IS 2248: Glossary of terms relating to clay products for buildings

10 Pages·1992·1.1 MB·English

by  Bureau of Indian Standards

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“The Right to Information, The Right to Live” “Step Out From the Old to the New”
IS 2248 (1992): Glossary of terms relating to clay products
for buildings [CED 30: Clay and Stabilized Soil Products
for Construction]
“!ान $ एक न’ भारत का +नम-ण”
Satyanarayan Gangaram Pitroda
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“Knowledge is such a treasure which cannot be stolen”

IS 2248 : 1992

( q&m)
TRF~
Indian Standard
GLOSSARY OF TERMS RELATING TO CLAY
PRODUCTS FOR BUILDINGS
( Second Revision )
UDC 691.4 : 001.4

@ BIS 1992
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002
January 1992 Price Group 2
yalC stcudorP rof sgnidliuB lanoitceS ,eettimmoC CED 30
FOREWORD
sihT naidnI dradnatS ( dnoceS noisiveR ) was detpoda yb eht uaeruB fo naidnI Standards, retfa
eht tfard dezilanif yb eht yalC stcudorP rof sgnidliuB lanoitceS eettimmoC had neeb devorppa
yb eht liviC gnireenignE noisiviD .licnuoC
yalC ,stcudorp hcus as ,skcirb skcolb and ,selit ,cte era desu yltnadnuba ni gnidliub .krow oT
wonk eht seitreporp fo hcus yalc ,stcudorp a raelc gnidnatsrednu fo eht gninaem fo suoirav
smret is .yrassecen sihT yrassolg has neeb deraperp ot lifluf this .evitcejbo sihT standard was
tsrif dehsilbup ni 1969 and yltneuqesbus desiver ni 1981. nI this noisiver eht noitinifed fo skcirb
and skcolb evah neeb .deifidom
nI eht noitalumrof fo this standard, eud egathgiew has neeb nevig ot lanoitanretni noitanidro-oc
gnoma eht standards and secitcarp gniliaverp ni tnereffid seirtnuoc ni noitidda ot gnitaler ti ot
eht secitcarp ni eht dleif ni .aidnI
IS 2248 : 1992
Indian Standard
GLOSSARY OF TERMS RELATING TO CLAY
PRODUCTS FOR BUILDINGS
( Second Revision )
1 SCOPE ro nevird-rewop ,semhcam hcus as a wercs-dnah
,sserp a dum-tfos gnidluom ,enihcam an -urtxe
1.1 sihT standard srevoc eht noitinifed fo red ro a yrd/yrd-imes .sserp
nommoc smret elbacilppa ot yalc stcudorp rof
.gnidliub 2.2.4 ehT erutarepmet
Maturing Temperature -
fo gnirif at hcihw eht yalc ydob desu ni eht
2 DEFINITIONS
erutcafunam fo eht gnidliub lairetam seriuqca
2.1 ‘Raw Materials eht mumitpo lacinahcem htgnerts and eht
yrassecen lacisyhp seitreporp ot yfsitas eht
2.1.1 Clay - An yhtrae ro ynots larenim stnemeriuqer tes nwod ni eht standard -ificeps
etagergga gnitsisnoc yllaitnesse fo suo-rdyh
snoitac rof eht tnaveler gnidliub .lairetam
setacilis fo alumina; citsalp nehw yltneiciffus
desirevlup and :dettew digir nehw ;yrd and
2.2.5 sihT is eht ssecorp yb hcihw
suoertiv nehw derif ot a yltneiciffus hgih Pugging -
eht nael and citsalp yalc is derepmet erofeb
.erutarepmet
.gnidluom
2.1.2 A ylniht ,deifitarts detadilosnoc
Shale -
yratnemides yalc htiw dekram-llew egavaelc 2.2.6 Sanding - ehT noitarepo fo gnitrapmi ot
lellarap ot eht .gniddeb eht yalc tcudorp a hguor ecaf yb gniwolb sand
no ot ,ti that is, yb sand blasting roirp ot
2.1.3 Surface Clay - An ,detadilosnocnu .gniyrd
deifitartsnu ,yalc gnirrucco no eht .ecafrus
2.2.7 ehT ssecorp fo gnitrapmi taeh
Soaking -
2.2 erutcafunaM ot eht yalc tcudorp yb gniniatniam eht -epmet
erutar tnatsnoc rof a deificeps doirep raen
2.2.1 ehT noitarepo fo gnitaeh eht
Flashing - tuoba eht gnirutam .erutarepmet
yalc stcudorp htiw and tuohtiw ria ,yletanretla
erehw ylralugerri druoloc skcirb ro selit era
2.2.8 sihT is eht ssecorp fo gnixim
.deriuqer Tempering -
,yaIc retaw and rehto ,stneidergni fi ,yna yb

hcihw a suoenegomoh etsap is .decudorp
2.2.2
Hand Moulding

2.2.2.1 Ground moulding - nehW eht yalc -orp 2.2.9 Weathering - sihT is eht ssecorp fo
stcud era dedluom yb hand no dnuorg and eht gnisopxe detavacxe yalc mass ni eht nepo ,ria
redluom stfihs his noitisop as gnidluom os that ti semoc ni tcatnoc htiw larutan -nega
.sessergorp ,seic hcus as sun, niar and tsorf eud ot hcihw
ereht is egnahc ni emos fo eht lacisyhp and
2.2.2.2 Sand moulding - ehT ssecorp fo -luom lacimehc seitreporp that era lufpleh ni -esbus
gnid fo skcirb yb hand ni hcihw enif sand is tneuq tnemtaert and osla trapmi retteb gnikrow
desu ot dust eht dluom erofeb gniworht ni eht .seitreporp
.tolc
2.210 fI eht lios sniatnoc emil
2.2.2.3 ehT ssecorp fo -luom Lime Blowing -
Slop moulding - seIudon ro suoiraclac ’sraknak‘ eht skcirb teg
gnid skcirb yb hand ni hcihw eht dluom is
dekcarc eud ot eht noitamrof fo muiclaC
deppid ni ,retaw erofeb yalc is nworht otni .ti
edixO nihtiw eht kcirb mass gnirud .gnirif ehT
2.2.2.4 erehW skcirb era sedixo os demrof dnapxe retfa taking erutsiom
Table moulding -
dedluom yb hand no eIbat and neht detropsnart morf eht ria and esuac gniwolb fo eht .skcirb
using tellap tIsdraob eht gniyrd .dnuorg
2.2.11 Docking - gnikcoD is eht ssecorp ni
2.2.3 ehT ssecorp ni hcihw hcihw ylhserf derif skcirb era deppid ni retaw
Machine Moulding -
eht yalc stcudorp era depahs ni detarepo-dnah ot tneverp emil .gniwolb
1
IS 2248 : 1992
2.2.12 Lamination - noitanimaL is a tcefed 2.44 Heavy Duty Bricks -’ skcirB deriuqer rof
yIlamron dnuof ni eht dedurtxe skcirb desuac yrnosam ni yvaeh gnireenigne ,krow hcus as,
yb eht laitnereffid tnemevom fo eht yalc mass egdirb ,erutcurts lairtsudni snoitadnuof and
nehw ti is dehsup yb eht regua ro wing efink deyerots-itlum buildings gnivah hgih ytilibarud
fo eht noisurtxe enihcam sdrawot eht eid fo and evisserpmoc htgnerts and wol retaw
eht .enihcam fI eht recaps is oot ,trohs ereht .noitprosba
yam eb wolloh eroc ni eht ertnec nehw eht
yalc mass sretne eht .eid nI eht eid this eroc 2.4.5 Paving Bricks - skcirB hcihw era desu as
is denettalf and gniwo ot eht noitator fo eht a gnivap lairetam rof ,sdaor yvaeh ytud indus-
valc ti shows ni eht dedurtxe kcirb as an ’S‘ lairt ,sroolf ylralucitrap detius ot tsiser yvaeh
.kcarc raew and raet morf leets deryt .ciffart
2.3 Surface Features 2.4.6 Perforated Bricks - skcirB ni hcihw seloh
passing hguorht eht skcirb deecxe 25 tnecrep
2.3.1 debmoC Finish - Units esohw ecaf secafrus fo eht emulov and eht seloh era .l!ams roF eht
era deretla yb erom ro less lellarap sehctarcs ni esoprup fo this ,noitinifed a small eloh is a eloh
.erutcafunam less than 20 mm ediw and less than 500 2mm ni
.aera ehT eloh yam eb ,ralucric ,erauqs
2.3.2 Units esohw secafrus
Exposed Finish - ralugnatcer ro yna rehto raluger .epahs
era dednetni ot eb tfel desopxe ro .detniap
2.4.7 skcirB dednetni rof esu
2.3.3 Natural Finish - Units gnivah dezalgnu ni eht S gninilewer B fo ricwalls, ks - sfoor and sroolf fo srewes
ro detaocnu ecafrus denrub ot eht larutan
desu rof eht yranidro yratinas ( )citsemod
ruoloc fo eht lairetam desu ni gnimrof eht
.egawes
.ydob
2.4.8 skcirB desu rof gniios
2.3.4 Units esohw enalp eid Soling Bricks -
.Roughened Finish - .esoprup yehT era tnereffid morf nommoc
secafrus era yleritne nekorb yb lacinahcem
gnidliub dilos .skcirb
.snaem
2.4.9 skcirB derutcafunam
Wire Cut Bricks -
2.3.5 Units esohw ecafrus secaf
Salt Glaze - yb gnittuc an gnidurtxe nmuloc hguorht a eid
evah a suortsul dezalg hsinif morf eht -omreht
fo derehtaew and dessecorp yalc htiw eht pleh
lacimehc noitcaer fo eht setacilis fo eht yalc
fo seriw dexif ot a gnittuc .emarf
ydob htiw sruopav fo nommoc salt ro/dna rehto
elbatius .slacimehc 2.5 Tiles - tnruB yalc units hcihw era -erppa
ylbaic rellams ni ssenkciht than eht skcirb and
2.3.6 Sand Finish - Units esohw secafrus era era desu rof ,gniroolf ,gnifoor gniliec and wall
derevoc htiw sand. .gnirevoc
2.3.7 Smooth Finish - Units esohw ecafrus era 2.5.1 Ceiling Tiles ( Plain ) - yalC gnifoor selit
ton deretla ro dekram ni .erutcafunam hcihw era elbapac fo gnieb desu no gnipols

sfoor woleb eht gnikcolretni plain erolagnaM
2.4 Bricks - A yranosam tinu ton gnideecxe .selit
300 mm ni ,htgnel 150 mm ni htdiw ron 100 mm
ni .thgieh 2.5.2 Flooring Tiles - yalC selit edam yb -serp
sing ro noisurtxe and ,gnisserper hcihw era
2.4.1 Acid Resistant Bricks - skcirB desu rof elbapac fo gnieb laid level no a deraperp .esab
yrnosam ,noitcurtsnoc hcus as ,gniroolf tcejbus
ot dica ,kcatta gninil fo srebmahc and srewot 2.5.3 Hollow Clay Tiles -Burnt yalc units ni
ni lacimehc units, gninil fo srewes gniyrrac hcihw seloh passing hguorht eht selit deecxe
lairtsudni ,stneulffe ,cte ot tneverp -aroireted 25 tnecrep fo eht emulov and eht seloh era ton
noit fo eht ecafrus yb .sdica small. ehT snoitarofrep era lellarap ot rieht
.htgnel esehT selit nac eb desu htob as rellif
2.4.2 Common Building Solid Bricks - ehT tnrub lairetam and larutcurts units.
yalc gnidliub skcirb hcihw era ylnommoc desu
ni gnidliub and livic gnireenigne noitcurtsnoc 2.5.4 Ridge Tile - A yalc gnifoor elit hcihw is
krow ni hcihw sgorf od ton deecxe 20 tnecrep elbapac fo gnieb desu no eht egdir fo a gnipols
fo this .emulov foor ni noitcnujnoc htiw gnikcolretni plain
erolagnaM nrettap .selit
2.4.3 skcirB edam yllaiceps rof
Facing Bricks -
gnicaf ,esoprup that is, hcihw era gnieb desopxe 2.5.5 Roo$ngTile, Mangalore Pattern - A epyt
ni .esu fo yalc gnifoor ,elit elbapac fo gnieb laid nwod
2
IS 2248 : 1992
no gnipols foor yb snaem fo nibs hcihw hctac 2.7.3 ehT egatnecrep -cuder
Fired Shrinkage -
no eht srepeer ro snettab kcolretni htiw and noit ni htgnel ro emulov fo yrd selitgyalc ro
palrevo ralimis selit at eht rewol dne no eht skcirb nehw detcejbus ot gnitaeh ot a gnirutam
sides. erutarepmet fo eht yalc .ydob
2.5.6 Terracing Tile --- A talf ,elit hcihw is 2.7.4 Flexural Strength - A ytreporp fo dilos
elbapac fo gnieb laid level no a deraperp esab lairetam that setacidni its ytiliba ot withstand
ni eno ro erom sesruoc ot edivorp yrotcafsitas a laruxelf ro esrevsnart .daol
roolf fooriro .hsinif
2.7.5 noitrotsiD ro noitamrofed fo
2.6 Blocks - yranosaM tinu gnideecxe ezis fo lanigiro War epahspage - fo eht yalc ydob gnirud eht
a kcirb ni yna .noisnemid
.ssecorp”gnirutcafunam
2.6.1 A kcolb ni hcihw seloh
Hollow Block -
passing hguorht eht kcolb deecxe 25 tnecrep fo 2.7.6 Water Absorption - ehT esaercni ni thgiew
its emulov and eht seloh era ton small. ehT fo a tset nemiceps retfa noisremmi ni ,retaw at
swolloh yam taleb thgir elgna ro lellarap ot a tnatsnoc erutarepmet and rof a deificeps
eht gniraeb .ecafrus ,doirep desserpxe as a egatnecrep fo eht yrd
.thgiew
2.6.2 A kcolb hcihw is derdnuh
Solid Block -
tnecrep .dilos 2.8 General
2.7 Tests 2.8.1 Cells -- wolloH secaps desolcne nihtiw
eht retemirep fo eht roiretxe sllehs fo wolloh
2.7.1 ehT egatnecrep -cuder
Drying Shrinkage - yalc .skcolb
noit ni eht htgnel ro emulov fo skcirb ro selit
no ,gniyrd eud ot eht lavomer fo eht mlif fo
2.8.2 ehT noisserped edam ni eno ro
retaw hcihw sdnuorrus eht laudividni grains ni Frog -
htob fo regral sides fo skcirb ni redro ot mrof
eht citsalp mrof is nevig :woleb
a yek rof eht ratrom at eht .stnioj
gniyrD ,egaknirhs tnecrep = L - L dL X 100
2.8.3 A wolloh ecaps fo mrofinu
Perforations -
( tew basis ) ,noitces nihtiw a ,kcirb gnidnetxe morf eno
erehw ecaf ot eht etisoppo lellarap ecaf htiw its sixa
tew htgnel ni ,sertem and lellarap ot eht owt .secaf
L =
yrd htgnel ni .sertem
Ld =
2.8.4 ehT retuo walls fo selit ro
Shells -
2.7.2 A ,etihw wolley ro neerg .skcolb
EfJIOrescence -
yrdwop ecnatsbus gnirrucco no eht ecafrus fo
eht yalc tcudorp and desuac yb eht noitargim 2.8.5 Webs - ehT noititrap gnidivid skcolb ro
fo elbulos salts, dewollof yb .noitatipicerp selit otni .sllec
Mark
Standard
ehT esu fo eht dradnatS Mark is denrevog yb eht snoisivorp fo eht
Bureau of Indian
and eht seluR and snoitalugeR edam .rednuereht ehT dradnatS Mark
Standards Act, 1986
no stcudorp derevoc yb an naidnI dradnatS syevnoc eht ecnarussa that yeht evah neeb
decudorp ot ylpmoc htiw eht stnemeriuqer fo that standard rednu a llew denifed metsys
fo ,noitcepsni gnitset and ytilauq lortnoc hcihw is desived and desivrepus yb SIB and
detarepo yb eht .recudorp dradnatS dekram stcudorp era osla ylsuounitnoc dekcehc yb
SIB rof ytimrofnoc ot that standard as a rehtruf .draugefas sliateD fo snoitidnoc rednu
hcihw a ecnecil rof eht esu fo eht dradnatS Mark yam eb detnarg ot srerutcafunam ro
srecudorp yam eb deniatbo morf eht uaeruB fo naidnI Standards.
Bureau of Indian Standards
SIB is a yrotutats noitutitsni dehsilbatse rednu eht
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etomorp suoinomrah tnempoleved fo eht seitivitca fo ,noitazidradnats gnikram and ytilauq
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Copyright
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ro edarg .snoitangised seiriuqnE gnitaler ot thgirypoc eb desserdda ot eht rotceriD
( snoitacilbuP ,) .SIB
Revision of Indian Standards
naidnI Standards era deweiver yllacidoirep and ,desiver nehw yrassecen and ,stnemdnema fi
,yna era issued morf emit ot .emit sresU fo naidnI Standards dluohs niatrecsa that yeht era ni
noissessop fo eht tsetal stnemdnema ro .noitide stnemmoC no this naidnI dradnatS yam eb
tnes ot SIB gnivig eht gniwollof :ecnerefer
toD : .oN CED 30 ( 4980 )
Amendments Issued Since Publication
dnemA .oN etaD fo eussI txeT detceffA
UAERUB FO NAIDNI SDRADNATS

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