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本文(ISO 22762-3-2010 Elastomeric seismic-protection isolators - Part 3 Applications for buildings - Specifications《弹性地震防护隔离物 第3部分 建筑物应用件 规范》.pdf)为本站会员(周芸)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 22762-3-2010 Elastomeric seismic-protection isolators - Part 3 Applications for buildings - Specifications《弹性地震防护隔离物 第3部分 建筑物应用件 规范》.pdf

1、 Reference number ISO 22762-3:2010(E) ISO 2010INTERNATIONAL STANDARD ISO 22762-3 Second edition 2010-11-01 Elastomeric seismic-protection isolators Part 3: Applications for buildings Specifications Appareils dappuis structuraux en lastomre pour protection sismique Partie 3: Applications pour btiment

2、s Spcifications ISO 22762-3:2010(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the

3、 editing. In downloading this file, parties accept therein the responsibility of not infringing Adobes licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file ca

4、n be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretaria

5、t at the address given below. COPYRIGHT PROTECTED DOCUMENT ISO 2010 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing fr

6、om either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2010 All rights reservedISO 22762-3:2010

7、(E) ISO 2010 All rights reserved iiiContents Page Foreword iv Introduction.v 1 Scope1 2 Normative references1 3 Terms and definitions .1 4 Symbols4 5 Classification .7 6 Requirements.9 7 Design rules .20 8 Manufacturing tolerances.25 9 Marking and labelling31 10 Test methods .32 11 Quality assurance

8、32 Annex A (normative) Tensile stress in reinforcing steel plate.33 Annex B (informative) Determination of ultimate property diagram based on experimental results 35 Annex C (informative) Minimum recommended physical properties of rubber material 38 Annex D (informative) Effect of inner-hole diamete

9、r and second shape factor on shear properties 39 Annex E (informative) Determination of compressive properties of elastomeric isolators42 Annex F (informative) Determination of shear properties of elastomeric isolators.45 Annex G (informative) Method of predicting buckling limit at large deformation

10、s50 Annex H (informative) Design of fixing bolts and flanges57 Bibliography60 ISO 22762-3:2010(E) iv ISO 2010 All rights reservedForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing Interna

11、tional Standards is normally carried out through ISO technical 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

12、ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical

13、committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to t

14、he possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 22762-3 was prepared by Technical Committee ISO/TC 45, Rubber and rubber products, Subcommittee SC 4, Products (other th

15、an hoses). This second edition cancels and replaces the first edition (ISO 22762-3:2005), which has been technically revised. It also incorporates the Technical Corrigendum ISO 22762-3:2005/Cor.1:2006. ISO 22762 consists of the following parts, under the general title Elastomeric seismic-protection

16、isolators: Part 1: Test methods Part 2: Applications for bridges Specifications Part 3: Applications for buildings Specifications ISO 22762-3:2010(E) ISO 2010 All rights reserved vIntroduction ISO 22762 (all parts) consists of two parts related to specifications for isolators, i.e. ISO 22762-2 for b

17、ridges and ISO 22762-3 for buildings. This is because the isolator requirements for bridges and buildings are quite different, although the basic concept of the two products is similar. Therefore, ISO 22762-2 and the relevant clauses in ISO 22762-1 are used when ISO 22762 (all parts) is applied to t

18、he design of bridge isolators whereas this part of ISO 22762 and the relevant clauses of ISO 22762-1 are used when it is applied to building isolators. The main differences to be noted between isolators for bridges and isolators for buildings are the following. a) Isolators for bridges are mainly re

19、ctangular in shape and those for buildings are circular in shape. b) Isolators for bridges are designed to be used for both rotation and horizontal displacement, while isolators for buildings are designed for horizontal displacement only. c) Isolators for bridges are designed to perform on a daily b

20、asis to accommodate length changes of bridges caused by temperature changes as well as during earthquakes, while isolators for buildings are designed to perform only during earthquakes. d) Isolators for bridges are designed to withstand dynamic loads caused by vehicles on a daily basis as well as ea

21、rthquakes, while isolators for buildings are mainly designed to withstand dynamic loads caused by earthquakes only. For structures other than buildings and bridges (e.g. tanks), the structural engineer uses either ISO 22762-2 or ISO 22762-3, depending on the requirements of the structure. INTERNATIO

22、NAL STANDARD ISO 22762-3:2010(E) ISO 2010 All rights reserved 1Elastomeric seismic-protection isolators Part 3: Applications for buildings Specifications 1 Scope This part of ISO 22762 specifies minimum requirements and test methods for elastomeric seismic isolators used for buildings and the rubber

23、 material used in the manufacture of such isolators. It is applicable to elastomeric seismic isolators used to provide buildings with protection from earthquake damage. The isolators covered consist of alternate elastomeric layers and reinforcing steel plates. They are placed between a superstructur

24、e and its substructure to provide both flexibility for decoupling structural systems from ground motion, and damping capability to reduce displacement at the isolation interface and the transmission of energy from the ground into the structure at the isolation frequency. 2 Normative references The f

25、ollowing referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 630, Structural steels Plates, wide flats, bars, s

26、ections and profiles ISO 1052, Steels for general engineering purposes ISO 22762-1:2010, Elastomeric seismic-protection isolators Part 1: Test methods 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 breaking rupture of elastomeric isolator du

27、e to compression (or tension)-shear loading 3.2 buckling state when elastomeric isolators lose their stability under compression-shear loading 3.3 compressive properties of elastomeric isolator K vcompressive stiffness for all types of rubber bearings ISO 22762-3:2010(E) 2 ISO 2010 All rights reserv

28、ed3.4 compression-shear testing machine machine used to test elastomeric isolators, which has the capability of shear loading under constant compressive load 3.5 cover rubber rubber wrapped around the outside of inner rubber and reinforcing steel plates before or after curing of elastomeric isolator

29、s for the purposes of protecting the inner rubber from deterioration due to oxygen, ozone and other natural elements and protecting the reinforcing plates from corrosion 3.6 design compressive stress long-term compressive force on the elastomeric isolator imposed by the structure 3.7 effective loade

30、d area area sustaining vertical load in elastomeric isolators, which corresponds to the area of reinforcing steel plates 3.8 effective width rectangular elastomeric isolator the smaller of the two side lengths of inner rubber to which direction shear displacement is not restricted 3.9 elastomeric is

31、olator rubber bearing, for seismic isolation of buildings, bridges and other structures, which consists of multi-layered vulcanized rubber sheets and reinforcing steel plates EXAMPLE High-damping rubber bearings, linear natural rubber bearings and lead rubber bearings. 3.10 first shape factor ratio

32、of effectively loaded area to free deformation area of one inner rubber layer between steel plates 3.11 high-damping rubber bearing HDR elastomeric isolator with relatively high damping properties obtained by special compounding of the rubber and the use of additives 3.12 inner rubber rubber between

33、 multi-layered steel plates inside an elastomeric isolator 3.13 lead rubber bearing LRB elastomeric isolator whose inner rubber with a lead plug or lead plugs press fitted into a hole or holes of the isolator body to achieve damping properties 3.14 linear natural rubber bearing LNR elastomeric isola

34、tor with linear shear force-deflection characteristics and relatively low damping properties, fabricated using natural rubber NOTE Any bearing with relatively low damping can be treated as an LNR bearing for the purposes of isolator testing. ISO 22762-3:2010(E) ISO 2010 All rights reserved 33.15 max

35、imum compressive stress peak stress acting briefly on elastomeric isolators in compressive direction during an earthquake 3.16 nominal compressive stress long-term stress acting on elastomeric isolators in compressive direction as recommended by the manufacturer for the isolator, including the safet

36、y margin 3.17 roll-out instability of an isolator with either dowelled or recessed connection under shear displacement 3.18 routine test test for quality control of the production isolators during and after manufacturing 3.19 second shape factor circular elastomeric isolator ratio of the diameter of

37、 the inner rubber to the total thickness of the inner rubber 3.20 second shape factor rectangular or square elastomeric isolator ratio of the effective width of the inner rubber to the total thickness of the inner rubber 3.21 shear properties of elastomeric isolators comprehensive term that covers c

38、haracteristics determined from isolator tests: shear stiffness, K h , for LNR; shear stiffness, K h , and equivalent damping ratio, h eq , for HDR and LRB; post-yield stiffness, K d , and characteristic strength, Q d , for LRB 3.22 structural engineer engineer who is in charge of designing the struc

39、ture for base-isolated bridges or buildings and is responsible for specifying the requirements for elastomeric isolators 3.23 type test test for verification either of material properties and isolator performances during development of the product or that project design parameters are achieved 3.24

40、ultimate properties properties at either buckling, breaking, or roll-out of an isolator under compression-shear loading 3.25 ultimate property diagram UPD diagram giving the interaction curve of compressive stress and buckling strain or breaking strain of an elastomeric isolator ISO 22762-3:2010(E)

41、4 ISO 2010 All rights reserved4 Symbols For the purposes of this document, the symbols given in Table 1 apply. Table 1 Symbols and descriptions Symbol Description A effective plan area; plan area of elastomeric isolator, excluding cover rubber portion A beffective area of bolt A eoverlap area betwee

42、n the top and bottom elastomer area of isolator A freeload-free area of isolator A loadloaded area of isolator A parea of the lead plug for a lead rubber bearing a side length of square elastomeric isolator, excluding cover rubber thickness, or length in longitudinal direction of rectangular isolato

43、r, excluding cover rubber thickness a elength of the shorter side of the rectangular isolator, including cover rubber thickness a length in longitudinal direction of the rectangular isolator, including cover rubber thickness B effective width for bending of flange b length in transverse direction of

44、 the rectangular isolator, excluding cover rubber thickness b length in transverse direction of the rectangular isolator, including cover rubber thickness c distance from centre of bolt hole to effective flange section D outer diameter of circular isolator, including cover rubber D fdiameter of flan

45、ge d iinner diameter of reinforcing steel plate d kdiameter of bolt hole d 0outer diameter of reinforcing steel plate E apapparent Youngs modulus of bonded rubber layer E capparent Youngs modulus corrected, if necessary, by allowing for compressibility E c sapparent Youngs modulus corrected for bulk

46、 compressibility depending on its shape factor (S 1 ) E bulk modulus of rubber E 0Youngs modulus of rubber F utensile force on isolator by uplift G shear modulus G eq ( ) equivalent linear shear modulus at shear strain H height of elastomeric isolator, including mounting flange H nheight of elastome

47、ric isolator, excluding mounting flange h eqequivalent damping ratio h eq ( ) equivalent damping ratio as a function of shear strain ISO 22762-3:2010(E) ISO 2010 All rights reserved 5Table 1 (continued) Symbol Description K dpost-yield stiffness (tangential stiffness after yielding of lead plug) of

48、lead rubber bearing K hshear stiffness K iinitial shear stiffness K pshear stiffness of lead plug inserted in lead rubber bearing K rshear stiffness of lead rubber bearing before inserting lead plug K ttangential shear stiffness K vcompressive stiffness L flength of one side of a rectangular flange

49、M resistance to rotation M fmoment acting on bolt M rmoment acting on isolator n number of rubber layers n bnumber of fixing bolts P compressive force P 0design compressive force P maxmaximum compressive force P minminimum compressive force P Tbtensile force at break of isolator Q shear force Q bshear force at break Q bukshear force at buckling Q dcharacteristic strength S 1first shape factor S 2second shape factor T temperature T 0standard temperature, 23 C or 27 C; where specified toleran

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