ASTM D5784-1995(2006) Standard Guide for Use of Hollow-Stem Augers for Geoenvironmental Exploration and the Installation of Subsurface Water-Quality Monitoring Devices《亚表层水质检测装置安装和.pdf
《ASTM D5784-1995(2006) Standard Guide for Use of Hollow-Stem Augers for Geoenvironmental Exploration and the Installation of Subsurface Water-Quality Monitoring Devices《亚表层水质检测装置安装和.pdf》由会员分享,可在线阅读,更多相关《ASTM D5784-1995(2006) Standard Guide for Use of Hollow-Stem Augers for Geoenvironmental Exploration and the Installation of Subsurface Water-Quality Monitoring Devices《亚表层水质检测装置安装和.pdf(7页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: D 5784 95 (Reapproved 2006)Standard Guide forUse of Hollow-Stem Augers for GeoenvironmentalExploration and the Installation of Subsurface Water-QualityMonitoring Devices1This standard is issued under the fixed designation D 5784; the number immediately following the designation indicate
2、s the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This guide covers how hollow-stem auger-drill
3、ing sys-tems may be used for geoenvironmental exploration andinstallation of subsurface water-quality monitoring devices.1.2 Hollow-stem auger drilling for geoenvironmental explo-ration and monitoring device installations often involves safetyplanning, administration, and documentation. This guide d
4、oesnot purport to specifically address exploration and site safety.NOTE 1This guide does not include considerations for geotechnicalsite that are addressed in a separate Guide.1.3 The values stated in SI units are to be regarded as thestandard. The inch-pound units given in parentheses are forinform
5、ation only.1.4 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.1.5
6、This guide offers an organized collection of informationor a series of options and does not recommend a specificcourse of action. This document cannot replace education orexperience and should be used in conjunction with professionaljudgment. Not all aspects of this guide may be applicable in allcir
7、cumstances. This ASTM standard is not intended to repre-sent or replace the standard of care by which the adequacy ofa given professional service must be judged, nor should thisdocument be applied without consideration of a projects manyunique aspects. The word “Standard” in the title of thisdocumen
8、t means only that the document has been approvedthrough the ASTM consensus process.2. Referenced Documents2.1 ASTM Standards:2D 653 Terminology Relating to Soil, Rock, and ContainedFluidsD 1452 Practice for Soil Investigation and Sampling byAuger BoringsD 1586 Test Method for Penetration Test and Sp
9、lit-BarrelSampling of SoilsD 1587 Practice for Thin-Walled Tube Sampling of Soilsfor Geotechnical PurposesD2113 Practice for Rock Core Drilling and Sampling ofRock for Site InvestigationD 2487 Practice for Classification of Soils for EngineeringPurposes (Unified Soil Classification System)D 2488 Pra
10、ctice for Description and Identification of Soils(Visual-Manual Procedure)D 3550 Practice for Thick Wall, Ring-Lined, Split Barrel,Drive Sampling of SoilsD 4428/D 4428M Test Methods for Crosshole Seismic Test-ingD 5088 Practices for Decontamination of Field EquipmentUsed at Waste SitesD 5092 Practic
11、e for Design and Installation of GroundWater Monitoring WellsD 5099 Test Methods for RubberMeasurement of Pro-cessing Properties Using Capillary RheometryD 5434 Guide for Field Logging of Subsurface Explora-tions of Soil and Rock3. Terminology3.1 Definitions:3.1.1 Terminology used within this guide
12、is in accordancewith Terminology D 653. Definitions of additional terms maybe found in Terminology D 653.3.2 Definitions of Terms Specific to This Standard:1This guide is under the jurisdiction ofASTM Committee D18 on Soil and Rockand is the direct responsibility of Subcommittee D18.21 on Ground Wat
13、er andVadose Zone Investigations.Current edition approved July 1, 2006. Published July 2006. Originally approvedin 1995. Last previous edition approved ni 2000 as D 5784 95 (2000).2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org
14、. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.3.2.1 bentonitethe common name for drilling fluid addi-tives and w
15、ell-construction products consisting mostly ofnaturally occurring montmorillonite. Some bentonite productshave chemical additives that may affect water-quality analyses.3.2.2 bentonite granules and chipsirregularly shaped par-ticles of bentonite (free from additives) that have been driedand separate
16、d into a specific size range.3.2.3 bentonite pelletsroughly spherical- or disk-shapedunits of compressed bentonite powder (some pellet manufac-turers coat the bentonite with chemicals that may affect thewater-quality analysis).3.2.4 coeffcient of uniformity Cu(D), the ratio D60/D10,where D60is the p
17、article diameter corresponding to 60 % fineron the cumulative particle-size distribution curve, and D10isthe particle diameter corresponding to 10 % finer on thecumulative particle-size distribution curve.3.2.5 continuous-sampling devicesbarrel-type samplersthat fit within the lead auger of the holl
18、ow-auger column. Thesampler barrel fills with material as the augers advance.3.2.6 drill holea cylindrical hole advanced into the sub-surface by mechanical means. Also known as borehole orboring.3.2.7 drawworksa power-driven winch, or severalwinches, usually equipped with a clutch and brake system(s
19、)for hoisting or lowering a drilling string.3.2.8 filter packalso known as a gravel pack or a primaryfilter pack in the practice of monitoring-well installations. Thegravel pack is usually granular material, having specifiedgrain-size characteristics, that is placed between a monitoringdevice and th
20、e borehole wall. The basic purpose of the filterpack or gravel envelope is to act as: (1) a nonclogging filterwhen the aquifer is not suited to natural development or, (2) actas a formation stabilizer when the aquifer is suitable for naturaldevelopment.3.2.8.1 DiscussionUnder most circumstances a cl
21、ean,quartz sand or gravel should be used. In some cases apre-packed screen may be used.3.2.9 fluid-injection devicesusually consist of various au-ger components or drill-rig attachments that may be used toinject a fluid within a hollow-auger column during drilling.3.2.10 grout packeran inflatable or
22、 expandable annularplug that is attached to a tremie pipe, usually positionedimmediately above the discharge end of the pipe.3.2.11 grout shoea drillable plug containing a check valvethat is positioned within the lowermost section of a casingcolumn. Grout is injected through the check valve to fill
23、theannular space between the casing and the borehole wall oranother casing.3.2.11.1 DiscussionThe composition of the drillable plugshould be known and documented.3.2.12 hoisting lineor drilling line, is wire rope used onthe drawworks to hoist and lower the drill string.3.2.13 in situ testing devices
24、sensors or probes, used toobtain mechanical or chemical-test data, that are typicallypushed, rotated, or driven below the bottom of a boreholefollowing completion of an increment of drilling. However,some in situ testing devices (such as electronic pressuretransducers, gas-lift samplers, tensiometer
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