ImageVerifierCode 换一换
格式:PDF , 页数:4 ,大小:78.67KB ,
资源ID:181450      下载积分:12 积分
快捷下载
登录下载
邮箱/手机:
温馨提示:
快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。 如填写123,账号就是123,密码也是123。
特别说明:
请自助下载,系统不会自动发送文件的哦; 如果您已付费,想二次下载,请登录后访问:我的下载记录
支付方式: 支付宝扫码支付 微信扫码支付   
验证码:   换一换

加入VIP,免费下载
 

温馨提示:由于个人手机设置不同,如果发现不能下载,请复制以下地址【https://www.wnwk.com/docdown/181450.html】到电脑端继续下载(重复下载不扣费)。

已注册用户请登录:
账号:
密码:
验证码:   换一换
  忘记密码?
三方登录: QQ登录  

下载须知

1: 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。
2: 试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。
3: 文件的所有权益归上传用户所有。
4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
5. 本站仅提供交流平台,并不能对任何下载内容负责。
6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

版权提示 | 免责声明

本文(ASTM_D_4044_-_D_4044M_-_15.pdf)为本站会员(益****师)主动上传,蜗牛文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知蜗牛文库(发送邮件至admin@wnwk.com或直接QQ联系客服),我们立即给予删除!

ASTM_D_4044_-_D_4044M_-_15.pdf

1、Designation:D4044/D4044M15Standard Test Method for(Field Procedure)for Instantaneous Change in Head(Slug)Tests for Determining Hydraulic Properties of Aquifers1This standard is issued under the fixed designation D4044/D4044M;the number immediately following the designation indicates theyear of origi

2、nal 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 test method covers the field procedure for perform-ing an in situ

3、 instantaneous change in head(slug)test.1.2 This test method is used in conjunction with an analyti-cal procedure such as Test Method D4104 to data analysis andto determine aquifer properties.1.3 UnitsThe values stated in either SI Units or inch-pound units are to be regarded separately as standard.

4、Thevalues in each system may not be exact equivalents;thereforeeach system shall be used independently of the other.Combin-ing values from the two systems may result in non-conformance with the standard.Reporting of test results inunits other than SI shall not be regarded as nonconformancewith this

5、test method.1.4 All observed and calculated values shall conform to theguidelines for significant digits and rounding established inPractice D6026.1.4.1 The procedures used to specify how data are collected/recorded and calculated in the standard are regarded as theindustry standard.In addition,they

6、 are representative of thesignificant digits that generally should be retained.The proce-dures used do not consider material variation,purpose forobtaining the data,special purpose studies,or any consider-ations for the users objectives;and it is common practice toincrease or reduce significant digi

7、ts of reported data to becommensurate with these considerations.It is beyond the scopeof these test methods to consider significant digits used inanalysis methods for engineering data.1.5 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresp

8、onsibility 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.2.Referenced Documents2.1 ASTM Standards:2D653 Terminology Relating to Soil,Rock,and ContainedFluidsD3740 Practice for Minimum Require

9、ments for AgenciesEngaged in Testing and/or Inspection of Soil and Rock asUsed in Engineering Design and ConstructionD4043 Guide for Selection of Aquifer Test Method inDetermining Hydraulic Properties by Well TechniquesD4104 Test Method(Analytical Procedure)for DeterminingTransmissivity of Nonleaky

10、Confined Aquifers by Over-damped Well Response to Instantaneous Change in Head(Slug Tests)D5785 Test Method for(Analytical Procedure)for Deter-mining Transmissivity of Confined Nonleaky Aquifers byUnderdamped Well Response to Instantaneous Change inHead(Slug Test)D5881 Test Method for(Analytical Pro

11、cedure)DeterminingTransmissivity of Confined Nonleaky Aquifers by Criti-cally Damped Well Response to Instantaneous Change inHead(Slug)D5912 Test Method for(Analytical Procedure)DeterminingHydraulic Conductivity of an Unconfined Aquifer byOverdamped Well Response to Instantaneous Change inHead(Slug)

12、(Withdrawn 2013)3D6026 Practice for Using Significant Digits in GeotechnicalData3.Terminology3.1 Definitions:3.1.1 For definitions of common technical terms used in thisstandard,refer to Terminology D653.4.Summary of Test Method4.1 This test method describes the field procedures involvedin conductin

13、g an instantaneous head(slug)test.The slug test1This test method is under the jurisdiction ofASTM Committee D18 on Soil andRock and is the direct responsibility of Subcommittee D18.21 on Groundwater andVadose Zone Investigations.Current edition approved Sept.1,2015.Published September 2015.Originall

14、yapproved in 1991.Last previous edition approved in 2008 as D4044 96(2008).DOI:10.1520/D4044_D4044M-15.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Docu

15、ment Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 meth

16、od involves causing a sudden change in head in a controlwell and measuring the water level response within that controlwell.Head change may be induced by suddenly injecting orremoving a known quantity or“slug”of water into the well,rapid removal of a mechanical“slug”from below the waterlevel,increasing or decreasing the air pressure in the wellcasing,or emplacement of a mechanical slug into the watercolumn.4.2 The water-level response in the well is a function of themass of water in the well and

copyright@ 2008-2023 wnwk.com网站版权所有

经营许可证编号:浙ICP备2024059924号-2