ImageVerifierCode 换一换
格式:PDF , 页数:36 ,大小:1.54MB ,
资源ID:581758      下载积分:10000 积分
快捷下载
登录下载
邮箱/手机:
温馨提示:
如需开发票,请勿充值!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   
注意:如需开发票,请勿充值!
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【http://www.mydoc123.com/d-581758.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: 微信登录  

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(BS EN ISO 22282-2-2012 Geotechnical investigation and testing Geohydraulic testing Water permeability tests in a borehole using open systems《岩土工程勘察和试验 地液压试验 用开放系统在钻孔中进行渗水性试验》.pdf)为本站会员(confusegate185)主动上传,麦多课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,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

BS EN ISO 22282-2-2012 Geotechnical investigation and testing Geohydraulic testing Water permeability tests in a borehole using open systems《岩土工程勘察和试验 地液压试验 用开放系统在钻孔中进行渗水性试验》.pdf

1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN ISO 22282-2:2012Geotechnical investigation and testing Geohydraulic testingPart 2: Water permeability tests in a borehole using open systemsBS EN ISO 22282-2:2012 BRITISH S

2、TANDARDNational forewordThis British Standard is the UK implementation of EN ISO 22282-2:2012. Together with parts 1, 3, 4, 5, and 6 of BS EN ISO 22282, it partially supersedes BS 5930:1999+A2:2010,which is currently being revised in order to remove conflicting material.In the meantime, where confli

3、ct arises between these documents, theprovisions of BS EN ISO 22282-2:2012 take precedence.The test given in this standard is included in BS 5930:1999+A2:2010(Clause 25.4), and conflicting parts are now withdrawn.The UK participation in its preparation was entrusted by Technical Committee B/526, Geo

4、technics, to Subcommittee B/526/3,Site investigation and ground testing.A list of organizations represented on this subcommittee can beobtained on request to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct ap

5、plication. The British Standards Institution 2012.Published by BSI Standards Limited 2012.ISBN 978 0 580 76151 5ICS 91.010.30; 93.020Compliance with a British Standard cannot confer immunityfrom legal obligations.This British Standard was published under the authority of theStandards Policy and Stra

6、tegy Committee on 31 October 2012.Amendments/corrigenda issued since publicationDate Text affected EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 22282-2 June 2012 ICS 93.020 English Version Geotechnical investigation and testing - Geohydraulic testing - Part 2: Water permeability tests in

7、 a borehole using open systems (ISO 22282-2:2012) Reconnaissance et essais gotechniques - Essais gohydrauliques - Partie 2: Essais de permabilit leau dans un forage en tube ouvert (ISO 22282-2:2012) Geotechnische Erkundung und Untersuchung - Geohydraulische Versuche - Teil 2: Wasserdurchlssigkeitsve

8、rsuche in einem Bohrloch unter Anwendung offener Systeme (ISO 22282-2:2012) This European Standard was approved by CEN on 31 May 2012. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national s

9、tandard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version i

10、n any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech

11、Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMI

12、T EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 22282-2:2012: EBS EN ISO 22282-2:2012 EN ISO 22282-2:2012 (E) 3

13、 Foreword This document (EN ISO 22282-2:2012) has been prepared by Technical Committee CEN/TC 341 “Geotechnical Investigation and Testing“, the secretariat of which is held by ELOT, in collaboration with Technical Committee ISO/TC 182 “Geotechnics“. This European Standard shall be given the status o

14、f a national standard, either by publication of an identical text or by endorsement, at the latest by December 2012, and conflicting national standards shall be withdrawn at the latest by December 2012. Attention is drawn to the possibility that some of the elements of this document may be the subje

15、ct of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bul

16、garia, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN ISO

17、 22282-2:2012ISO 22282-2:2012(E) ISO 2012 All rights reserved iiiContents PageForeword iv1 Scope 12 Normative references . 13 Terms, definitions and symbols 13.1 Terms and definitions . 13.2 Symbols . 14 Test principle 25 Equipment . 26 Test procedure . 36.1 Preparation of a test section 36.2 Conduc

18、ting the test 97 Test results 107.1 Constant flow rate test method .107.2 Variable head test method 107.3 Constant head test method 118 Reports . 118.1 Field report 118.2 Test report .12Annex A (informative) Example of record of measured values and test results .13Annex B (informative) Interpretatio

19、n of test results 14Bibliography .27BS EN ISO 22282-2:2012ISO 22282-2:2012(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO

20、technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates clo

21、sely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.The main task of technical committees is to prepare International Standards. Draft

22、 International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.Attention is drawn to the possibility that some of the elements of this documen

23、t may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights.ISO 22282-2 was prepared by the European Committee for Standardization (CEN) Technical Committee CEN/TC 341, Geotechnical investigation and testing, in collaboration with Technical

24、Committee ISO/TC 182, Geotechnics, Subcommittee SC 1, Geotechnical investigation and testing, in accordance with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement).ISO 22282 consists of the following parts, under the general title Geotechnical investigation and testing Geo

25、hydraulic testing: Part 1: General rules Part 2: Water permeability tests in a borehole using open systems Part 3: Water pressure tests in rock Part 4: Pumping tests Part 5: Infiltrometer tests Part 6: Water permeability tests in a borehole using closed systemsiv ISO 2012 All rights reservedBS EN IS

26、O 22282-2:2012ISO 22282-2:2012(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body inter

27、ested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical

28、 Commission (IEC) on all matters of electrotechnical standardization.International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the tech

29、nical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO s

30、hall not be held responsible for identifying any or all such patent rights.ISO 22282-2 was prepared by the European Committee for Standardization (CEN) Technical Committee CEN/TC 341, Geotechnical investigation and testing, in collaboration with Technical Committee ISO/TC 182, Geotechnics, Subcommit

31、tee SC 1, Geotechnical investigation and testing, in accordance with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement).ISO 22282 consists of the following parts, under the general title Geotechnical investigation and testing Geohydraulic testing: Part 1: General rules Par

32、t 2: Water permeability tests in a borehole using open systems Part 3: Water pressure tests in rock Part 4: Pumping tests Part 5: Infiltrometer tests Part 6: Water permeability tests in a borehole using closed systemsiv ISO 2012 All rights reservedBS EN ISO 22282-2:2012INTERNATIONAL STANDARD ISO 222

33、82-2:2012(E)Geotechnical investigation and testing Geohydraulic testing Part 2: Water permeability tests in a borehole using open systems1 ScopeThis part of ISO 22282 specifies requirements for the determination of the local permeability in soils and rocks below and above groundwater level in an ope

34、n hole by water permeability tests as part of the geotechnical investigation services according to EN 1997-1 and EN 1997-2.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undate

35、d references, the latest edition of the referenced document (including any amendments) applies.ISO 14688-1, Geotechnical investigation and testing Identification and classification of soil Part 1: Identification and descriptionISO 14689-1, Geotechnical investigation and testing Identification and cl

36、assification of rock Part 1: Identification and descriptionISO 22282-1: 2011, Geotechnical investigation and testing Geohydraulic testing Part 1: General rulesISO 22475-1, Geotechnical investigation and testing Sampling methods and groundwater measurements Part 1: Technical principles for execution3

37、 Terms, definitions and symbols3.1 Terms and definitionsFor the purposes of this document, the terms and definitions given in ISO 22475-1 and ISO 22282-1 apply.3.2 SymbolsFor the purposes of this document, the symbols given in Table 1 apply. ISO 2012 All rights reserved 1BS EN ISO 22282-2:2012ISO 22

38、282-2:2012(E)Table 1 SymbolsSymbol Designation UnitAcarea of the inner cross-section of the casing m2Ararea of the water surface in the reservoir m2D borehole diameter, diameter of the test section mF shape factor mh hydraulic head of the test mh1, h2, h3applied hydraulic heads mhodistance of the wa

39、ter level from the ground level mh change in hydraulic head mk permeability coefficient m/skfsfield saturated permeability coefficient m/sL length (height) of the test section mQ flow rate m3/sr radius S storage coefficient T transmissivity titime needed to reach the equilibrium st time stotime at s

40、tart of test sVvolume flow rate4 Test principleThe test is based on the assumption that the test section is isolated and located above or below the groundwater surface.The results can vary depending on the test type chosen (water withdrawal or injection) according to the purpose of the test. Three t

41、est methods are available:a) Constant flow rate test method (suitable for k-value greater than 106m/s)This test consists of producing a change in hydraulic head in a section of a borehole by injecting or withdrawing a constant flow rate. The change in hydraulic head is measured against time.b) Varia

42、ble head test method (suitable for k-value between 106m/s and 109m/s)This test consists of producing an instant change in hydraulic head in a section of a borehole. The change in hydraulic head is measured against time.c) Constant head test method (suitable for k-value between 104m/s and 107m/s)This

43、 test consists of maintaining a constant hydraulic head in a section of a borehole. The flow rate is measured against time.5 EquipmentIn addition to a casing or a piezometer, the following equipment is necessary:a) water supply or plain rod for the falling head test;2 ISO 2012 All rights reservedBS

44、EN ISO 22282-2:2012ISO 22282-2:2012(E)Table 1 SymbolsSymbol Designation UnitAcarea of the inner cross-section of the casing m2Ararea of the water surface in the reservoir m2D borehole diameter, diameter of the test section mF shape factor mh hydraulic head of the test mh1, h2, h3applied hydraulic he

45、ads mhodistance of the water level from the ground level mh change in hydraulic head mk permeability coefficient m/skfsfield saturated permeability coefficient m/sL length (height) of the test section mQ flow rate m3/sr radius S storage coefficient T transmissivity titime needed to reach the equilib

46、rium st time stotime at start of test sVvolume flow rate4 Test principleThe test is based on the assumption that the test section is isolated and located above or below the groundwater surface.The results can vary depending on the test type chosen (water withdrawal or injection) according to the pur

47、pose of the test. Three test methods are available:a) Constant flow rate test method (suitable for k-value greater than 106m/s)This test consists of producing a change in hydraulic head in a section of a borehole by injecting or withdrawing a constant flow rate. The change in hydraulic head is measu

48、red against time.b) Variable head test method (suitable for k-value between 106m/s and 109m/s)This test consists of producing an instant change in hydraulic head in a section of a borehole. The change in hydraulic head is measured against time.c) Constant head test method (suitable for k-value betwe

49、en 104m/s and 107m/s)This test consists of maintaining a constant hydraulic head in a section of a borehole. The flow rate is measured against time.5 EquipmentIn addition to a casing or a piezometer, the following equipment is necessary:a) water supply or plain rod for the falling head test;2 ISO 2012 All rights reservedBS EN ISO 22282-2:2012ISO 22282-2:2012(E)b) pump or bail system for the rising head test;c) device to determine the flow rate with an accuracy of 5 % of the mea

copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
备案/许可证编号:苏ICP备17064731号-1