IS 8730: Classification and codification of bul materials for continuous material handling equipment

25 Pages·1997·1.9 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 8730 (1997): Classification and codification of bul
materials for continuous material handling equipment [MED
6: Continuous Bulk Conveying, Elevating, Hoisting Aerial
Ropeways and Related Equipment]
“!ान $ एक न’ भारत का +नम-ण”
Satyanarayan Gangaram Pitroda
““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee””
“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै”
Bhartṛhari—Nītiśatakam
“Knowledge is such a treasure which cannot be stolen”

IS8730:1997
vlF&mm

Indian Standard
NOITACIFISSALC AND NOITACIFIDOC FO
KLUB SLAIRETAM ROF CONTINUOUS
LAIRETAM~ GNILDNAH TNEMPIUQE
(
First Revision )
ICS 53.040.10

Q BI S1997
BUREAU OF INDIAN STANDARDS
MANAKB HAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002
November 1997 Price Group 8
suounitnoC kluB ,gniyevnoC ,gnitavelE ,gnitsioH laireA syawepoR and detaleR tnempiuqE lanoitceS ,eettimmoC
6DNIH
FOREWORD
sihT naidnI dradnatS was detpoda yb eht uaeruB fo naidnI Standards, retfa eht tfard dezilanif yb eht suounitnoC
kluB ,gniyevnoC ,gnitavelE ,gnitsioH laireA syawepoR and detaleR tnempiuqE lanoitceS eettimmoC had neeb
devorppa yb eht yvaeH lacinahceM gnireenignE noisiviD .licnuoC
kluB slairetam era deyevnoc yb suoirav sepyt fo lairetam handling ,tnempiuqe hcus as tleb .sroyevnoc niahc
,sroyevnoc tekcub ,srotavele citamuenp gniyevnoc ,tnempiuqe .cte kluB slairetam evah tnereffid seitreporp hcihw
tceffa eht noitceles fo eseht lacinahcem handling .tnempiuqe tI is, ,erofereht evitarepmi that eht seitreporp fo klub
slairetam era deiduts erofebliated~ni an tnempiuqe is detceles rof ralucitrapa .noitacilppa sihT naidnI dradnatS is
demia ot assist eht resahcrup/reilppus/rerutcafunam ot dnatsrednu eht lairetam scitsiretcarahc yletelpmoc
tuohtiw yna noitacinummoc gap os that eht tnempiuqe is derutcafunam/de,celes rof mumitpo ycneiciffe gnirud
.snoitarepo
nI eht noitaraperp fo this naidnI ,dradnatS elbaredisnoc assistance has neeb devired morf 0SI 3435 : 1977
suounitnoC‘ lacinahcem handling tnempiuqe - noitacifissalC and noitazilobmys fo klub .’slairetam
roF eht esoprup fo gnidiced rehtehw a ralucitrap tnemeriuqer fo this standard is deilpmoc ,htiw eht lanif ,eulav
devresbo ro ,detaluclac gnisserpxe eht tluser fo a ,tset shall eb dednuor ffo ni ecnadrocca htiw SI 2 : 1960 seluR‘ rof
gnidnuor ffo laciremun seulav ( revised )‘. ehT rebmun fo tnacifingis secalp deniater ni eht dednuor ffo seulav
dluohs eb eht emas as that fo eht deificeps eulav ni this standard.
IS 8730 : 1997
Indian Standard
NOITACIFISSALC AND NOITACIFIDOC FO
KLUB SLAIRETAM ROF CONTINUOUS
LAIRETAM GNILDNAH TNEMPIUQE
(First Revision )
1 SCOPE 3.2 Abrasiveness
sihT standard syal nwod eht noitacifissalc and -idoc ssenevisarbA fo selcitrap fo- a klub lairetam is rieht
noitacif fo klub slairetam gnieb deldnah yb -unitnoc ytilibapac fo gniraew )gnidore( eht gnitcatnoc secafrus
suo lairetam handling .tnempiuqe fo ,setuhc ,stleb niahc links and rehto stnemele fo
2 YGOLONIMRET gniyevnoc .senihcam
2.0 roF eht esoprup fo this standard, eht snoitinifed 3.3 Strength
nevig ni 2.1 ot 2.3 shall .ylppa
ehT htgnerts fo selcitrap fo a klub lairetam is
2.1 elgnA of Repose denimreted yb eht etamitlu htgnerts ,noisserpmocni
a,, and is yb~desiretcarahc eht htgnerts tneiciffeoc no
elgnA fo esoper fo a lairetam is eht elgna hcihw eht
a deificeps :elacs
ecafrus fo a yleerflamron demrof sekamelip htiw eht
littnoziroh enalp nehw eht ecafrus is no citats -idnoc
htgnertS tneiciffeoc = &-
.noit
3.4 Slumping
2.2 Angle of Surcharge
gnipmulS fo emos klub ,slairetam that is eht ssol
elgnA fo egrahcrus fo a lairetam is eht elgna htiw eht
fo ytilibom fo rieht selcitrap no gnol egarots is an
latnoziroh enalp hcihw eht ecafrus fo eht lairetam
gniyonna ,ytreporp yllaicepse ni egarots fo slairetam
assumes elihw eht lairetam is at tser tub eht -troppus
ni ,sreppoh royevnoc bins and eht ekil .sreniatnoc
gni latnoziroh enalp is .gnivom sihT is rewol than eht
elgna fo esoper at tser and is yllareneg nekat as 15” ot
3.5 Stickiness
sse1’02 than fo eht elgna fo esoper at tser rof gnivom
senalp .ylno elgnA fo egrahcrus rednu gnitallicso ssenikcitS is eht yticapac fo emos klub lairetam ot kcits
snoitidnoc yrav ylediw and shall eb denimreted no ot sdilos and .secafrus
laudividni basis desab no .ecneirepxe
4 CLASSIFICATION/CODIFICATION
2.3 Lumpiness
4.1 Material Class Description
tI is deziretcarahc yb eht tsehgih raenil snoisnemid fo
mrofinu selcitarp )spmul( fo a klub daol ni a nevig ehT slairetam yam eb dehsiugnitsid as deifissalc ro
emulov .)elpmas( deifissalc-non as :swollof
3 PROPERTIES OF MATERIALS )a Classified materials - esehT era eht -iretam
als rof hcihw eht oitar neewteb eht ezis ehtfo
3.1 Moisture Content, W,,,
,tsegral ,xama and tsellams ,pmul amu,, is less
ehT erutsiom tnetnoc fo a klub ,lairetam W, ni( -rep than ro lauqe ot 2.5.
,)tnec is eht oitar fo eht mass fo retaw deniatnoc ni ,ti
)b esehT era eht
hcihw nac eb devomer yb gniyrd elpmas at a -arepmet Non-classified materials -
slairetam rof hcihw oitar xama /a,“,,, is retaerg
erut fo +105 “C, ot eht mass fo eht yrd :elpmas
than 2.5.
w = )dm--mm( y 100
m
dm 4.1.1 deifissalC slairetam era yletauqeda denifed yb
erehw eht seulav and ami,,. deifissalc-noN ,slairetam
amax
,revewoh ,eriuqer ni tsom ,sesac a etelpmoc eveis -ylana
mass fo eht ,elpmas%iom and
m, =
sis ni hcihw eht oitar fo eht pmul ezis shall ton deecxe
md = mass fo eht dq .elpmas 2.5. ehT gnidarg noitpircsni shall. at ,tsael etacidni
1
IS 8730 : 1997
eht noitroporp yb( mass) fo eht lumps neewteb 0.8 Class Description a IflOX
a max and am,,,. amax and amin gnieb eht ezis fo eht A ytsuD lairetam Up ot 0.05 mm
tsegral and eht tsellams pmul hcihw nac eb dnuof ni
eht .lairetam B deredwoP lairetam enif( sand) 0.05 - 0.50 mm
C ralunarG lairetam )niarg( 0.5 - OI mm
4.2 A kiub lairetam yam eb deifissalc yb its ,ezis
D llamS dezis ypmul )dehsurc( 10 - 60 mm
,ytilibawolf ssenevisarba and rehto .scitsiretcarahc
E muideM dezis ypmul 60 - 200 mm
4.2.1 ehT ytilibawolf fo a lairetam as derusaem yb its F egraL pmul lairetam 200 - 500 mm
elgna fo esoper and elgna fo ,egrahcrus senimreted
G yllaicepsE egral pmul ezis revO 500 mm
eht noitces-ssorc fo eht lairetam daol hcihw yam eb
hcus( as ,enots ,redluob ).cte
deirrac ylefas no a .tleb tI is osla an xedni fo eht efas
elgna fo noitanilcni fo eht tleb .royevnoc 4.2.4 noitaredisnoC shall osla eb nevig ot eht klub
ytisned rep cibuc ,ertem dustiness, .ssentew -ikcits
4.2.2 ehT ytilibawolf is denimreted yb scitsiretcarahc
ness, ,ssenevisarba yllacimehc evisorroc noitca and
hcus as eht ezis and epahs fo eht enif selcitrap and
erutarepmet klubfo .slairetam ehT noitacifidoc fo eht
lumps, ssenhguot ro ssenhtooms fo eht ecafrus fo eht
evoba scitsiretcarahc is nevig ni elbaT 2.
lairetam ,selcitrap noitroporp fo senif and lumps tneserp
and erutsiom tnetnoc fo eht .lairetam ehT lamron 4.2.5 A lairetam ni a esned larutan deb is ni undis-
pihsnoitaler fo eht evoba seitreporp and eht lareneg debrut .etats ehT oitar eht-fo ,ytisned pb, fo a lairetam
scitsiretcarahc era nevig ni elbaT 1. ni a esned deb ot its ytisned ni denesool noitidnoc is
what is dellac eht gninesool ,rotcaf k, :
4.2.3 gnidroccA ot eht pmul ,ezis a,,,,,, klub sdaol era
dedivid otni eht gniwollof :sessalc
Table 1 Class Based on Flowability, Angle of Surcharge and Angle of Repose
( Clause )2.2.4
Class Angle of Angle of Flowahility Material Characteristics Illustration
Surcharge Repose
degrees degrees 0
I 5 up
Over 0 and to 20 Very free flowing Uniform size, very small rounded

particles, either very wet or very dry,

such as dry silica sand. cement, wet
concrete, etc
up
2 10 Over 20 and to 30 Free flowing Rounded, dry polished particles, ot
medium weight, such as whole grain
and beans
3 20 Over 30 and up to 35 Average flowing Irregular, granular or lumpy materials
of medium weight, such as anthracite
coal, cotton-seed meal, clay, etc
up
4 25 Over 35 and to 40 Average flowing Typical common materials, such as
bituminous coal, stone, most ores. etc
.,
5 30 (aver 40 Sluggish Irregular, stringy, fibrous, interlocking &
\ .:::j::,.
materials such as wood chips, bagasse,
:jjz i ;j;, ;:
tempered foundry sand, etc
2
SI 8730 : 1997
Table 2 Material Class Description
(Cluuses 4.2.4,4.2.5.1 a&4.2.6.1)
Material Characteristics Description Limitations Cla __-ss
kluB ytisned thgiL pU ot 6.0 t/m’ H
muideM revO 6.0 pu ot I 6. ’m/t 1
yvaeH revO 6.1 pu ot 0.2 ”mV J
yreV yvaeh revO 0.2 pu ot 0.4 3m/t K
ssenevisarbA evisarba-noN
evisarbA -
yreV evisarba
yreV prahs stuC ro seguog tleb srevoc
suoenallecsiM scitsiretcarahc setareA dna spoleved diulf ro( laud )gnitarepo - L
scitsiretcarahc
sniatnoC evisolpxe ro( )lanretxe tsud - M
ykcitS - N
elbanimatnoC gnitceffa esu ro ytilibaelas -
,elbadargeD gnitceffa esu ro ytilibaelas - :
seviG ffo lufmrah semuf ro tsud R
ylhgiH evisorroc - s
-
yldliM evisorroc T
cipocsorgyH - U
sliO ro slacimehc tneserp yaM tceffa rebbur stcudorp W
skcaP rednu erusserp - X
yreV thgil dna @ulf ro( yrev hgih ytilibawolf dna yaM eb dniw tpews Y
)ytsud
detavelE erutarepmet - Z
ETON - semitemoS erom naht eno fo eseht scitsiretcarahc yam .ylppa
4.2.5.1 ehT ,rotcaf k,, is lauqe ot 1.12 rof sand, 1.4 rof klub slairetam no ,leets ,etercnoc ,rebbur .cte era -iced
laoc and 1.6 rof .ero ehT ytisned fo a daol sdneped evis rof gninimreted eht elgna fo enilcni fo walls and
no eht ezis fo eht selcitrap and erutsiom .tnetnoc roF segde fo ,sreknub slennuf and setuhc and -ixam~eht
ypmul and ralunarg ,slairetam this ytisned sesaerced mum selgna fo noitanilcni fo eht .royevnoc ehT -oc
htiw gnisaerced elcitrap ezis eud ot retaerg emulov fo tneiciffe fo lanretni noitcirf fo elcitrap fo klub -iretam
ria gaps neewteb .selcitrap gnidroccA ot rieht als is detaicossa htiw eht elgna fo noitcirf fo eht

,ytisned ~bulk slairetam era dedivid otni ruof sedoc lairetam yb eht =;fpihsnoitaler tan .fp ehT selgna

ees( elbaT .)2 and stneiciffeoc fo noitcirf fo klub lairetam at tser and
ni noitom era .tnereffid
6;2.4 ehT eerged fo ssenevisarba fo a klub lairetam
sdneped no eht hardness, epahs and ezis fo its 4.3 noitacifidoC
.selcitrap ehT hardness fo selcitrap fo klub lairetam ehT edoc detacidni ni elbaT 3 rof all slairetam is desab
is derusaem yb a lamiced hardness elacs s’boM( )elacs no eht gniwollof :elpmaxe
ni hcihw eht hardness fo suoirav larutan lairetam is
nekat ni evitaler units as :swollof
Class desab no
claT 1, muspyg 2, emil rapsdlef 3, rapsroolf 4, ashphalt
suoenallecsim
etartnecnoc 5, etiztrauq ,7-6 etinarg ,8-6 ,erihpas -oc
scitsiretcarahc
mudnur and muimorhc 9, dnomaid 10.
ees( 4.2.2 and elbaT )2
4.2.6.1 llA klub slairetam ebyam dedivid otni ruof sessalc
Class desab no klub ytisned
yb eht evissarba stceffe ees( elbaT ,)2 yeht ecudorp
ee@ 4.2.2 and elbaT )2
no royevnoc .stnemele
4.2.7 ehT ytilibawolf fo selcitrap fo a daol sti( elgna Class desab no ssenevisarba
fo )esoper senimreted eht ssorc lanoitces aera fo eht ees( 4.2.4 and elbaT )2
daol no a gnivom tleb ro royevnoc norpa and eht Class desab no ytilibawolf ees( )2.2.4
tneiciffeoc fo lag fo eht daol ni eht etuhc fo a -noc
Class desab no pmul ees(~ezis )3.2.4
deruot thgilf .royevnoc ehT tneiciffeoc fo noitcirf fo
3
IS 8730 : 1997
4.4 Material Characteristics and eht daol elbissop no an denilcni ro demlced tleb
shall eb less than that no a latnoziroh .tleb
slairetaM hcihw era ylnommoc deldnah ni klub era detsil
ni elbaT 3. ehT seulav nevig ni this elbat rofera -reva 5.1.5 ehT latot tceffe is decneulfni yb eht egrahcrus
ega snoitidnoc and egareva .slairetam hcaE -carahc elgna at hcihw eht lairetam lliw edir no eht royevnoc
citsiret yam yrav ni cificeps ,secnatsni ,yllaicepse .tleb ,revewoH ni tsom ,sesac eht lautca ssol fo -ac
selgna fo esoper and mumixam royevnoc .snoitanilcni yticap is less than 30 .tnecrep
euD noitaredisnoc shall eb nevig ot slairetam that assume
5.1.6 ehT gniwollof era yllareneg devresbo ni a
tnereffid scitsiretcarahc rednu tnereffid snoitidnoc
gniyevnoc :metsys
fo ,gnissecorp ,erehpsomta ega and .egarots
5 SCITSUGJTCARAHC OF MATERIALS IN 4 spmuL era erom ylekil ot llor ffo eht segde fo
denilcni royevnoc stleb than morf latnoziroh
DYNAMIC CONDITION
.sena
tI shall eb deton that eht lamron scitsiretcarahc fo -am
slairet era ylbaredisnoc decneulfni yb eht ,tnemevom W stlebroF fo tnatsnoc ,epols eht egallips fo -am
epols and deeps fo eht royevnoc tit&tleb seirrac .meht lairet is erom ylekil ot rucco yletaidemmi dnoyeb
eht gnidaol .tniop
5.1 As eht royevnoc tleb passes ylevisseccus revo
hcae gniyrrac ,reldi eht lairetam no ti is -dnopserroc cl slairetaM hcihw etarea ,ylevissecxe hcus as emos
ylgni .detatiga sihT noitatiga sdnet ot krow eht regral yrev ylenif dnuorg stnemec ro slairetam ni hcihw
seceip ot eht ecafrus fo eht daol and eht rellams -rap eht noitroporp fo retaw is os hgih that a yrruls
selcit ro senif ot eht .mottob tI osla sdnet ot nettalf is ,detaerc shall eb deirrac no senilcni and at
eht lairetam ecafrus epols taht( is eht elgna fo )egrahcrus hcus a royevnoc tleb deeps that eht ycnednet
and snialpxe yhw this eigna is less than eht elgna fo fo eht lairetam ot edils kcab is ylluf .tesffo
.esoper
5.1.7 elbaT 4 shall eb tneinevnoc ot esu nehw -noc
5.1.1 ynA ecnereffid neewteb eht drawrof yticolev fo gnitrev noitanilcni selgna ni tnecrep-ot-seerged epols
eht lairetam as ti is gnieb dedaol and eht royevnoc and nehw gnitrevnoc tnecrep epols ot noitanilcni .selgna
tleb that is gniviecer ,ti shall eb dezilauqe yb eht -ca
noitarelec fo eht .lairetam sihT noitarelecca sesuac 6 LIST OF CHARACTERISTICS TO BE
ecnelubrut ni eht .lairetam FURNISHED WITH ENQUIRIES FOR
QUOTATIONSFORBULKMATERIALHAN-
5.1.2 ynA lacitrev yticolev fo eht lairetam as ti is
DLINGEQUIPMENT
gnieb dedaol shall eb debrosba ni eht tneiliser
noitcurtsnoc fo eht royevnoc tleb and eht sreldi desu ehT gniwollof noitamrofni shall eb dedivorp nehw
rednu eht gnidaol .tniop nI this ,ssecorp a rehtruf snoitatouq era detivni rof noitceles fo lairetam -nah

esaercni ni lairetam ecnelubrut is .decudorp gnild :tnempiuqe

5.1.3 esehT eerht secneulfni erad dezisahpme nehw )a ehT nommoc eman fo eht .lairetam
eht royevnoc tleb is no an enilcni ro ,enilced and osla
)b ehT klub ytisned denifed as ,detarbiv/esool
nehw eht royevnoc tleb is detarepo at hgih .sdeeps
esehT secneulfni era dezisahpme neve erom nehw eht )c ehT neercs ,sisylana
lairetam deldnah esool-si and sniatnoc egral dednuor
)d ehT erutsiom ,tnetnoc
lumps, hcus as esraoc washed ,levarg eht ycnednet
fo hcihw is ot ecnuob and llor no eht royevnoc .tleb )e ehT lairetam ,erutarepmet
5.1.4 ehT lanimon noitces-ssorc fo eht lairetam no a ,f ,ssenevissarbA
latnoziroh royevnoc tleb is derusaem ni a enalp
)h pmuL :ezis ,mumixaM/muminiM/egarevA and
lamron ot eht .tleb On an denilcni ro denilced
royevnoc ,tleb ytivarg setatissecen that eht lautca )h A labrev noitpircsed fo eht ecnaraeppa and
noitces-ssorc fo eht daol eb deredisnoc ni a lacitrev scitsiretcarahc fo eht lairetam hcihw yam eb
.enalp ehT latot htdiw fo eht lairetam daol no eht tleb lufesu ni gnitceles eht .tnempiuqe
IS 8730 : 1997
Table 3 Material Characteristics and Codes
( Clauses 4.3 and 4.4 )
Si No. Material “Average Angle of ,2 Recom- ” edoC
Bulk Density, Repose, mended
’m/gk seerged Marinmnl
Inclination
seerged
-
.I cipidA dica 027 - TU63A
.2 aflaflA dees 042-061 -. N6lB
.3 aflaflA laem 272 - Y75H
.4 ,sdnomlA nekorb ro elohw 084844 _~ Q63C
.5 ,mulA enif 008-027 54-03 _- 63B
.6 ,mulA ypmul 069-008 -- 63>I
.7 ,mulA dsirevlup 008-027
.8 animulA 0401-008 22 21-OI M72B
Y etanimulA llej 027 -- 7211
.OI muinimulA spihc I 1 042-O Y74’l
.11 muinimulA etardyh 882 43 42-02 63C
.21 muinimulA ero (see )etixuaB -
.31 muinimulA edixo 1 I-001 009 _ - M7lA
.41 muinimulA etacilis 487 - Sh3B
.51 muinimulA etahplus 068 23 7I 62C
.61 muinommA ,edirolhc enillatsyrc 238 53-03 6I S62B
.71 muinommA etartin l-027 000 52 3I SJtN73C
IX. muinommA etahpsohp 099 Y2 5I 72C
.Y1 muinommA etahplus )ralunarg( 829-027 -._ s72c
02 muinommA etahplus etartin elbuod( )tlas 43 6I
.12 ynomitnA redwop _- --. 73x1

.22 elppA ,ecamop yrd 042 - Y75C

.32 etanesrA fo dael (see daeL )etanesra
.42 cinesrA edixo I l-006 029 - RY2C
.52 ,cinesrA dezirevlup 084 - 72A
.62 sotsebsA ero ro kcor 6921 - R82D
.12 sotsebsA derhs 004-023 - - YX75E~
.82 ,hsA ,kcalb dnuorg 0861 23 71 638
.)’2 ,sehsA ,laoc ,yrd 2I mm dna rednu 046-063 83 52-02 YT75C
.03 ,sehsA ,laoc ,yrd 57 mm dna rednu 046-065 83 52-02 T75D
.13 ,sehsA ,laoc ,tew 2I mm dna rednu 008-027 05 72-32 T75C
.23 ,sehsA ,laoc ,tew 57 mm dna rednu 008-027 05 72-32 T75C
.33 ,sehsA ylf 027-046 24 52-02 85A
.43 ,sehsA ,recudorp-sag tew 8421 RSD
” ssaM fo ,lairetam esool ro ylthgils .detatiga sessaM era yllausu tnereffid nehw slairetam era delttes ro dekcap sa nI nib ro
.sreniatnoc
*) ehT elgna fo noitanilcni si rof lanoitnevnoc tleb sroyevnoc hcihw wolla eert kcabllor fo .lairetam
I‘ edoC vam yrav ylbaredisnoc eud ot .snoitidnoc
5