CEN/TC 250/SC 7 N 1508 CEN/TC 250/SC 7 Eurocode 7 - Geotechnical design Email of secretary: [email protected] Secretariat: NEN (Netherlands) pr EN1997-3 MASTER v2021.40 Submission Document type: Other committee document Date of document: 2021-05-03 Expected action: INFO Background: Committee URL: https://cen.iso.org/livelink/livelink/open/centc250sc7 CEN/TC 250 Date: 2021-04 prEN 1997-3:202x CEN/TC 250 Secretariat: NEN Eurocode 7: Geotechnical design — Part 3: Geotechnical structures Eurocode 7 - Entwurf, Berechnung und Bemessung in der Geotechnik — Teil 3: Geotechnische Bauten Eurocode 7 - Calcul géotechnique — Partie 3: Constructions géotechniques ICS: Descriptors: Document type: European Standard Document subtype: Working Document Document stage: v4 31/10/2019 Document language: E prEN 1997-3:202x (E) Contents Page 0 Introduction ............................................................................................................................................ 9 0.1 Introduction to the Eurocodes ......................................................................................................... 9 0.2 Introduction to EN 1997 Eurocode 7 .............................................................................................. 9 0.3 Introduction to EN 1997-3 ................................................................................................................. 9 0.4 Verbal forms used in the Eurocodes ............................................................................................10 0.5 National annex for EN 1997-3 .........................................................................................................10 1 Scope ........................................................................................................................................................12 1.1 Scope of EN 1997-3 .............................................................................................................................12 1.2 Assumptions ..........................................................................................................................................12 2 Normative references ........................................................................................................................13 3 Terms, definitions, and symbols ....................................................................................................14 3.1 Terms and definitions .......................................................................................................................14 3.2 Symbols and abbreviations .............................................................................................................25 4 Slopes, cuttings, and embankments .............................................................................................42 4.1 Scope and field of application .........................................................................................................42 4.2 Basis of design ......................................................................................................................................42 4.3 Materials .................................................................................................................................................44 4.4 Groundwater .........................................................................................................................................45 4.5 Geotechnical analysis ........................................................................................................................46 4.6 Ultimate limit states ...........................................................................................................................49 4.7 Serviceability limit states .................................................................................................................50 4.8 Implementation of design ................................................................................................................50 4.9 Testing .....................................................................................................................................................52 4.10 Reporting ...............................................................................................................................................52 5 Spread foundations ............................................................................................................................53 5.1 Scope and field of application .........................................................................................................53 5.2 Basis of design ......................................................................................................................................53 5.3 Materials .................................................................................................................................................58 5.4 Groundwater .........................................................................................................................................58 5.5 Geotechnical analysis ........................................................................................................................59 5.6 Ultimate limit states ...........................................................................................................................67 5.7 Serviceability limit states .................................................................................................................74 5.8 Implementation of design ................................................................................................................75 5.9 Testing .....................................................................................................................................................75 5.10 Reporting ...............................................................................................................................................75 6 Piled foundations ................................................................................................................................76 6.1 Scope and field of application .........................................................................................................76 6.2 Basis of design ......................................................................................................................................76 6.3 Materials .................................................................................................................................................80 6.4 Groundwater .........................................................................................................................................82 6.5 Geotechnical analysis ........................................................................................................................82 6.6 Ultimate limit states ...........................................................................................................................92 2 prEN 1997-3:202x (E) 6.7 Serviceability limit states ............................................................................................................. 101 6.8 Implementation of design............................................................................................................. 102 6.9 Testing ................................................................................................................................................. 103 6.10 Reporting ............................................................................................................................................ 106 7 Retaining structures ....................................................................................................................... 108 7.1 Scope and field of application ..................................................................................................... 108 7.2 Basis of design .................................................................................................................................. 108 7.3 Materials ............................................................................................................................................. 111 7.4 Groundwater ..................................................................................................................................... 111 7.5 Geotechnical analysis ..................................................................................................................... 112 7.6 Ultimate limit states ....................................................................................................................... 117 7.7 Serviceability limit states ............................................................................................................. 122 7.8 Implementation of design............................................................................................................. 123 7.9 Testing ................................................................................................................................................. 124 7.10 Reporting ............................................................................................................................................ 125 8 Anchors ..............................................................................................................................................