tailieunhanh - Structural use of steelwork in building : Specifications for steel sections

The preparation of this British Standard was entrusted by the Civil Engineering and Building Structures Standards Committee (CSB/-) to Technical Committee CSB/31, upon which the following bodies were represented: Association of Building Component Manufacturers Ltd. Brick Development Association British Precast Concrete Federation Ltd. | BRITISH STANDARD BS 5950-2 2001 Structural use of steelwork in building Part 2 Specification for materials fabrication and erection Rolled and welded sections ICS NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS 5950-2 2001 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee B 521 Execution of steel structures upon which the following bodies were represented British Constructional Steelwork Association Cold Rolled Sections Association DETR Construction Directorate DETR Highways Agency Health and Safety Executive Institution of Civil Engineers Institution of Structural Engineers Steel Construction Institute UK Steel Association Welding Institute This British Standard having been prepared under the direction of the Sector Policy and Strategy Committee for Building and Civil Engineering was published under the authority of the Standards Policy and Strategy Committee on 24 August 2001 BSI 24 August 2001 First published December 1985 Second edition March 1992 Third edition August 2001 The following BSI references relate to the work on this standard Committee reference B 521 Draft for comment 99 100269 DC Amendments issued since publication Amd. No. Date Comments ISBN 0 580 33304 3 BS 5950-2 2001 Contents Committees responsible Foreword Page Inside front cover iii Section 1. General 1 Scope 1 Normative references 1 Definitions 3 Section 2. Materials 5 Structural steel 5 Fasteners 5 Welding consumables 7 Steel castings and forgings 7 Bedding materials 7 Section 3. Fabrication 9 General 9 Identification 9 Cutting 9 Holing 9 Contact surfaces of preloaded friction grip connections 10 Direct contact bearing of cross-sections 10 Surface imperfections 10 Section 4. Assembly 11 General 11 Welding 11 Bolting 11 Movement joints 12 Marking for erection 12 Protective treatment 12 Section 5. .