1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 1288-2:2000 The Eur
2、opean Standard EN 1288-2:2000 has the status of a British Standard ICS 81.040.20 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Glass in building Determination of the bending strength of glass Part 2: Coaxial double ring test on flat specimens with large test surface areasThi
3、s British Standard, having been prepared under the direction of the Sector Committee for Building 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 36154 3 BS EN 1288-2:2000 Amendments issued since publi
4、cation Amd. No. Date Comments National foreword This British Standard is the official English language version of EN 1288-2:2000. The UK participation in its preparation was entrusted by Technical Committee B/520, Glass and glazing in building, to Subcommittee B/520/4, Properties and glazing methods
5、, which has the responsibility to: aid enquirers to understand the text; present to the 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
6、UK. A list of organizations represented on this subcommittee can be obtained on request 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
7、“International Standards Correspondence Index”, or by using the “Find” facility of the BSI 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 w
8、ith a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 20, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when
9、 the document was last issued.(8523($167$1$5 1250(8523e(11( (8523b,6&+(1250 (1 -XQH ,&6 (QJOLVKYHUVLRQ *ODVVLQEXLOGLQJHWHUPLQDWLRQRIWKHEHQGLQJVWUHQJWKRI JODVV3DUW&RDLDOGRXEOHULQJWHVWRQIODWVSHFLPHQVZLWK ODUJHWHVWVXUIDFHDUHDV 9HUUHGDQVODFRQVWUXFWLRQpWHUPLQDWLRQGHODUpVLVWDQFH GXYHUUHjODIOHLRQ3DUWLH(VVD
10、LVDYHFGRXEOHV DQQHDXFRQFHQWULTXHVVXUpSURXYHWWHVSODQHVDYHFGH JUDQGHVVXUIDFHVGHVROOLFLWDWLRQ *ODVLP%DXZHVHQ%HVWLPPXQJGHU%LHJHIHVWLJNHLWYRQ *ODV7HLORSSHOULQJ%LHJHYHUVXFKDQSODWWHQI|UPLJHQ 3UREHQPLWJURHQ3UIIOlFKHQ 7KLV(XURSHDQ6WDQGDUGZDVDSSURYHGE&(1RQ6HSWHPEHU &(1PHPEHUVDUHERXQGWRFRPSOZLWKWKH&(1&(1(/(&,Q
11、WHUQDO5HJXODWLRQVZKLFKVWLSXODWHWKHFRQGLWLRQVIRUJLYLQJWKLV(XURSH DQ 6WDQGDUGWKHVWDWXVRIDQDWLRQDOVWDQGDUGZLWKRXWDQDOWHUDWLRQ8SWRGDWHOLVWVDQGELEOLRJUDSKLFDOUHIHUHQFHVFRQFHUQLQJV XFKQDWLRQDO VWDQGDUGVPDEHREWDLQHGRQDSSOLFDWLRQWRWKH&HQWUDO6HFUHWDULDWRUWRDQ&(1PHPEHU 7KLV(XURSHDQ6WDQGDUGHLVWVLQWKUHHRIILFLDO
12、YHUVLRQV(QJOLVK)UHQFK*HUPDQ$YHUVLRQLQDQRWKHUODQJXDJHPDGHEWUD QVODWLRQ XQGHUWKHUHVSRQVLELOLWRID&(1PHPEHULQWRLWVRZQODQJXDJHDQGQRWLILHGWRWKH&HQWUDO6HFUHWDULDWKDVWKHVDPHVWDWXVDVW KHRIILFLDO YHUVLRQV &(1PHPEHUVDUHWKHQDWLRQDOVWDQGDUGVERGLHVRI$XVWULD%HOJLXP&HFK5HSXEOLFHQPDUN)LQODQG)UDQFH*HUPDQ*UHHFH ,FHODQ
13、G,UHODQG,WDO/XHPERXUJ1HWKHUODQGV1RUZD3RUWXJDO6SDLQ6ZHGHQ6ZLWHUODQGDQG8QLWHG.LQJGRP (8523($1 &200,77( )25 67$1$5,=$7,21 &20,7e(8523e(1(1250$/,6$7,21 (8523b,6&+(6.20,7()h5125081* &HQWUDO6HFUHWDULDWUXHGH6WDVVDUW%UXVVHOV &(1 $OOULJKWVRIHSORLWDWLRQLQDQIRUPDQGEDQPHDQVUHVHUYHG ZRUOGZLGHIRU&(1QDWLRQDO0HPEHU
14、V 5HI1R(1(3DJH (1 %6, &RQWHQWV 3DJH )RUHZRUG 6FRSH 1RUPDWLYHUHIHUHQFHV HILQLWLRQV 6PEROV 3ULQFLSOHRIWHVWPHWKRG $SSDUDWXV 6DPSOH 3URFHGXUH (YDOXDWLRQ 7HVWUHSRUW $QQH$LQIRUPDWLYH(DPSOHRIDGHYLFHIRUNHHSLQJWKHJDVSUHVVXUH SLQ OLQHZLWKWKHSLVWRQIRUFH ) $QQH%LQIRUPDWLYH%LEOLRJUDSK 3DJH (1 %6, )RUHZRUG 7KLV(X
15、URSHDQ6WDQGDUGKDVEHHQSUHSDUHGE7HFKQLFDO&RPPLWWHH&(17&*ODVV LQEXLOGLQJWKH6HFUHWDULDWRIZKLFKLVKHOGE,%1 7KLV(XURSHDQ6WDQGDUGVKDOOEHJLYHQWKHVWDWXVRIDQDWLRQDOVWDQGDUGHLWKHUE SXEOLFDWLRQRIDQLGHQWLFDOWHWRUEHQGRUVHPHQWDWWKHODWHVWEHFHPEHUDQG FRQIOLFWLQJQDWLRQDOVWDQGDUGVVKDOOEHZLWKGUDZQDWWKHODWHVWEHFHPEHU &(1
16、7& :* 0HFKDQLFDO 6WUHQJWK SUHSDUHG WKH GUDIW *ODVV LQ EXLOGLQJ HWHUPLQDWLRQRIWKHEHQGLQJVWUHQJWKRIJODVV3DUW&RDLDOGRXEOHULQJWHVWRQIODW VSHFLPHQVZLWKODUJHWHVWVXUIDFHDUHDV 7KHUHDUHIRXURWKHUSDUWVWRWKLVVWDQGDUG 3DUW)XQGDPHQWDOVRIWHVWLQJJODVV 3DUW7HVWZLWKVSHFLPHQVXSSRUWHGDWWZRSRLQWVIRXUSRLQWEHQGLQJ 3DUW7HV
17、WLQJRIFKDQQHOVKDSHGJODVV 3DUW&RDLDOGRXEOHULQJWHVWRQIODWVSHFLPHQVZLWKVPDOOWHVWVXUIDFHDUHDV $FFRUGLQJ WR WKH &(1&(1(/(& ,QWHUQDO 5HJXODWLRQV WKH QDWLRQDO VWDQGDUGV RUJDQLDWLRQVRIWKHIROORZLQJFRXQWULHVDUHERXQGWRLPSOHPHQWWKLV(XURSHDQ6WDQGDUG $XVWULD%HOJLXP&HFK5HSXEOLFHQPDUN)LQODQG)UDQFH*HUPDQ*UHHFH,FHODQ
18、G ,UHODQG,WDO/XHPERXUJ1HWKHUODQGV1RUZD3RUWXJDO6SDLQ6ZHGHQ6ZLWHUODQG DQGWKH8QLWHG.LQJGRP3DJH (1 %6, 6FRSH 7KLV(XURSHDQ6WDQGDUGVSHFLILHVDPHWKRGIRUGHWHUPLQLQJWKHEHQGLQJVWUHQJWKRIJODVV IRUXVHLQEXLOGLQJVHFOXGLQJWKHHIIHFWVRIWKHHGJHV 7KHOLPLWDWLRQVRIWKLVVWDQGDUGDUHGHVFULEHGLQ(1 (1VKRXOGEHUHDGLQFRQMXQFWLRQZ
19、LWKWKLVVWDQGDUG 1RUPDWLYHUHIHUHQFHV 7KLV(XURSHDQ6WDQGDUGLQFRUSRUDWHVEGDWHGRUXQGDWHGUHIHUHQFHSURYLVLRQVIURP RWKHUSXEOLFDWLRQV7KHVHQRUPDWLYHUHIHUHQFHVDUHFLWHGDWWKHDSSURSULDWHSODFHVLQWKH WHW DQG WKH SXEOLFDWLRQV DUH OLVWHG KHUHDIWHU )RU GDWHG UHIHUHQFHV VXEVHTXHQW DPHQGPHQWVWRRUUHYLVLRQVRIDQRIWKHVHSXEO
20、LFDWLRQVDSSOWRWKLV(XURSHDQ6WDQGDUG RQOZKHQLQFRUSRUDWHGLQLWEDPHQGPHQWRUUHYLVLRQ)RUXQGDWHGUHIHUHQFHVWKHODWHVW HGLWLRQRIWKHSXEOLFDWLRQUHIHUUHGWRDSSOLHV (1 *ODVVLQEXLOGLQJHWHUPLQDWLRQRIWKHEHQGLQJVWUHQJWKRIJODVV 3DUW)XQGDPHQWDOVRIWHVWLQJJODVV (1 *ODVVLQEXLOGLQJ%DVLFVRGDOLPHVLOLFDWHJODVVSURGXFWV3DUW HILQL
21、WLRQVDQGJHQHUDOSKVLFDODQGPHFKDQLFDOSURSHUWLHV ,62 5XEEHU YXOFDQLHG RU WKHUPRSODVWLF HWHUPLQDWLRQ RI KDUGQHVV KDUGQHVVEHWZHHQ,5+DQG,5+ HILQLWLRQV )RUWKHSXUSRVHVRIWKLVVWDQGDUGWKHIROORZLQJGHILQLWLRQVDSSO EHQGLQJVWUHVV WKHWHQVLOHEHQGLQJVWUHVVLQGXFHGLQWKHVXUIDFHRIDVSHFLPHQ 127()RUWHVWLQJSXUSRVHVWKHEHQGLQ
22、JVWUHVVVKRXOGEHXQLIRUPRYHUDVSHFLILHG SDUWRIWKHVXUIDFH HIIHFWLYHEHQGLQJVWUHVV DZHLJKWHGDYHUDJHRIWKHWHQVLOHEHQGLQJVWUHVVHV FDOFXODWHGEDSSOLQJDIDFWRUWRWDNHLQWRDFFRXQWQRQXQLIRUPLWRIWKHVWUHVVILHOG EHQGLQJVWUHQJWK WKHEHQGLQJVWUHVVRUHIIHFWLYHEHQGLQJVWUHVVZKLFKOHDGVWR EUHDNDJHRIWKHVSHFLPHQ HTXLYDOHQWEHQGLQJ
23、VWUHQJWK WKHDSSDUHQWEHQGLQJVWUHQJWKRISDWWHUQHGJODVV IRUZKLFKWKHLUUHJXODULWLHVLQWKHWKLFNQHVVGRQRWDOORZSUHFLVHFDOFXODWLRQRIWKHEHQGLQJ VWUHVV3DJH (1 %6, 6PEROV $ (IIHFWLYHVXUIDFHDUHDRITXDVLXQLIRUPVWUHVV ( 0RGXOXVRIHODVWLFLWVHHHTXDWLRQVWR 3DJH (1 %6, 3ULQFLSOHRIWHVWPHWKRG 7KHVTXDUHVSHFLPHQRIVLGHOHQJWK /
24、DQGKDYLQJYLUWXDOOSODLQSDUDOOHOVXUIDFHVLV SODFHGORRVHORQDVXSSRUWLQJULQJDFLUFXODUULQJZLWKDUDGLXV U 7KHVSHFLPHQLV VXEMHFWHGWRDORDG ) ULQJ EPHDQVRIDORDGLQJULQJUDGLXV U ZKLFKLVDUUDQJHG FRQFHQWULFDOOWRWKHVXSSRUWLQJULQJ,QDGGLWLRQWKHDUHD $GHILQHGEWKHORDGLQJULQJ U U LVSODFHGXQGHUJDVSUHVVXUH SZKLFKKDVDVSHFLIL
25、FUHODWLRQVKLSZLWKWKHULQJ ORDG ) ULQJ VHH)LJXUH :KHQ WKH VSHFLPHQ LV VXEMHFWHG WR WKH ULQJ ORDG DQG WKH DVVRFLDWHG JDV SUHVVXUH GHSHQGLQJXSRQWKHGLPHQVLRQV U U /DQG KDUDGLDOWHQVLOHVWUHVVILHOGZKLFKLV VXIILFLHQWOKRPRJHQHRXVIRUWKHWHVWSXUSRVHLVGHYHORSHGRQWKHFRQYHOEHQWVXUIDFH RYHUWKHDUHDGHILQHGEWKHORDGLQJU
26、LQJVHHRIDQQH%7KHWDQJHQWLDO WHQVLOHVWUHVVLVHTXDOWRWKHUDGLDOWHQVLOHVWUHVVDWWKHFHQWUDOSRLQW U RIWKH VSHFLPHQEXWGHFUHDVHVDVWKHUDGLXV ULQFUHDVHV 2XWVLGHWKHORDGLQJULQJWKHUDGLDODQGWDQJHQWLDOVWUHVVHVIDOOVKDUSOWRZDUGVWKHHGJHRI WKHVSHFLPHQVRWKDWWKHULVNRIEUHDNDJHRXWVLGHWKHORDGLQJULQJLVORZ2QWKHHGJHRI WKHVSHFLPH
27、QLWVHOIWKHUDGLDOVWUHVVLVHURDQGWKHWDQJHQWLDOVWUHVVLVDFRPSUHVVLYH VWUHVVWKLVEHLQJWKHFDVHRQERWKWKHFRQFDYHODQGWKHFRQYHOEHQWVLGHVRIWKH VSHFLPHQ7KHHGJHRIWKHVSHFLPHQLVWKXVDOZDVXQGHUWDQJHQWLDOFRPSUHVVLYHVWUHVV VHH(1 %LQFUHDVLQJWKHIRUFH )DQGWKHJDVSUHVVXUH SWKHWHQVLOHVWUHVVLQWKHFHQWUDOSDUWRI WKHVSHFLPHQLVLQFU
28、HDVHGDWDFRQVWDQWUDWHVHHEXQWLOEUHDNDJHVRWKHRULJLQRI WKHEUHDNFDQEHHSHFWHGWRRFFXULQWKHVXUIDFHDUHDVXEMHFWHGWRPDLPXPWHQVLOH VWUHVVZLWKLQWKHORDGLQJULQJ 127(:LWKWKHWHVWDSSDUDWXVDVVKRZQLQ)LJXUHDIRUFH S$DFWVDJDLQVWWKH SLVWRQIRUFH )GXHWRWKHJDVSUHVVXUH S7KHIRUFHWUDQVIHUUHGEWKHORDGLQJULQJ LV) ULQJ ) S$7KXVDGLVW
29、LQFWLRQVKRXOGEHPDGHEHWZHHQWKHSLVWRQIRUFHDQGWKH ULQJORDG 7KHEHQGLQJVWUHQJWK s E% RUHTXLYDOHQWEHQGLQJVWUHQJWK s EHT% LVFDOFXODWHGIURPWKH PDLPXPYDOXH ) PD RIWKHSLVWRQIRUFHPHDVXUHGDWWKHWLPHRIEUHDNDJHDQGWKH WKLFNQHVV K RI WKH VSHFLPHQ WDNLQJ LQWR DFFRXQW WKH SUHVFULEHG GLPHQVLRQV RI WKH VSHFLPHQ DQG YDUL
30、RXV FKDUDFWHULVWLF PDWHULDO YDOXHV 7KLV DVVXPHV WKDW WKH JDV SUHVVXUH S IROORZV WKH SLVWRQ IRUFH ) DFFRUGLQJ WR WKH QRPLQDO IXQFWLRQ S ) VHH)LJXUH3DJH (1 %6, $SSDUDWXV 7HVWLQJPDFKLQH 7KHEHQGLQJWHVWVKDOOEHFDUULHGRXWXVLQJDVXLWDEOHEHQGLQJWHVWLQJPDFKLQHZKLFKVKDOO LQFRUSRUDWHWKHIROORZLQJIHDWXUHV D7KHVWUH
31、VVLQJRIWKHVSHFLPHQVKDOOEHFDSDEOHRIEHLQJDSSOLHGIURPHURXSWR DPDLPXPYDOXHLQDPDQQHUZKLFKPLQLPLHVVKRFNDQGLVVWHSOHVV E7KHVWUHVVLQJGHYLFHVKDOOEHFDSDEOHRIWKHVSHFLILHGUDWHRIVWUHVVLQJ F7KHWHVWLQJPDFKLQHVKDOOLQFRUSRUDWHDORDGPHDVXULQJGHYLFHZLWKDOLPLWRI HUURURIZLWKLQWKHPHDVXULQJUDQJH /RDGLQJULQJ 6SHFLPHQ 6XSSRUW
32、LQJULQJ )LJXUH%DVLFGLDJUDPRIWHVWDSSDUDWXV3DJH (1 %6, 6SHFLPHQ 5LJLGEDVHSODWHSUHIHUDEOPDGHRIVWHHOZLWKVXSSRUWLQJULQJUDGLXV U 5XEEHU SURILOH DGDSWHG WR WKH VXSSRUWLQJ ULQJ PP WKLFN ZLWK D KDUGQHVV ,5+LQDFFRUGDQFHZLWK,62 5LJLGORDGLQJULQJUDGLXV U SUHIHUDEOPDGHRIVWHHO )RUFHWUDQVPLWWLQJFRPSRQHQWZLWKDEDOOPH
33、FKDQLVPWRHQVXUHWKHIRUFHLVFHQWUHG LQWKHORDGLQJULQJ 5XEEHU SURILOH DGDSWHG WR WKH ORDGLQJ ULQJ PP WKLFN ZLWK D KDUGQHVV ,5+LQDFFRUGDQFHZLWK,62 $GMXVWPHQWMDZVIRUFHQWULQJWKHVSHFLPHQ &RQWDFWFLUFOHRIWKHORDGLQJULQJ &RQWDFWFLUFOHRIWKHVXSSRUWLQJULQJ 127( 7KHUDGLXVRIFXUYDWXUHRIWKHEHDULQJVXUIDFHRIWKHULQJLVPP ,
34、QWKHFDVHRIVSHFLPHQVZKLFKDUHSDWWHUQHGRQWKHORDGLQJULQJVLGHD VSRQJHUXEEHUSURILOHDSSURLPDWHOPPWKLFNVKRXOGDOVREHXVHGWRHQVXUHDQ DGHTXDWHVHDOIRUWKHJDVSUHVVXUH 7KHMDZVDUHUHPRYHGEHIRUHWKHEHQGLQJWHVWLVVWDUWHGLQRUGHUWKDWWKHHGJH RIWKHVSHFLPHQLVQRWFODPSHG )LJXUH/RDGLQJGHYLFH /RDGLQJGHYLFH 5LQJORDG 7KH ULQJ ORDG
35、VKDOO EH DSSOLHG XVLQJ D ORDGLQJ GHYLFH DV VKRZQ LQ )LJXUH 7KH GLPHQVLRQVRIWKHORDGLQJGHYLFHDUHJLYHQLQ7DEOH3DJH (1 %6, 7DEOHLPHQVLRQVIRUWKHORDGLQJULQJDQGVXSSRUWLQJULQJ /RDGLQJULQJ U PP 6XSSRUWLQJULQJ U PP (IIHFWLYHVXUIDFHDUHD $ PP 6XUIDFHSUHVVXUHUHJXODWRU 7KHORDGLQJGHYLFHIRUWKHVXUIDFHSUHVVXUHLVVKRZQL
36、Q)LJXUH 7KHUHJXODWRUVKDOOEHFKRVHQZLWKUHJDUGWRDFFXUDFDQGIORZUDWHLQVXFKDZDWKDWWKH QRPLQDOIXQFWLRQ S )DVVKRZQLQ)LJXUHRU7DEOHFDQEHPHWVHHDQQH$ 0HDVXULQJLQVWUXPHQWV 7KHIROORZLQJPHDVXULQJLQVWUXPHQWVDUHUHTXLUHG DPHDVXULQJLQVWUXPHQWHQDEOLQJWKHZLGWKRIWKHVSHFLPHQWREHPHDVXUHGWRWKH QHDUHVWPLOOLPHWUH DPHDVXULQJLQ
37、VWUXPHQWDOORZLQJWKHWKLFNQHVVRIWKHVSHFLPHQWREHPHDVXUHGWR WKHQHDUHVWPP 6DPSOH 6KDSHDQGGLPHQVLRQVRIWKHVSHFLPHQV 6TXDUHVSHFLPHQVRIWKHGLPHQVLRQVVKRZQLQ7DEOHVKDOOEHXVHG 7KHPLQLPXPWKLFNQHVVJLYHQIRUWKHVSHFLPHQVKDVEHHQFDOFXODWHGLQVXFKDZDWKDW WKHHIIHFWRIWKHVHOIZHLJKWRIWKHVSHFLPHQXSRQWKHVWUHVVGLVWULEXWLRQFDQEH
38、LJQRUHG 7DEOHLPHQVLRQVRIVSHFLPHQV 6SHFLPHQVLGHOHQJWK / PP 0LQLPXPQRPLQDO VSHFLPHQWKLFNQHVV PP $YHUDJHVSHFLPHQUDGLXV IRUHYDOXDWLRQ U P PP 3DJH (1 %6, 7KHIROORZLQJWROHUDQFHVIRUWKHVSHFLPHQVVKDOOEHREVHUYHG ,QWKHFDVHRIVSHFLPHQVZLWKIODWVXUIDFHV WKHHYHQQHVVWROHUDQFHVKDOOEHPP WKHSDUDOOHOLVPWROHUDQFHVKDOOEHR
39、IWKHVSHFLPHQWKLFNQHVV ,QWKHFDVHRIVSHFLPHQVZLWKRQHRUWZRSDWWHUQHGVXUIDFHV WKHIOXFWXDWLRQVRIWKHSODWHWKLFNQHVVVHHVKDOOQRWEHPRUHWKDQDQGWKH ORFDOGHYLDWLRQVIURPWKHDYHUDJHWKLFNQHVVGXHWRWKHGHSWKRIWKHSDWWHUQVKDOO EHDPDLPXPRUPPZKLFKHYHULVWKHORZHU 6DPSOLQJDQGSUHSDUDWLRQRIVSHFLPHQV &XWWLQJDQGKDQGOLQJ 7KH JUHDWHV
40、W FDUH VKDOO EH WDNHQ WKDW WKH WHVW VXUIDFH ZKLFK ZLOO EH VXEVHTXHQWO VXEMHFWHGWRWHQVLOHVWUHVVGRHVQRWFRPHLQWRFRQWDFWZLWKWRROVJULQGLQJDJHQWVJODVV VSOLQWHUVHWFDQGDOVRLVQRWGDPDJHGGXULQJVWRUDJH 127(,QRUGHUWRSUHVHUYHVSHFLILFVXUIDFHFRQGLWLRQVWKHWHVWVXUIDFHFDQEH SURYLGHGZLWKDSURWHFWLYHFRDWLQJJOXHGGRZQGXULQJVSHFLPHQSUHSDUDWLRQ 127( 7KH PHWKRG RI FXWWLQJ VSHFLPHQV LV QRW VLJQLILFDQW DQG QR HGJH SURFHVVLQJLVQHFHVVDU &RQGLWLRQLQJ 3URWHFWLYHFRDWLQJVVKDOOEHUHPRYHGKEHIRUHW
