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本文(ISO 15673-2016 Guidelines for the simplified design of structural reinforced concrete for buildings《建筑物结构钢筋混凝土简化设计指南》.pdf)为本站会员(amazingpat195)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ISO 15673-2016 Guidelines for the simplified design of structural reinforced concrete for buildings《建筑物结构钢筋混凝土简化设计指南》.pdf

1、 ISO 2016 Guidelines for the simplified design of structural reinforced concrete for buildings Lignes directrices pour la conception simplifie du bton arm pour les structures de btiments INTERNATIONAL STANDARD ISO 15673 Second edition 2016-12-01 Reference number ISO 15673:2016(E) ISO 15673:2016(E)ii

2、 ISO 2016 All rights reserved COPYRIGHT PROTECTED DOCUMENT ISO 2016, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

3、 on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41

4、22 749 09 47 copyrightiso.org www.iso.org ISO 15673:2016(E)Foreword ix Introduction x 1 Scope . 1 2 Normative references 1 3 Terms and definitions . 2 4 Symbols and abbreviated terms 13 4.1 Symbols 13 4.2 Abbreviated terms 16 5 Design and construction procedure 17 5.1 Procedure .17 5.1.1 Step A 17 5

5、.1.2 Step B 17 5.1.3 Step C 17 5.1.4 Step D 17 5.1.5 Step E 17 5.1.6 Step F.17 5.1.7 Step G 17 5.1.8 Step H 17 5.1.9 Step I 17 5.1.10 Step J 18 5.1.11 Step K 18 5.2 Design documentation 19 5.2.1 General.19 5.2.2 Calculation memoir 19 5.2.3 Geotechnical report 19 5.2.4 Structural drawings 19 5.2.5 Sp

6、ecifications .19 6 General guides .19 6.1 Limitations .19 6.1.1 Occupancy .19 6.1.2 Maximum number of stories 20 6.1.3 Maximum area per floor .20 6.1.4 Maximum story height .20 6.1.5 Maximum span length 20 6.1.6 Maximum difference in span length .20 6.1.7 Minimum number of spans 21 6.1.8 Maximum can

7、tilever span .21 6.1.9 Maximum slope for slabs, girders, beams and joists .21 6.1.10 Maximum slope of the terrain .21 6.1.11 Distance between centre of mass and centre of rigidity 21 6.2 Limit states 21 6.3 Ultimate limit state design format 21 6.3.1 General.21 6.3.2 Required factored strength 22 6.

8、3.3 Design strength 22 6.4 Serviceability limit state design format 22 7 Specific guides 23 7.1 Structural systems and layout 23 7.1.1 Description of the components of the structure .23 7.1.2 General programme .24 7.1.3 Structural layout 25 7.1.4 Feasibility under the guidelines 28 ISO 2016 All righ

9、ts reserved iii Contents Page ISO 15673:2016(E)8 Actions (loads) .29 8.1 General 29 8.1.1 Load factors and load combinations 29 8.1.2 Mass of materials 31 8.1.3 Dead loads 31 8.1.4 Live loads .32 8.1.5 Specified snow load 32 8.1.6 Specified wind forces 32 8.1.7 Specified earthquake forces 32 8.1.8 S

10、eismic design base shear 39 9 General reinforced concrete requirements .40 9.1 General 40 9.2 Additional requirements .40 9.3 Materials for reinforced concrete 40 9.3.1 General.40 9.3.2 Cement .40 9.3.3 Aggregates 40 9.3.4 Water .40 9.3.5 Steel reinforcement 40 9.3.6 Admixtures .41 9.3.7 Storage of

11、materials .41 9.3.8 Minimum and maximum reinforcement bar diameter 41 9.3.9 Concrete mixture specification .42 9.3.10 Concrete cover to reinforcement 42 9.3.11 Minimum reinforcement bend diameter .43 9.3.12 Standard hook dimensions 44 9.3.13 Bar spacing and maximum aggregate size45 9.3.14 Maximum no

12、minal coarse aggregate size .45 9.3.15 Minimum clear spacing between parallel bars in a layer 46 9.3.16 Minimum clear spacing between parallel layers of reinforcement .46 9.3.17 Minimum clear spacing between longitudinal bars in columns 47 9.3.18 Clear spacing between parallel lap splices .48 9.3.19

13、 Maximum flexural reinforcement spacing in solid slabs 48 9.3.20 Maximum shrinkage and temperature reinforcement spacing in solid slabs 48 9.3.21 Maximum reinforcement spacing in structural concrete walls 49 9.3.22 Special details per element type .49 9.4 Development length, lap splicing and anchora

14、ge of reinforcement.49 9.4.1 Development length .49 9.4.2 Lap splice dimensions 51 9.4.3 Minimum standard hook anchorage distance .51 9.5 Limits for longitudinal reinforcement .52 9.5.1 General.52 9.5.2 Solid slabs and footings.52 9.5.3 Girders, beams and joists 53 9.5.4 Columns 55 9.5.5 Structural

15、concrete walls .55 9.6 Minimum amounts of transverse reinforcement .56 9.6.1 General.56 9.6.2 Slabs .56 9.6.3 Girders, beams and joists 56 9.6.4 Columns 56 9.6.5 Structural concrete walls .60 9.7 Strength of members subjected to bending moments .61 9.7.1 General.61 9.7.2 Factored bending moment at s

16、ection .61 9.7.3 Minimum design bending moment strength 61 9.7.4 Design moment strength for rectangular sections with tension reinforcement only . .61 iv ISO 2016 All rights reserved ISO 15673:2016(E)9.7.5 Use of compression reinforcement in girders, beams, and joists .62 9.7.6 T-beam effect 64 9.8

17、Strength of members subjected to shear stresses .66 9.8.1 General.66 9.8.2 Factored shear 67 9.8.3 Design shear strength .67 9.8.4 Beam-action shear .67 9.8.5 Two-way action shear (punching shear) in solid slabs and footings 70 10 Floor systems 71 10.1 Types of floor systems .71 10.1.1 General.71 10

18、.1.2 Slab-on-girder system 71 10.1.3 Description of the basic system .71 10.1.4 Joist systems .74 10.2 Criteria for the selection of the floor system77 10.3 Guides for structural integrity 78 10.3.1 General.78 10.3.2 Perimeter girders in slab-and-girder and joist systems .78 10.3.3 Other beams and g

19、irders .78 10.3.4 Joists 78 10.4 One-way and two-way slabs and load path .78 10.4.1 General.78 10.4.2 One-way behaviour . 78 10.4.3 Two-way behaviour 79 10.4.4 Floor system load path 79 10.5 Minimum depth for elements of the floor system .79 10.5.1 General.79 10.5.2 Solid one-way slabs supported by

20、girders, beams, joists, or structural walls .79 10.5.3 Girders, beams and one-way joists supporting the slab .80 10.5.4 Two-way slabs supported by girders, beams, or structural concrete walls.81 10.6 Initial trial dimensions for the floor system .82 11 Solid slabs supported on girders, beams, joists

21、 or structural concrete walls .82 11.1 General 82 11.2 Design load definition 82 11.2.1 Loads to be included 82 11.2.2 Dead load and live load .82 11.2.3 Factored design loads .82 11.3 Details of reinforcement 83 11.3.1 General.83 11.3.2 Shrinkage and temperature reinforcement .83 11.3.3 Positive fl

22、exural reinforcement 83 11.3.4 Negative flexural reinforcement 84 11.3.5 Shear reinforcement 85 11.3.6 Corner reinforcement .85 11.4 Top thin solid slab that spans between joists 87 11.4.1 Dimensional guidelines .87 11.4.2 Factored bending moment .87 11.4.3 Reinforcement .87 11.4.4 Shear strength ve

23、rification.88 11.4.5 Calculation of the reactions on the joists .88 11.5 Cantilevers of slabs supported on girders, beams or walls .88 11.5.1 Dimensional guidelines .88 11.5.2 Factored negative bending moment .88 11.5.3 Reinforcement .89 11.5.4 Shear verification .91 11.5.5 Calculation of reactions

24、on the supports .92 ISO 2016 All rights reserved v ISO 15673:2016(E)11.6 One-way one-span solid slabs spanning between girders, beams, or structural concrete walls .92 11.6.1 Dimensional guidelines .92 11.6.2 Factored bending moment .92 11.6.3 Longitudinal flexural reinforcement 92 11.6.4 Shear veri

25、fication .93 11.6.5 Calculation of the reactions on the supports 94 11.7 One-way solid slabs supported on girders, beams, or walls, with two or more spans 94 11.7.1 Dimensional guidelines .94 11.7.2 Factored bending moment .94 11.7.3 Longitudinal flexural reinforcement 95 11.7.4 Shear verification .

26、97 11.7.5 Calculation of reactions on the supports .97 11.8 Two-way solid slabs spanning between girders, beams, or structural concrete walls 97 11.8.1 Dimensional guides 97 11.8.2 Factored flexural moment .98 11.8.3 Longitudinal flexural reinforcement .104 11.8.4 Shear verification 106 11.8.5 Calcu

27、lation of the reactions on the supports .107 12 Girders, beams and joists .107 12.1 General .107 12.2 Design load definition .108 12.2.1 Loads to be included .108 12.2.2 Factored design loads 108 12.3 Details of reinforcement .109 12.3.1 General109 12.3.2 Transverse reinforcement .109 12.3.3 Positiv

28、e flexural reinforcement .110 12.3.4 Negative flexural reinforcement .111 12.3.5 Joists and beams supported on girders 115 13 Columns 123 13.1 General .123 13.2 Design load definition .123 13.2.1 Loads to be included .123 13.2.2 Dead load and live load 125 13.2.3 Factored design loads 126 13.3 Dimen

29、sional guidelines .126 13.3.1 General126 13.3.2 Limiting section dimensions .126 13.3.3 Distance between lateral supports 127 13.3.4 Column built monolithically with wall 128 13.4 Details of reinforcement .128 13.4.1 General128 13.4.2 Longitudinal reinforcement .128 13.4.3 Transverse reinforcement .

30、132 13.5 Flexural design guidelines .132 13.5.1 Factored loads 132 13.5.2 Initial trial cross-section dimensions and longitudinal reinforcement 132 13.6 Shear design guidelines .133 13.6.1 Factored shear .133 13.6.2 Shear strength verification134 13.6.3 Biaxial shear strength verification .134 13.7

31、Strength of members subjected to axial loads with or without flexure .134 13.7.1 General134 13.7.2 Combined factored axial load and factored bending moment134 13.7.3 Design strength for axial compression .135 13.7.4 Balanced strength for axial compression with flexure .135 vi ISO 2016 All rights res

32、erved ISO 15673:2016(E)14 Structural concrete walls 139 14.1 General .139 14.2 Design load definition .139 14.2.1 Loads to be included .139 14.2.2 Dead load and live load 142 14.2.3 Lateral design load .142 14.2.4 Factored design load . 143 14.3 Dimensional guidelines .143 14.3.1 General143 14.3.2 L

33、imiting dimensions .143 14.4 Details of reinforcement .144 14.4.1 General144 14.4.2 Number of curtains of reinforcement 145 14.4.3 Vertical reinforcement 145 14.4.4 Horizontal reinforcement 146 14.4.5 Structural concrete wall reinforcement in seismic zones 147 14.5 Flexural design guidelines .147 14

34、.5.1 Required factored loads .147 14.5.2 Initial trial vertical reinforcement 147 14.5.3 Required factored moment strength verification 147 14.6 Shear guides 147 14.6.1 Factored shear .147 14.6.2 Shear strength verification147 14.7 Calculation of reactions at the foundation 148 14.7.1 Load reaction

35、148 14.7.2 Moment reaction 148 15 Foundations 148 15.1 Dimensioning of the foundation elements 148 15.2 Footings .148 15.2.1 Footings supporting circular or regular polygon-shaped columns or pedestals 148 15.2.2 Moment in footings 148 15.2.3 Shear in footings 149 15.2.4 Development of reinforcement

36、in footings .149 15.2.5 Minimum footing depth .149 15.2.6 Transfer of forces at base of column, wall or reinforced pedestal 149 15.2.7 Sloped or stepped footings150 15.3 Foundation mats 150 15.4 Footings on piles 150 15.4.1 General150 15.4.2 Anchorage of reinforcement 150 15.4.3 Maximum axial stress

37、es .150 15.4.4 Minimum reinforcement ratios and lengths 150 15.5 Foundation beams 151 15.5.1 Dimensional guidelines 151 15.5.2 Longitudinal reinforcement .151 15.5.3 Transverse reinforcement .151 15.6 Retaining walls 151 15.6.1 Lateral earth pressure .151 15.6.2 Types of retaining walls .152 15.6.3

38、Types of retaining wall failures .153 15.6.4 Static pressures on retaining walls 154 15.6.5 Seismic pressures on retaining walls .156 15.6.6 General requirements for retaining walls 160 15.6.7 Details of reinforcement 160 16 Lateral load resisting system 161 16.1 General .161 16.2 Specified lateral

39、forces .162 ISO 2016 All rights reserved vii ISO 15673:2016(E)16.2.1 General162 16.2.2 Lateral forces included .162 16.3 Lateral force resisting structural system 162 16.3.1 General162 16.4 Minimum amount of structural concrete walls.163 16.4.1 General163 16.4.2 Wall area guideline for shear strengt

40、h 164 16.4.3 Wall dimensions guideline for lateral stiffness .164 16.5 Special reinforcement details for seismic zones 164 16.5.1 General164 16.5.2 Girders of frames .164 16.5.3 Columns .167 16.5.4 Joints .172 16.5.5 Walls .175 17 Nonstructural walls 176 Annex A (informative) Equivalent formulae for

41、 material factors .178 viii ISO 2016 All rights reserved ISO 15673:2016(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO t

42、echnical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates clos

43、ely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria

44、needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives). Attention is drawn to the possibility that some of the elements of this document may be the subject of pat

45、ent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents). Any trade name use

46、d in this document is information given for the convenience of users and does not constitute an endorsement. For an explanation on the meaning of ISO specific terms and expressions related to conformit y assessment, as well as information about ISOs adherence to the World Trade Organization (WTO) pr

47、inciples in the Technical Barriers to Trade (TBT) see the following URL: www.iso.org/iso/foreword.html. The committee responsible for this document is ISO/TC 71, Concrete, reinforced concrete and prestressed concrete, Subcommittee SC 5, Simplified design standard for concrete structures. This second

48、 edition cancels and replaces the first edition (ISO 15673:2005), which has been technically revised with the following changes. recent research available in concrete frame and wall buildings as a result of poor structural behaviour observed during recent earthquakes have changed the design and deta

49、iling requirements for these type of buildings in seismic prone areas; concrete structural design criteria has been unified in almost all countries in order to use similar, if not identical load combinations with the same load factors, as well as strength reduction factors; this is a substantial change and has been changing in recent years in order to simplify and unify design criteria for different construction materials such as timber, steel, masonry and lastly concrete; concrete cover requirement have been updated to most recent international bu

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