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BS EN 12179-2000 Curtain walling - Resistance to wind load - Test method《幕墙 抗风性 试验方法》.pdf

1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 12179:2000 The Euro

2、pean Standard EN 12179:2000 has the status of a British Standard ICS 91.060.10 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Curtain walling Resistance to wind load Test methodThis British Standard, having been prepared under the direction of the Sector Committee for Buildin

3、g and Civil Engineering, was published under the authority of the Standards Committee and comes into effect on 15 August 2000 BSI 08-2000 ISBN 0 580 35787 2 BS EN 12179:2000 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard is the official English lan

4、guage version of EN 12179:2000. The UK participation in its preparation was entrusted by Technical Committee B/538, Doors, windows, shutters, hardware and curtain walling, to Subcommittee B/538/6, Curtain walling, which has the responsibility to: aid enquirers to understand the text; present to the

5、responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request

6、to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the B

7、SI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summar

8、y of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 9 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12179 June 2000 ICS 91.060.1

9、0 English version Curtain walling - Resistance to wind load - Test method Faades rideaux Rsistance la pression du vent Mthode dessai Vorhangfassaden Widerstand gegen Windlast Prfverfahren This European Standard was approved by CEN on 6 October 1999. CEN members are bound to comply with the CEN/CENEL

10、EC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Uptodate lists and bibliographical references concerning s uch national standards may be obtained on application to the Central Secretariat or to any CEN

11、 member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN me

12、mbers are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISA

13、TION EUROPISCHES KOMITEE FR NORMUNG Central Secretariat: rue de Stassart, 36 B-1050 Brussels 2000 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12179:2000 EPage 2 EN 12179:2000 BSI 082000 Contents Foreword 3 1 Scope 4 2 Normative

14、 references4 3 Definitions.4 4 Principle5 5 Apparatus5 6 Test specimen.6 7 Test preparation6 8 Test procedure6 9 Results7 10 Test report.7Page 3 EN 12179:2000 BSI 082000 Foreword This European Standard has been prepared by Technical Committee CEN/TC 33, Doors, windows, shutters, building hardware an

15、d curtain walling, the Secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2000, and conflicting national standards shall be withdrawn at the latest by

16、December 2000. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlan

17、ds, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. This European Standard forms part of a series of curtain walling tests as defined in the product standard prEN 13830:2000.Page 4 EN 12179:2000 BSI 082000 1 Scope This standard defines the method for determining the resistance t

18、o wind load of curtain walling, both its fixed and openable parts, under postive and negative static air pressure. NOTE This standard applies to any curtain walling product as defined in prEN 13830:2000. 2 Normative references This European Standard incorporates by dated or undated reference, provis

19、ions from other publications. These normative references are cited at the appropriate points in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these listed publications apply to this European Standard only when incorporated i

20、nto it by amendment or revision. For undated references the latest edition of the publication referred to applies. prEN 13119: 1997 Curtain walling - Terminology. prEN 13116: 1997 Curtain walling Resistance to wind load Performance requirements. ENV 1991-2-4 Eurocode 1: Basis of design and actions o

21、n structures Part 24: Actions on structures Wind actions. 3 Definitions For the purposes of this standard, the definitions given in prEN 13119:1997, together with the following, apply. 3.1 test pressure differential pressure between the two faces of the test specimen, expressed in Pascal (Pa) 3.2 po

22、sitive pressure when outer face is subjected to higher pressure than inner face 3.3 negative pressure when inner face is subjected to higher pressure than outer face 3.4 design wind load load calculated following the procedure specified within ENV 199124 and represented in this test with positive an

23、d negative test pressures on the test specimen 3.5 increased load (safety load) 1,5 times design wind load expressed in PascalPage 5 EN 12179:2000 BSI 082000 3.6 residual deformation change in shape or dimension which does not disappear when the test pressure is removed 3.7 frontal displacement move

24、ment of a point on a member measured normal to the member3.8 frontal deflection maximum frontal displacement of a member, minus half the sum of the frontal displacement at each end of the member 4 Principle Application of a sequence of test pressures (positive and negative) with displacements measur

25、ed at each pressure. 5 Apparatus The test apparatus shall include the following. 5.1 A chamber with an opening into which the test specimen can be fitted. This chamber shall be of sufficient strength and rigidity to withstand the test pressures likely to be imposed during the tests. It shall not def

26、lect under test pressure to any extent which would affect the performance of the test specimen (Figure 1). Adequate representative structural supports shall be provided to which the specimen shall be attached in accordance with the conditions of use in the works (see also clause 6). The chamber shal

27、l be so constructed that the air permeability through it, at pressures up to the maximum air permeability test pressures, does not exceed the permissible air permeability through the specimen, at the same pressures. 5.2 A means for applying controlled positive and negative test pressures to the test

28、 specimen. 5.3 A means by which rapidly controlled changes of positive and negative test pressures may be produced within defined limits. 5.4 A means of measuring the applied positive and negative test pressures, steady or fluctuating, within an accuracy of 5 %. 5.5 Devices for measuring displacemen

29、ts to an accuracy of at least 0,1mm. 5.6 A means of positioning the devices for measuring frontal displacements of specimen members. 5.7 A means of recording the displacements throughout the duration of the test.Page 6 EN 12179:2000 BSI 082000 6 Test specimen The specimen shall be submitted in a ful

30、ly operable condition, ready for use. It shall be supplied in a suitable manner for fixing onto a test chamber. The test specimen shall not be less than two typical units wide and shall be sufficient to provide full loading on at least one typical vertical joint or framing member or both. The specim

31、en shall not obtain additional stiffness from the test chamber. The height shall not be less than the full distance between the curtain walls point of connection to the building structure. For custom designed curtain walls or special elements, the specimen shall be a size which is adequate to demons

32、trate its compliance with the specified requirements. All parts of the specimen shall be full size, using the same materials, details, methods of construction and fixing as intended for use in the works. Conditions for connection to the structural support shall simulate those in the works as accurat

33、ely as possible (see also 5.1). This standard does not apply to the perimeter joints between the curtain walling and the test chamber, or to the joints between the curtain walling and the building construction. 7 Test preparation Install devices for measuring the maximum frontal displacements of app

34、ropriate curtain walling members so that performance can be assessed in accordance with prEN 13116:1997. Identify each displacement measuring device and its location on a suitable drawing of the test specimen. No further preparations are necessary other than those already carried out for the preceed

35、ing air permeability and watertightness tests. 8 Test procedure Where openable parts exist in a curtain wall test specimen, then open, close and lock each openable part of the test unit five times prior to testing. Test the resistance to wind load with positive test pressure, followed by the test wi

36、th negative test pressure. 8.1 Positive pressure test Apply three pulses of air pressure at 50 % of design wind load or 500 Pa, whichever is greater. The short period for pressure increase shall be not less than 1 s. Sustain each pulse for at least 3 s. Reset all measuring devices to zero or to thei

37、r initial readings and record these. Note any changes in the condition of the specimen. Subject the curtain wall unit to the test pressures in 4 stages, for a minimum period of 15 s 5 s at each stage up to design wind load, i.e. 25 %, 50 %, 75 % and 100 % of design wind load.Page 7 EN 12179:2000 BSI

38、 082000 Measure the frontal displacements at each test pressure and determine frontal deflections as required in prEN 13116:1997. Record residual deformations no later than 1 hour after completion of the test. 8.2 Negative pressure test Apply the same procedure as specified in 8.1 with negative test

39、 pressures. 8.3 Increased load test (optional) Positive pressure test - When required, apply a positive test pressure of 150 % of the design wind load as specified in prEN 13116:1997 for a minimum period of 15 s 5 s. Note any changes in the condition of the specimen. Open and close all openable wind

40、ows 5 times, finally securing them in the closed position. 9 Results 9.1 List the measurements of frontal displacements for each test pressure, calculate the frontal deflections and express them graphically as functions of test pressure. Record the residual deformations. Note any damage on an elevat

41、ion drawing of the specimen. Compare the frontal deflections and any residual deformations with the maximum permissable values specified in prEN 13116:1997 and assess as passed or failed. 9.2 List the results for the increased load tests in an annex to the report, including any damage conditions. 10

42、 Test Report Prepare a report to positively identify the specimen/s and record all parameters checked. The report shall include the following details: reference to this standard; name of the testing institute; persons or persons requesting the test; details of test specimen/s as follows: type/s of c

43、onstruction; profile references;Page 8 EN 12179:2000 BSI 082000 - origin of materials; - type/s of materials; - date/s of manufacture, (if known); - dimensional drawing of specimen/s; - the results of the test; - product designation from manufacturers literature; observations as to the condition of

44、the specimen/s; date of test; date of calibration of test chamber and equipment; date of report; signature of person preparing the report.Page 9 EN 12179:2000 BSI 082000 Figure 1 - Example of test specimen built onto test chamber Typical module Typical storey height of structure to chamber around to

45、tal Test specimen sealed perimeter. Simulated floor structure Enclosed surround to test chamber width Typical storey height of curtain walling Typical module widthBS EN 12179:2000 BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |

46、 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presen

47、ts the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI

48、to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: 020 8996 9000

49、. Fax: 020 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: 020 8996 9001. Fax: 020 8996 7001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards,

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