EN 1997-1:2024/prA1
(Amendment)Eurocode 7 - Geotechnical design - Part 1: General rules
Eurocode 7 - Geotechnical design - Part 1: General rules
1.1 Scope of EN 1997 1
(1) This document provides general rules for the design and verification of geotechnical structures.
(2) This document is applicable for the design and verification of geotechnical structures outside the scope of EN 1997 3.
NOTE In this case, additional or amended provisions can be necessary.
1.2 Assumptions
(1) In addition to the assumptions given in EN 1990, the provisions of EN 1997 (all parts) assume that:
— ground investigations are planned by individuals or organisations with knowledge of potential ground and groundwater conditions;
— ground investigations are executed by individuals with appropriate skills and experience;
— the evaluation of test results and derivation of ground properties from the ground investigation are carried out by individuals with appropriate geotechnical experience and qualifications;
— the data required for design are collected, recorded, and interpreted by appropriately qualified and experienced individuals;
— geotechnical structures are designed and verified by individuals with appropriate qualifications and experience in geotechnical design;
— adequate continuity and communication exist between the individuals involved in data collection, design, verification and execution.
(2) This document is intended to be used in conjunction with EN 1990, which establishes principles and requirements for the safety, serviceability, robustness, and durability of structures, including geotechnical structures, and other construction works.
NOTE Additional or amended provisions can be necessary for assessment of existing structures, see EN 1990 2.
(3) This document is intended to be used in conjunction with EN 1997 2, which gives provisions for determining ground properties from ground investigations.
(4) This document is intended to be used in conjunction with EN 1997 3, which gives specific rules for the design and verification of certain types of geotechnical structures.
(5) This document is intended to be used in conjunction with other Eurocodes for the design of geotechnical structures, including temporary geotechnical structures.
Eurocode 7 - Entwurf, Berechnung und Bemessung in der Geotechnik - Teil 1: Allgemeine Regeln
Eurocode 7 - Calcul géotechnique - Partie 1 : Règles générales
Evrokod 7 - Geotehnično projektiranje - 1. del: Splošna pravila
1.1 Področje uporabe EN 1997 1
(1) Ta dokument določa splošna pravila za projektiranje in preverjanje geotehničnih konstrukcij.
(2) Ta dokument je uporaben za projektiranje in preverjanje geotehničnih konstrukcij, ki niso zajete v področju EN 1997 3.
OPOMBA V tem primeru so lahko potrebne dodatne ali spremenjene določbe.
1.2 Predpostavke
(1) Poleg predpostavk, navedenih v EN 1990, določbe EN 1997 (vsi deli) predvidevajo, da:
- raziskave tal načrtujejo posamezniki ali organizacije z znanjem o možnih razmerah tal in podtalnice;
- raziskave tal izvajajo posamezniki z ustreznimi veščinami in izkušnjami;
- ocenjevanje rezultatov testov in določanje lastnosti tal iz raziskav tal izvajajo posamezniki z ustreznimi geotehničnimi izkušnjami in kvalifikacijami;
- podatki, potrebni za projektiranje, se zbirajo, beležijo in interpretirajo s strani ustrezno usposobljenih in izkušenih posameznikov;
- geotehnične konstrukcije projektirajo in preverjajo posamezniki z ustreznimi kvalifikacijami in izkušnjami na področju geotehničnega projektiranja;
- obstaja ustrezna kontinuiteta in komunikacija med posamezniki, vključenimi v zbiranje podatkov, projektiranje, preverjanje in izvedbo.
(2) Ta dokument je namenjen uporabi v povezavi z EN 1990, ki določa načela in zahteve za varnost, uporabnost, robustnost in trajnost konstrukcij, vključno z geotehničnimi konstrukcijami in drugimi gradbenimi deli.
OPOMBA Dodatne ali spremenjene določbe so lahko potrebne za oceno obstoječih konstrukcij, glej EN 1990 2.
(3) Ta dokument je namenjen uporabi v povezavi z EN 1997 2, ki določa določbe za določanje lastnosti tal iz raziskav tal.
(4) Ta dokument je namenjen uporabi v povezavi z EN 1997 3, ki določa posebna pravila za projektiranje in preverjanje določenih vrst geotehničnih konstrukcij.
(5) Ta dokument je namenjen uporabi v povezavi z drugimi Evrokodi za projektiranje geotehničnih konstrukcij, vključno s začasnimi geotehničnimi konstrukcijami.
General Information
- Status
- Not Published
- Publication Date
- 27-Feb-2028
- Technical Committee
- CEN/TC 250 - Structural Eurocodes
- Drafting Committee
- CEN/TC 250/SC 7 - Eurocode 7: Geotechnical design
- Current Stage
- 4020 - Submission to enquiry - Enquiry
- Start Date
- 11-Jun-2026
- Due Date
- 08-Oct-2026
- Completion Date
- 11-Jun-2026
Relations
- Effective Date
- 19-Nov-2025
Overview
EN 1997-1:2024/prA1: Eurocode 7 – Geotechnical Design – Part 1: General Rules, developed by CEN, sets out essential rules for the design and verification of geotechnical structures across Europe. This standard is part of the Eurocode suite, which aims to harmonize structural design rules, promote construction safety, and facilitate interoperability across EU member states and several neighboring countries.
The revised draft amendment (prA1) to EN 1997-1:2024 provides updates that enhance clarity, align terminology, and refine technical references throughout the document. EN 1997-1 is intended to be used in conjunction with other Eurocodes, including EN 1990 (Basis of Design), EN 1997-2 (Ground Investigation and Testing), and EN 1997-3 (Specific Rules for Particular Geotechnical Structures). This comprehensive approach supports unified geotechnical engineering practices, leading to greater safety, durability, and serviceability of civil engineering works.
Key Topics
EN 1997-1 addresses several core aspects of geotechnical design:
- General Design Rules: Establishes minimum requirements for designing new geotechnical structures, including general guidance and essential assumptions for professional competence and responsibility.
- Ground Investigations: Highlights the necessity for ground investigations to be planned, executed, and interpreted by individuals with appropriate qualifications and geotechnical experience.
- Design Verification: Ensures that verification activities are handled by professionals with geotechnical expertise to confirm compliance with safety and performance requirements.
- Continuity and Communication: Emphasizes ongoing communication between all parties involved in data collection, design, and construction.
- Coordination with Other Eurocodes: Reinforces the use of EN 1997-1 alongside EN 1990 for structural safety, EN 1997-2 for ground properties, and EN 1997-3 for specialized structures.
- Ground Water and Material Considerations: Clarifies requirements for evaluating groundwater conditions and material properties during design.
The prA1 amendment focuses on editorial clarifications, updates to normative references, terminology consistency, and alignment with related standards, ensuring that practitioners work with the most current guidance.
Applications
EN 1997-1:2024/prA1 is relevant to the following areas within geotechnical engineering:
- Building Foundations: Application of standard procedures for the safe design and verification of building foundations in varied soil conditions.
- Earthworks and Excavations: Guidance on the design of earth retaining structures, embankments, slopes, and other earthworks.
- Underground Works: Design of tunnels, shafts, and other sub-surface constructions.
- Infrastructure Projects: Road, rail, and bridge foundations where geotechnical risk must be assessed and managed according to European best practices.
- Specific Geotechnical Structures: Supports the design of dams, tailings facilities, and foundations for critical infrastructure, often in coordination with EN 1997-3.
Compliance with Eurocode 7 supports safety, robustness, and sustainability in public and private sector construction projects by enforcing a uniform standard of care in geotechnical design.
Related Standards
For comprehensive geotechnical and structural design, EN 1997-1:2024/prA1 should be used alongside the following key standards:
- EN 1990-1:2023+A1:2026 – Basis of structural and geotechnical design
- EN 1991-1-1:2025 – Actions on structures
- EN 1997-2:2024+A1:2026 – Ground investigation and testing
- EN 1997-3:2025+A1:2026 – Design and verification of specific geotechnical structures
- EN 19100 – Design of glass structures
- Other applicable Eurocodes for material-specific and execution provisions
Adherence to these standards ensures projects conform to the highest European norms, enhancing safety, serviceability, and long-term performance in geotechnical engineering.
Keywords: EN 1997-1:2024/prA1, Eurocode 7, geotechnical design, CEN, structural engineering, ground investigations, foundation design, earthworks, European standards, safety, durability, standardization, construction.
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Frequently Asked Questions
EN 1997-1:2024/prA1 is a draft published by the European Committee for Standardization (CEN). Its full title is "Eurocode 7 - Geotechnical design - Part 1: General rules". This standard covers: 1.1 Scope of EN 1997 1 (1) This document provides general rules for the design and verification of geotechnical structures. (2) This document is applicable for the design and verification of geotechnical structures outside the scope of EN 1997 3. NOTE In this case, additional or amended provisions can be necessary. 1.2 Assumptions (1) In addition to the assumptions given in EN 1990, the provisions of EN 1997 (all parts) assume that: — ground investigations are planned by individuals or organisations with knowledge of potential ground and groundwater conditions; — ground investigations are executed by individuals with appropriate skills and experience; — the evaluation of test results and derivation of ground properties from the ground investigation are carried out by individuals with appropriate geotechnical experience and qualifications; — the data required for design are collected, recorded, and interpreted by appropriately qualified and experienced individuals; — geotechnical structures are designed and verified by individuals with appropriate qualifications and experience in geotechnical design; — adequate continuity and communication exist between the individuals involved in data collection, design, verification and execution. (2) This document is intended to be used in conjunction with EN 1990, which establishes principles and requirements for the safety, serviceability, robustness, and durability of structures, including geotechnical structures, and other construction works. NOTE Additional or amended provisions can be necessary for assessment of existing structures, see EN 1990 2. (3) This document is intended to be used in conjunction with EN 1997 2, which gives provisions for determining ground properties from ground investigations. (4) This document is intended to be used in conjunction with EN 1997 3, which gives specific rules for the design and verification of certain types of geotechnical structures. (5) This document is intended to be used in conjunction with other Eurocodes for the design of geotechnical structures, including temporary geotechnical structures.
1.1 Scope of EN 1997 1 (1) This document provides general rules for the design and verification of geotechnical structures. (2) This document is applicable for the design and verification of geotechnical structures outside the scope of EN 1997 3. NOTE In this case, additional or amended provisions can be necessary. 1.2 Assumptions (1) In addition to the assumptions given in EN 1990, the provisions of EN 1997 (all parts) assume that: — ground investigations are planned by individuals or organisations with knowledge of potential ground and groundwater conditions; — ground investigations are executed by individuals with appropriate skills and experience; — the evaluation of test results and derivation of ground properties from the ground investigation are carried out by individuals with appropriate geotechnical experience and qualifications; — the data required for design are collected, recorded, and interpreted by appropriately qualified and experienced individuals; — geotechnical structures are designed and verified by individuals with appropriate qualifications and experience in geotechnical design; — adequate continuity and communication exist between the individuals involved in data collection, design, verification and execution. (2) This document is intended to be used in conjunction with EN 1990, which establishes principles and requirements for the safety, serviceability, robustness, and durability of structures, including geotechnical structures, and other construction works. NOTE Additional or amended provisions can be necessary for assessment of existing structures, see EN 1990 2. (3) This document is intended to be used in conjunction with EN 1997 2, which gives provisions for determining ground properties from ground investigations. (4) This document is intended to be used in conjunction with EN 1997 3, which gives specific rules for the design and verification of certain types of geotechnical structures. (5) This document is intended to be used in conjunction with other Eurocodes for the design of geotechnical structures, including temporary geotechnical structures.
EN 1997-1:2024/prA1 is classified under the following ICS (International Classification for Standards) categories: 91.010.30 - Technical aspects; 93.020 - Earthworks. Excavations. Foundation construction. Underground works. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 1997-1:2024/prA1 has the following relationships with other standards: It is inter standard links to EN 1997-1:2024. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 1997-1:2024/prA1 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
01-julij-2026
Evrokod 7 - Geotehnično projektiranje - 1. del: Splošna pravila
Eurocode 7 - Geotechnical design - Part 1: General rules
Eurocode 7 - Entwurf, Berechnung und Bemessung in der Geotechnik - Teil 1:
Allgemeine Regeln
Eurocode 7 - Calcul géotechnique - Partie 1 : Règles générales
Ta slovenski standard je istoveten z: EN 1997-1:2024/prA1
ICS:
91.010.30 Tehnični vidiki Technical aspects
93.020 Zemeljska dela. Izkopavanja. Earthworks. Excavations.
Gradnja temeljev. Dela pod Foundation construction.
zemljo Underground works
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
DRAFT
EUROPEAN STANDARD
EN 1997-1:2024
NORME EUROPÉENNE
EUROPÄISCHE NORM
prA1
June 2026
ICS 93.020
English Version
Eurocode 7 - Geotechnical design - Part 1: General rules
Eurocode 7 - Calcul géotechnique - Partie 1 : Règles Eurocode 7 - Entwurf, Berechnung und Bemessung in
générales der Geotechnik - Teil 1: Allgemeine Regeln
This draft amendment is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 250.
This draft amendment A1, if approved, will modify the European Standard EN 1997-1:2024. If this draft becomes an amendment,
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of
this amendment into the relevant national standard without any alteration.
This draft amendment was established by CEN in three official versions (English, French, German). A version in 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 Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2026 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 1997-1:2024/prA1:2026 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
1 Modifications throughout the whole document . 4
2 Modifications to the Introduction . 4
3 Modifications to Clause 2, “Normative references” . 4
4 Modifications to Clause 3, “Terms and definitions” . 4
5 Modifications to Clause 4, “Basis of design” . 4
6 Modification to Clause 5, “Material” . 5
7 Modifications to Clause 6, “Ground water” . 5
8 Modifications to Clause 8, “Ultimate limit state” . 5
9 Modifications to Clause 10, “Implementation of design” . 7
10 Modification to the Bibliography . 7
European foreword
This document (EN 1997-1:2024/prA1:2026) has been prepared by Technical Committee CEN/TC 250
“Structural Eurocodes”, the secretariat of which is held by BSI. CEN/TC 250 is responsible for all
Structural Eurocodes and has been assigned responsibility for structural and geotechnical design matters
by CEN.
This document is currently submitted to the CEN Enquiry.
This document will amend EN 1997-1:2024.
NOTE Some modifications are purely editorial corrections to improve
...