BS EN 1997-2-2007 Eurocode 7 Geotechnical design Ground investigation and testing《欧洲法规7 土工设计 土地勘测和测试》.pdf
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1、BRITISH STANDARD BS EN1997-2:2007Eurocode 7 Geotechnical design Part 2: Ground investigation andtestingICS 91.010.30; 93.020g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g5
2、3g44g42g43g55g3g47g36g58Incorporating corrigendum June 2010National forewordThis British Standard is the UK implementation of EN 1997-2:2007, incorporating corrigendum June 2010. It supersedes DD ENV 1997-2:2000 and DD ENV 1997-3:2000 which are withdrawn. It partially supersedes BS 5930:1999 and BS
3、1377-9:1990.The start and finish of text introduced or altered by corrigendum is indicated in the text by tags. Text altered by CEN corrigendum June 2010 is indicated in the text by .The structural Eurocodes are divided into packages by grouping Eurocodes for each of the main materials: concrete, st
4、eel, composite concrete and steel, timber, masonry and aluminium; this is to enable a common date of withdrawal (DOW) for all the relevant parts that are needed for a particular design. The conflicting national standards will be withdrawn at the end of the coexistence period, after all the EN Euroco
5、des of a package are available.Following publication of the EN, there is a period allowed for national calibration during which the National Annex is issued, followed by a coexistence period of a maximum three years. During the coexistence period Member States are encouraged to adapt their national
6、provisions. At the end of this coexistence period, the conflicting parts of national standard(s) will be withdrawn.In the UK, the primary corresponding national standard is: BS 5930:1999, Code of practice for site investigations and based on this transition period, this standard will be withdrawn/re
7、vised on a date to be announced, but at the latest by March 2010. For in-situ testing, the primary test method references in BS EN 1997-2:2007 are to new CEN/ISO standards and this will require the withdrawal of some sections of BS 1377-9:1990, Methods of test for soils for civil engineering purpose
8、s In-situ tests, as well as parts of BS 5930:1999 as they are published.For laboratory testing, many of the primary test method references in BS EN 1997-2:2007 are new CEN/ISO technical specifications. These will not be adopted in the UK and the standards below will continue to be the preferred stan
9、dards. BS 1377-1:1990, Methods of test for soils for civil engineering purposes General requirements and sample preparation BS 1377-2:1990, Methods of test for soils for civil engineering purposes Classification tests BS EN 1997-2:2007This British Standard was published under the authority of the St
10、andards Policy and Strategy Committee on 30 April 2007 BSI 2010Amendments/corrigenda issued since publicationDate Comments 31 October 2010 Implementation of CEN corrigendum June 2010ISBN 978 0 580 71872 4BS EN 1997-2:2007i BS 1377-3:1990, Methods of test for soils for civil engineering purposes Chem
11、ical and electro-chemical tests BS 1377-4:1990, Methods of test for soils for civil engineering purposes Compaction-related tests BS 1377-5:1990, Methods of test for soils for civil engineering purposes Compressibility, permeability and durability tests BS 1377-6:1990, Methods of test for soils for
12、civil engineering purposes Consolidation and permeability tests in hydraulic cells and with pore pressure measurement BS 1377-7:1990, Methods of test for soils for civil engineering purposes Shear strength tests (total stress) BS 1377-8:1990, Methods of test for soils for civil engineering purposes
13、Shear strength tests (effective stress)Further guidance will be given in the National Annex to EN 1997-2.The UK participation in its preparation was entrusted to Technical Committee B/526, Geotechnics.A list of organizations represented on this committee can be obtained on request to its secretary.W
14、here a normative part of this EN allows for a choice to be made at the national level, the range and possible choice will be given in the normative text, and a note will qualify it as a Nationally Determined Parameter (NDP). NDPs can be a specific value for a factor, a specific level or class, a par
15、ticular method or a particular application rule if several are proposed in the EN.To enable EN 1997-2 to be used in the UK, the NDPs will be published in a National Annex, which will be made available by BSI in due course, after public consultation has taken place.This publication does not purport t
16、o include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.blankEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORMEN 1997-2March 2007ICS 91.060.01; 91.120.20 Supersedes ENV 19
17、97-2:1999, ENV 1997-3:1999 English VersionEurocode 7 - Geotechnical design - Part 2: Ground investigation and testingEurocode 7 - Calcul gotechnique - Partie 2: Reconnaissance des terrains et essaisEurocode 7 - Entwurf, Berechnung und Bemessung in der Geotechnik - Teil 2: Erkundung und Untersuchung
18、desBaugrundsThis European Standard was approved by CEN on 12 June 2006.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 standard without any alteration. Up-to-date lists and bibliograph
19、ical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CE
20、N member into its own language and notified to the CEN Management Centre has the same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, It
21、aly, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-10
22、50 Brussels 2007 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members.Ref. No. EN 1997-2:2007: EIncorporating corrigendum June 2010Contents Page Foreword 7 Section 1 General 10 1.1 Scope 10 1.1.1 Scope of Eurocode 7 . 10 1.1.2 Scope of EN 1997-2 10
23、1.2 Normative references 11 1.3 Assumptions . 12 1.4 Distinction between Principles and Application Rules 12 1.5 Definitions 13 1.5.1 Terms common to all Eurocodes 13 1.5.2 Terms common to Eurocode 7 13 1.5.3 Specific definitions used in EN 1997-2 13 1.6 Test results and derived values. 14 1.7 The l
24、ink between EN 1997-1 and EN 1997-2 15 Section 2 Planning of ground investigations 20 2.1 Objectives . 20 2.1.1 General 20 2.1.2 Ground 21 2.1.3 Construction materials 22 2.1.4 Groundwater . 22 2.2 Sequence of ground investigations . 22 2.3 Preliminary investigations 23 2.4 Design investigations 24
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