BS EN 1993-1-10-2025 欧洲规范3：钢结构设计 材料韧性及厚度方向性能（Eurocode3）

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BSI Standards Publication
Eurocode 3: Design of steel structures
Part 1-10: Material toughness and through-thickness properties
BS EN 1993-1-10:2025
National foreword
This British Standard is the UK implementation of EN 1993‑1‑10:2025.
It supersedes BS EN 1993‑1‑10:2005, which will be withdrawn on
30 March 2028.
The UK participation in its preparation was entrusted to Technical
Committee CB/203, Design & execution of steel structures, and Technical
Committee B/525/10, Bridges.
A list of organizations represented on these committees can be obtained
on request to their committee managers.
BSI, as a member of CEN, is obliged to publish EN 1993‑1‑10:2025 as a
British Standard. However, attention is drawn to the fact that during
the development of this European Standard, the UK committees voted
against its approval. The UK committees submitted a negative vote due
to their following concerns:
• The UK committees note that there are terms used in this standard

• It is the opinion of the UK committees that the use of ‘shall’ in
Subclause 4.1(8), ‘should’ in Subclause 4.2.1(2) and ‘may’ in
Subclause 4.2.2.1(1) has the potential to make the application of
Table 4.2 and Table 4.3 unclear.
• It is the opinion of the UK committees that the use of Execution Classes
in Table 4.2 and Table 4.3 to distinguish between two sets of maximum
permissible values of element thickness, as well as the criteria for
using the tables, has the potential to be unclear. Furthermore, the UK
committees believe it to be potentially unclear for Subclause 4.1(9) to
recommend the use of Table 4.3 in relation to fatigue loaded elements
in EXC2, where Subclause 4.1(11) notes that Table 4.3 for EXC2 was
developed mainly for statically loaded elements.
• In the opinion of the UK committees it is not clear why the reduction
factors in Table 4.5 may be applied to the permissible values of element
thickness in Table 4.3 (see Subclause 4.2.2.3 (2)), i.e. applicable in the
case of EXC1 and EXC2, but they are not applicable to EXC3 and EXC4
(see Subclause 4.2.2.3 (6)).
National choice is allowed in this standard where explicitly stated
within notes. The National Annex to this standard contains the
national choices to be used for buildings and civil engineering works
constructed in the UK.


document forms part of the second generation of EN Eurocodes.
The second generation of EN Eurocodes is expected to be published
between 2023 and 2026. These documents are being published as soon
as they are available. This is being done to enable users to prepare

EN Eurocodes.


should be considered as the applicable standards for buildings and civil


BRITISH STANDARD
BS EN 1993‑1‑10:2025
This standard is intended to be used with its National Annex and other
referenced documents, including other second generation Eurocodes, as
an interdependent suite of documents.

generation Eurocodes is not precluded, it should be undertaken with


generation Eurocodes and associated UK National Annexes.
Contractual and legal considerations
This publication has been prepared in good faith, however no
representation, warranty, assurance or undertaking (express or
implied) is or will be made, and no responsibility or liability is or will be
accepted by BSI in relation to the adequacy, accuracy, completeness or
reasonableness of this publication. All and any such responsibility and
liability is expressly disclaimed to the full extent permitted by the law.
This publication is provided as is, and is to be used at the
recipient’s own risk.
The recipient is advised to consider seeking professional guidance with
respect to its use of this publication.
This publication is not intended to constitute a contract. Users are
responsible for its correct application.
© The British Standards Institution 2025
Published by BSI Standards Limited 2025
ISBN 978 0 539 05428 6
ICS 91.010.30; 91.080.10; 91.080.13
Compliance with a British Standard cannot confer immunity from
legal obligations.
This British Standard was published under the authority of the
Standards Policy and Strategy Committee on 30 November 2025.
Amendments/corrigenda issued since publication
Date Text affected
BRITISH STANDARD BS EN 1993‑1‑10:2025

标签： #钢 #厚度 #结构

摘要：

本文档详细介绍了BS EN 1993-1-10-2025《欧洲规范3：钢结构设计 材料韧性及厚度方向性能》的核心技术要点与最新修订内容。该标准是欧洲钢结构设计规范的重要组成部分，主要针对钢材在低温条件下的脆性断裂风险，通过规定材料韧性等级（如KV冲击功要求）来指导构件选材与厚度匹配。同时，标准明确了厚度方向性能（Z向性能）的评定方法，包括Z35、Z25等等级的选择准则，以防止层状撕裂。本文适用于钢结构工程师、设计院及建筑规范研究人员，帮助理解2025版相较于旧版在韧性曲线、厚度限制和材料分类方面

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作者：史蒂文 分类：国际标准 价格：28星币 属性：60 页 大小：1.41MB 格式：PDF 时间：2026-05-14

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