressed bentonite powder (some pellet manufacturerscoat the bentonite with chemicals that may affect the water-quality analysis).3.2.4 continuous-sampling devicesb
22、arrel-type samplers that fit within the lead auger of the hollow-auger column. The samplerbarrel fills with material as the augers advance.3.2.5 drill holea cylindrical hole advanced into the subsurface by mechanical means. Also known as borehole or boring.3.2.6 drawworksa power-driven winch, or sev
23、eral winches, usually equipped with a clutch and brake system(s) for hoistingor lowering a drilling string.3.2.7 filter packalso known as a gravel pack or a primary filter pack in the practice of monitoring-well installations.The gravelpack is usually granular material, having specified grain-size c
24、haracteristics, that is placed between a monitoring device and theborehole wall. The basic purpose of the filter pack or gravel envelope is to act as: (1) a nonclogging filter when the aquifer is notsuited to natural development or, (2) act as a formation stabilizer when the aquifer is suitable for
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