BS EN 1992-1-2-2023 Eurocode 2 欧洲结构规范 混凝土结构设计 结构防火设计 高清含书签

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BSI Standards Publication
Eurocode 2 — Design of concrete structures
Part1-2:Structuralfiredesign
BS EN 1992‑1‑2:2023
National foreword
This British Standard is the UK implementation of EN 1992‑1‑2:2023. It
supersedes BS EN 1992‑1‑2:2004+A1:2019, which will be withdrawn on
30 March 2028.
The UK participation in its preparation was entrusted to Technical
Committee B/525/2, Structural use of concrete.
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 1992‑1‑2:2023
© The British Standards Institution 2023
Published by BSI Standards Limited 2023
ISBN 978 0 539 16232 5
ICS 13.220.50; 91.010.30; 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 30 November 2023.
Amendments/corrigenda issued since publication
Date Text affected
BRITISH STANDARD BS EN 1992‑1‑2:2023

标签： #混凝土 #结构 #结构规范

摘要：

BS EN 1992-1-2:2023 是欧洲规范 2（Eurocode 2）的最新版本，专门针对混凝土结构的防火设计，规定了建筑和土木工程中混凝土构件在火灾条件下的性能要求、设计方法和安全准则‌。该标准属于第二代欧洲规范体系，由英国标准学会（BSI）于2023年发布，共94页，旨在为结构工程师提供火灾场景下的混凝土材料性能退化模型、耐火极限计算以及保护层厚度设计等关键技术参数‌12。其内容涵盖结构分析、材料参数选择、受火构件的承载力评估，并与其他欧洲规范（如EN 1991-1-2关于火灾作用）协同使用，确保建筑整体防火安全‌。根据过渡期安排，第一代标准将于2028年3月28日废止，此后该版本将成为英国境内混凝土结构防火设计的强制性依据‌。

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