BS EN 1994-1-2-2026 欧洲规范4 钢与混凝土组合结构设计 第1-2部分：结构防火设计 (Eurocode 4)

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BSI Standards Publication
Eurocode 4 — Design of composite
steel and concrete structures
Part1-2:Structuralfiredesign
BS EN 1994‑1‑2:2026
National foreword
This British Standard is the UK implementation of EN 1994‑1‑2:2026. It
supersedes BS EN 1994‑1‑2:2005+A1:2014, which will be withdrawn on
30 March 2028.
The UK participation in its preparation was entrusted to Technical
Committee B/525/4, Composite structures.
A list of organizations represented on this committee can be obtained on
request to its committee manager.
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


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.
BRITISH STANDARD
BS EN 1994‑1‑2:2026
© The British Standards Institution 2026
Published by BSI Standards Limited 2026
ISBN 978 0 539 23495 4
ICS 13.220.50; 91.010.30; 91.080.10; 91.080.40
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 31 March 2026.
Amendments/corrigenda issued since publication
Date Text affected
BRITISH STANDARD BS EN 1994‑1‑2:2026

标签： #钢 #混凝土 #结构

摘要：

BS EN 1994-1-2-2026《欧洲规范4：钢与混凝土组合结构设计 第1-2部分：结构防火设计 (Eurocode 4)》为钢与混凝土组合结构在火灾条件下的设计提供统一原则与应用规则，涵盖火灾作用与温度场、材料高温性能、组合梁、组合柱、组合楼板及节点等构件的温度发展与承载力验算、防火保护与构造措施，以及基于计算或试验的防火设计方法，适用于建筑与土木工程中组合结构的防火设计、审核、咨询与合规评估；该标准通常与 EN 1991-1-2 等 Eurocode 火灾作用标准配套使用，是结构工程师

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