/home/gencode/cen/w1288p5/128 1 29520 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |[.]
Trang 1|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1288-5:2000
The European Standard EN 1288-5:2000 has the status of a
British Standard
Glass in building Ð
Determination of the
bending strength of
glass Ð
Part 5: Coaxial double ring test on flat
specimens with small test surface areas
Trang 2This 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
BS EN 1288-5:2000
Amendments issued since publication
National foreword
This British Standard is the official English language version of EN 1288-5:2000 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, which has the responsibility to:
Ð aid enquirers to understand the text;
Ð present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed;
Ð 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
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 ªInternational Standards Correspondence Indexº, or by using the ªFindº 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 with 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 15 and a back cover.
The BSI copyright notice displayed in this document indicates when the document was last issued.
Trang 31250((8523e(11(
(8523b,6&+(1250
(1
-XQH
,&6
(QJOLVKYHUVLRQ
*ODVVLQEXLOGLQJ'HWHUPLQDWLRQRIWKHEHQGLQJVWUHQJWKRI
JODVV3DUW&RD[LDOGRXEOHULQJWHVWRQIODWVSHFLPHQVZLWK
VPDOOWHVWVXUIDFHDUHDV
9HUUHGDQVODFRQVWUXFWLRQ'pWHUPLQDWLRQGHODUpVLVWDQFH
GXYHUUHjODIOH[LRQ3DUWLH(VVDLVDYHFGRXEOHV
DQQHDX[FRQFHQWULTXHVVXUpSURXYHWWHVSODQHVDYHFGH
SHWLWHVVXUIDFHVGHVROOLFLWDWLRQ
*ODVLP%DXZHVHQ%HVWLPPXQJGHU%LHJHIHVWLJNHLWYRQ
*ODV7HLO'RSSHOULQJ%LHJHYHUVXFKDQSODWWHQI|UPLJHQ
3UREHQPLWNOHLQHQ3UIIOlFKHQ
7KLV(XURSHDQ6WDQGDUGZDVDSSURYHGE\&(1RQ6HSWHPEHU
&(1PHPEHUVDUHERXQGWRFRPSO\ZLWKWKH&(1&(1(/(&,QWHUQDO5HJXODWLRQVZKLFKVWLSXODWHWKHFRQGLWLRQVIRUJLYLQJWKLV(XURSHDQ 6WDQGDUGWKHVWDWXVRIDQDWLRQDOVWDQGDUGZLWKRXWDQ\DOWHUDWLRQ8SWRGDWHOLVWVDQGELEOLRJUDSKLFDOUHIHUHQFHVFRQFHUQLQJVXFKQDWLRQDO VWDQGDUGVPD\EHREWDLQHGRQDSSOLFDWLRQWRWKH&HQWUDO6HFUHWDULDWRUWRDQ\&(1PHPEHU
7KLV(XURSHDQ6WDQGDUGH[LVWVLQWKUHHRIILFLDOYHUVLRQV(QJOLVK)UHQFK*HUPDQ$YHUVLRQLQDQ\RWKHUODQJXDJHPDGHE\WUDQVODWLRQ XQGHUWKHUHVSRQVLELOLW\RID&(1PHPEHULQWRLWVRZQODQJXDJHDQGQRWLILHGWRWKH&HQWUDO6HFUHWDULDWKDVWKHVDPHVWDWXVDVWKHRIILFLDO YHUVLRQV
&(1PHPEHUVDUHWKHQDWLRQDOVWDQGDUGVERGLHVRI$XVWULD%HOJLXP&]HFK5HSXEOLF'HQPDUN)LQODQG)UDQFH*HUPDQ\*UHHFH ,FHODQG,UHODQG,WDO\/X[HPERXUJ1HWKHUODQGV1RUZD\3RUWXJDO6SDLQ6ZHGHQ6ZLW]HUODQGDQG8QLWHG.LQJGRP
(8523($1 &200,77(( )25 67$1'$5',=$7,21
Trang 4(1
)RUHZRUG
6FRSH
1RUPDWLYHUHIHUHQFHV
'HILQLWLRQV
6\PEROV
3ULQFLSOHRIWHVWPHWKRG
$SSDUDWXV
7HVWLQJPDFKLQH
/RDGLQJGHYLFH
0HDVXULQJLQVWUXPHQWV
6DPSOH
6KDSHDQGGLPHQVLRQVRIVSHFLPHQV
6DPSOLQJDQGSUHSDUDWLRQRIVSHFLPHQV
1XPEHURIVSHFLPHQV
3URFHGXUH
7HPSHUDWXUH
+XPLGLW\
7KLFNQHVVPHDVXUHPHQW
%DVHSODWH
3RVLWLRQLQJRIVSHFLPHQDQGORDGLQJULQJ
/RDGDSSOLFDWLRQ
/RFDWLRQRIWKHRULJLQ
$VVHVVPHQWRIUHVLGXDOVWUHVVHV
(YDOXDWLRQ
/LPLWDWLRQRIWKHHYDOXDWLRQ
&DOFXODWLRQRIEHQGLQJVWUHQJWK
7HVWUHSRUW
$QQH[$LQIRUPDWLYH%LEOLRJUDSK\
Trang 53DJH (1
)RUHZRUG
7KLV(XURSHDQ6WDQGDUGKDVEHHQSUHSDUHGE\7HFKQLFDO&RPPLWWHH&(17&
*ODVVLQEXLOGLQJWKH6HFUHWDULDWRIZKLFKLVKHOGE\,%1
7KLV(XURSHDQ6WDQGDUGVKDOOEHJLYHQWKHVWDWXVRIDQDWLRQDOVWDQGDUGHLWKHUE\ SXEOLFDWLRQRIDQLGHQWLFDOWH[WRUE\HQGRUVHPHQWDWWKHODWHVWE\'HFHPEHU DQGFRQIOLFWLQJQDWLRQDOVWDQGDUGVVKDOOEHZLWKGUDZQDWWKHODWHVWE\'HFHPEHU
&(17& :* 0HFKDQLFDO 6WUHQJWK SUHSDUHG WKH GUDIW *ODVV LQ EXLOGLQJ 'HWHUPLQDWLRQRIWKHEHQGLQJVWUHQJWKRIJODVV3DUW&RD[LDOGRXEOHULQJWHVWRQIODW VSHFLPHQVZLWKVPDOOWHVWVXUIDFHDUHDV
7KHUHDUHIRXURWKHUSDUWVWRWKLVVWDQGDUG
3DUW)XQGDPHQWDOVRIWHVWLQJJODVV
3DUW&RD[LDOGRXEOHULQJWHVWRQIODWVSHFLPHQVZLWKODUJHWHVWVXUIDFHDUHDV
3DUW7HVWZLWKVSHFLPHQVXSSRUWHGDWWZRSRLQWVIRXUSRLQWEHQGLQJ
3DUW7HVWLQJRIFKDQQHOVKDSHGJODVV
$FFRUGLQJ WR WKH &(1&(1(/(& ,QWHUQDO 5HJXODWLRQV WKH QDWLRQDO VWDQGDUGV RUJDQL]DWLRQV RI WKH IROORZLQJ FRXQWULHV DUH ERXQG WR LPSOHPHQW WKLV (XURSHDQ 6WDQGDUG $XVWULD %HOJLXP &]HFK 5HSXEOLF 'HQPDUN )LQODQG )UDQFH *HUPDQ\
*UHHFH ,FHODQG ,UHODQG ,WDO\ /X[HPERXUJ 1HWKHUODQGV 1RUZD\ 3RUWXJDO 6SDLQ 6ZHGHQ6ZLW]HUODQGDQGWKH8QLWHG.LQJGRP
Trang 6(1
6FRSH
7KLV (XURSHDQ 6WDQGDUG VSHFLILHV D PHWKRG IRU GHWHUPLQLQJ WKH FRPSDUDWLYH EHQGLQJ VWUHQJWKRIJODVVIRUXVHLQEXLOGLQJVH[FOXGLQJWKHHIIHFWVRIWKHHGJHV
127( 6HH LQ (1 IRU DQ H[SODQDWLRQ DV WR ZK\ WKLV WHVW PHWKRG VKRXOG RQO\ EH XVHG IRU FRPSDULQJ WKH VWUHQJWK RI W\SHV RI JODVV DQG QRW IRU DVVHVVLQJVWUHQJWKIRUGHVLJQSXUSRVHV
7KHOLPLWDWLRQVRIWKLVVWDQGDUGDUHGHVFULEHGLQ(1
(1VKRXOGEHUHDGLQFRQMXQFWLRQZLWKWKLVVWDQGDUG
7KLVWHVWLVQRWVXLWDEOHIRUSDWWHUQHGJODVV
1RUPDWLYHUHIHUHQFHV
7KLV (XURSHDQ 6WDQGDUG LQFRUSRUDWHV E\ GDWHG RU XQGDWHG UHIHUHQFH SURYLVLRQV IURP RWKHUSXEOLFDWLRQV7KHVHQRUPDWLYHUHIHUHQFHVDUHFLWHGDWWKHDSSURSULDWHSODFHVLQWKH WH[W DQG WKH SXEOLFDWLRQV DUH OLVWHG KHUHDIWHU )RU GDWHG UHIHUHQFHV VXEVHTXHQW DPHQGPHQWVWRRUUHYLVLRQVRIDQ\RIWKHVHSXEOLFDWLRQVDSSO\WRWKLV(XURSHDQ6WDQGDUG RQO\ZKHQLQFRUSRUDWHGLQLWE\DPHQGPHQWRUUHYLVLRQ)RUXQGDWHGUHIHUHQFHVWKHODWHVW HGLWLRQRIWKHSXEOLFDWLRQUHIHUUHGWRDSSOLHV
(1 *ODVVLQEXLOGLQJ'HWHUPLQDWLRQRIWKHEHQGLQJVWUHQJWKRIJODVV3DUW
)XQGDPHQWDOVRIWHVWLQJJODVV
(1 *ODVVLQEXLOGLQJ%DVLFVRGDOLPHVLOLFDWHJODVVSURGXFWV3DUW'HILQLWLRQV
DQGJHQHUDOSK\VLFDODQGPHFKDQLFDOSURSHUWLHV
EHWZHHQ,5+'DQG,5+'
'HILQLWLRQV
)RUWKHSXUSRVHVRIWKLVVWDQGDUGWKHIROORZLQJGHILQLWLRQDSSOLHV
EHQGLQJVWUHVVWKHWHQVLOHEHQGLQJVWUHVVLQGXFHGLQWKHVXUIDFHRIDVSHFLPHQ
127( )RU WHVWLQJ SXUSRVHV WKH EHQGLQJ VWUHVV VKRXOG EH XQLIRUP RYHU D VSHFLILHGSDUWRIWKHVXUIDFH
6\PEROV
Trang 73DJH (1
.. &RQVWDQWVIRUFDOFXODWLRQRIEHQGLQJVWUHVV
6WUHVV
3RLVVRQQXPEHURIVSHFLPHQ
127()RUVRGDOLPHVLOLFDWHJODVVVHH(1DYDOXHRILVXVHG
) W 5DWHRILQFUHDVHRIORDG
W 5DWHRILQFUHDVHRIVWUHVV
3ULQFLSOHRIWHVWPHWKRG
D VXSSRUWLQJ ULQJ UDGLXV U VKDOO EH ORDGHG E\ PHDQV RI D ORDGLQJ ULQJ UDGLXV U DUUDQJHGFRQFHQWULFDOO\UHODWLYHWRWKHVXSSRUWLQJULQJVHH)LJXUH
Trang 8(1
)LJXUH7HVWDUUDQJHPHQWLQGLFDWLQJWKHSULQFLSOHLOOXVWUDWHGIRUDFLUFXODU
VSHFLPHQ
2XWVLGH WKH ORDGLQJ ULQJ WKH UDGLDO DQG WDQJHQWLDO VWUHVVHV LQ WKH VSHFLPHQ GHFUHDVH WRZDUGVWKHHGJHVRWKDWWKHULVNRIIDLOXUHWKHUHLVVPDOO
)RUOLPLWHGORDGV)GHSHQGLQJRQWKHYDOXHVRIUUUDQGKWKHUHLVLQWKHFHQWUDO
UHJLRQRIWKHFRQYH[O\EHQWVSHFLPHQVXUIDFHDWHQVLOHVWUHVVILHOGVHH>@LQDQQH[$ H[WHQGLQJLQDOOGLUHFWLRQVDQGXQLIRUPWKHDUHDLQWKLVILHOGEHLQJERXQGHGE\WKHORDGLQJ ULQJ
%\LQFUHDVLQJWKHORDG)WKHWHQVLOHVWUHVVLQWKHPLGGOHRIWKHVSHFLPHQLVLQFUHDVHGDW
DFRQVWDQWUDWHXQWLOIDLOXUHRFFXUVWKHH[SHFWHGSRLQWRIIDLOXUHEHLQJLQWKHPRVWVHYHUHO\ VWUHVVHGVXUIDFHUHJLRQGHILQHGE\WKHORDGLQJULQJ
ZKHQIDLOXUHRFFXUVDQGWKHVSHFLPHQWKLFNQHVVKWDNLQJLQWRDFFRXQWWKHGLPHQVLRQVRI
WKHVTXDUHRUFLUFXODUVSHFLPHQVDQGWKHYDOXHIRU3RLVVRQQXPEHU RIWKHVSHFLPHQ
Trang 93DJH (1
$SSDUDWXV
7HVWLQJPDFKLQH
7KH EHQGLQJ WHVW VKDOO EH FDUULHG RXW XVLQJ D VXLWDEOH EHQGLQJ WHVWLQJ PDFKLQH ZKLFK VKDOOLQFRUSRUDWHWKHIROORZLQJIHDWXUHV
D7KHVWUHVVLQJRIWKHVSHFLPHQVKDOOEHFDSDEOHRIEHLQJDSSOLHGIURP]HURXS WRDPD[LPXPYDOXHLQDPDQQHUZKLFKPLQLPL]HVVKRFNDQGLVVWHSOHVV
E7KHVWUHVVLQJGHYLFHVKDOOEHFDSDEOHRIWKHVSHFLILHGUDWHRIVWUHVVLQJ
F7KHWHVWLQJPDFKLQHVKDOOLQFRUSRUDWHDORDGPHDVXULQJGHYLFHZLWKDOLPLWRI HUURURIZLWKLQWKHPHDVXULQJUDQJH
/RDGLQJGHYLFH
7KHORDGLQJGHYLFHVKDOOEHDUUDQJHGDVLOOXVWUDWHGLQ)LJXUHZLWKGLPHQVLRQVFRQIRUPLQJWR 7DEOHIRUWKHWZRFRPELQDWLRQVRIORDGLQJULQJDQGVXSSRUWLQJULQJDFFHSWHGIRUWKHFRD[LDO
GRXEOHULQJEHQGLQJWHVW7KHUDGLXVUDWLRUUVKDOOEH
7DEOH'LPHQVLRQVRIORDGLQJULQJDQGVXSSRUWLQJULQJ
ULQJU
PP
5DGLXVRI
VXSSRUWLQJULQJU
PP
5DGLXVURU/RI
VSHFLPHQDV VSHFLILHGLQ 7DEOH
PP 5
D7KHUDGLXVRIFXUYDWXUHRIWKHEHDULQJVXUIDFHRIWKHVXSSRUWLQJULQJVKDOOEHPP
E7KHVLOLFRQHUXEEHUVKDOOEHPPWKLFNRUDOWHUQDWLYHO\DUXEEHUVHFWLRQPPWKLFN PDWFKHGWRWKHVXSSRUWLQJULQJZLWKDKDUGQHVVRI,5+'DFFRUGLQJWR,62
F7KHUDGLXVRIFXUYDWXUHRIWKHEHDULQJVXUIDFHRIWKHORDGLQJULQJVKDOOEHPP
Trang 10(1
&URVVVHFWLRQ
)LJXUH/RDGLQJGHYLFH
Trang 113DJH (1
0HDVXULQJLQVWUXPHQWV
7KHIROORZLQJPHDVXULQJLQVWUXPHQWVDUHUHTXLUHG
DPHDVXULQJLQVWUXPHQWHQDEOLQJWKHGLDPHWHURUWKHOHQJWKRIWKHVLGHRIWKHVSHFLPHQWR EHPHDVXUHGWRWKHQHDUHVWPLOOLPHWUH
D PHDVXULQJ LQVWUXPHQW DOORZLQJ WKH WKLFNQHVV RI WKH VSHFLPHQ WR EH PHDVXUHG WR WKH QHDUHVWPP
6DPSOH
6KDSHDQGGLPHQVLRQVRIVSHFLPHQV
&LUFXODURUVTXDUHVSHFLPHQVDVVSHFLILHGLQ7DEOHDQG7DEOHVKDOOEHXVHG
7DEOH'LPHQVLRQVRIVSHFLPHQV
VLGHOHQJWK/
PP
7KLFNQHVVK
PLQLPXP
5
127(:LWKLQWKHOLPLWDWLRQVRI7DEOHVDQGWKHORDGLQJGHYLFH5VKDOO
JHQHUDOO\EHVHOHFWHG
Trang 12(1
7DEOH0LQLPXPWKLFNQHVVRIVSHFLPHQVDVDIXQFWLRQRIEHQGLQJVWUHQJWK
0LQLPXPWKLFNQHVVRIVSHFLPHQVIRUORDGLQJGHYLFH
5
E%
127(:LWKLQWKHOLPLWDWLRQVRI7DEOHVDQGWKHORDGLQJGHYLFH5VKDOO
JHQHUDOO\EHVHOHFWHG
,Q FDVHV LQ ZKLFK QRW HYHQ WKH DSSUR[LPDWH YDOXH RI WKH DQWLFLSDWHG EHQGLQJ VWUHQJWK LV NQRZQEHIRUHKDQGWKHGDWDJLYHQLQWKHODVWOLQHRI7DEOHYDOXHVIRUEHQGLQJVWUHQJWKXS
KDYHEHHQHYDOXDWHGWKHDSSURSULDWHPLQLPXPWKLFNQHVVVKDOOEHGHWHUPLQHGIURP7DEOH 7KHIROORZLQJWROHUDQFHVVKDOODSSO\WRWKDWSRUWLRQRIWKHVSHFLPHQERXQGHGE\WKHFRQWDFW FLUFOHRIWKHVXSSRUWLQJULQJ
WKHIODWQHVVWROHUDQFHVKDOOEHPP
WKHSDUDOOHOLVPWROHUDQFHVKDOOEHRIWKHVSHFLPHQWKLFNQHVV
6DPSOLQJDQGSUHSDUDWLRQRIVSHFLPHQV
&XWWLQJDQGKDQGOLQJ
7KHJUHDWHVWFDUHVKDOOEHWDNHQWKDWWKHWHVWVXUIDFHZKLFKZLOOEHVXEVHTXHQWO\VXEMHFWHG WRWHQVLOHVWUHVVGRHVQRWFRPHLQWRFRQWDFWZLWKWRROVJULQGLQJDJHQWVJODVVVSOLQWHUVHWF DQGDOVRLVQRWGDPDJHGGXULQJVWRUDJH
127( ,Q RUGHU WR SUHVHUYH VSHFLILF VXUIDFH FRQGLWLRQV WKH WHVW VXUIDFH FDQ EH SURYLGHGZLWKDSURWHFWLYHFRDWLQJJOXHGGRZQGXULQJVSHFLPHQSUHSDUDWLRQ
127(7KHPHWKRGRIFXWWLQJVSHFLPHQVLVQRWVLJQLILFDQWDQGQRHGJHSURFHVVLQJ LVQHFHVVDU\