BS EN 12504-4-2021 结构中的混凝土试验. 第4部分 超音波脉冲速率的测定.pdf
文档页数：18文档大小：8.36MB文档格式：pdfBSEN12504-4:2021 BSI Standards Publication Testing concrete in structures Part 4:Determination of ultrasonic pulse velocity bsi. BSEN12504-4:2021 BRITISH STANDARD National foreword This British Standard is the UK implementation of EN 12504-4:2021.It supersedes BS EN 12504-4:2004 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee B/517/1 Concrete production and testing. A list of organizations represented on this mittee can be obtained on request to its mittee manager. 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 pleteness 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 Institution2021 Published by BSI Standards Limited 2021 ISBN9780539053500 ICS91.100.30 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was publi...
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