COMPOSITE SLABS AND BEAMS USING STEEL DECKING - GOOD PRACTICE FOR DESIGN AND CONSTRUCTION - Publication P300

Oct 24, 2026

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Composite construction combines structural efficiency with faster construction to provide an economic solution for many building types, including commercial, industrial, and residential projects. This guide presents good-practice design and construction for composite slabs and beams, reflecting typical current UK practice and aligning contractual arrangements with the recommendations. The revision updates guidance from earlier MCRMA/SCI editions and provides design information mapped to Eurocodes and BS 5950.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages134

Reading Time5 h 38 min

AccessFree to download

Foreword

Executive Summary

Introduction

Benefits of composite construction Applications

Scope of this publication

The Design and Construction Team

Duty holders

Roles in design and construction Design and construction sequences

Information Transfer

Design stage

Construction stage

3D Modelling

Design of Decking and Slabs

Steel decking

Composite slabs

Acoustic insulation

Further reading

Design of Composite Beams

COMPOSITE SLABS AND BEAMS USING STEEL DECKING: GOOD PRACTICE FOR DESIGN AND CONSTRUCTION COMPOSITE SLABS AND BEAMS USING STEEL DECKING: GOOD PRACTICE FOR DESIGN AND CONSTRUCTION SCI (The Steel Construction Institute) is the leading, independent provider of technical expertise and disseminator of best practice to the steel construction sector. We work in partnership with clients, members and industry peers to help build businesses and provide competitive advantage through the commercial application of our knowledge. We are committed to offering and promoting sustainable and environmentally responsible solutions. Our service spans the following areas: Membership Individual & corporate membership Advice Members advisory service Information Publications Education Events & training Consultancy Development Product development Engineering support Sustainability Assessment SCI Assessment SCI Product Certification Specification Websites Engineering software | © 2023 SCI and The Metal Cladding & Roofing Manufacturers Association. All rights reserved.
Publication Number: SCI P300, 3rd Ed.
ISBN: 978-1 85942-252-6
British Library Cataloguing in Publication Data.
A catalogue record for this book is available from the British Library.
Published by:
SCI , Silwood Park, Ascot, Berkshire. SL5 7QN UK
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publications@steel‑[sci.com](sci.com) | Apart from any fair dealing for the purposes of research or private study or criticism or review, as permitted under the Copyright Designs and Patents Act, 1988, this publication may not be reproduced, stored or transmitted, in any form or by any means, without the prior permission in writing of the publishers, or in the case of reprographic reproduction only in accordance with the terms of the licences issued by the UK Copyright Licensing Agency, or in accordance with the terms of licences issued by the appropriate Reproduction Rights Organisation outside the UK.
Enquiries concerning reproduction outside the terms stated here should be sent to the publishers, SCI.
Although care has been taken to ensure, to the best of our knowledge, that all data and information contained herein are accurate to the extent that they relate to either matters of fact or accepted practice or matters of opinion at the time of publication, SCI, the author and the reviewer assumes no responsibility for any errors in or misinterpretations of such data and/or information or any loss or damage arising from or related to their use. | | --- | --- | SCI PUBLICATION P300 COMPOSITE SLABS AND BEAMS USING STEEL DECKING: GOOD PRACTICE FOR DESIGN AND CONSTRUCTION FOREWORD Composite construction is popular because it combines structural efficiency with speed of construction to offer an economic solution for a wide range of building types. Applications include commercial, industrial and residential buildings. This guide covers the design and construction of composite slabs and beams and addresses the good practice aspects of these activities. The practice presented is typical of the current [U.K. market](U.K. market), and has developed over time in order to deliver the best results. It is therefore recommended that contractual arrangements for specific projects are aligned with these recommendations. This revision updates the previous MCRMA/SCI guide, which was published in 2000 and updated in 2009. This second update reflects the latest guidance for good practice and gives information on design to the Eurocodes as well as design to BS 5950, including comment on some changes that will be reflected in the so-called Generation 2 Eurocodes. The standalone Section related to the design and construction of shallow floor construction that was contained in previous editions of this publication has been omitt

FAQs

What does this guide cover for composite construction?

It covers the design and construction of composite slabs and beams, focusing on good-practice aspects of these activities.

Which standards and design references are included?

It gives design information aligned with the Eurocodes and also design to BS 5950, including notes on changes leading to Generation 2 Eurocodes.

What has changed compared with earlier editions?

This update reflects the latest good-practice guidance and omits the standalone section on shallow floor construction that was present in previous editions.

Oct 24, 2026

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