Disclosure to Promote the Right To Information

Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public.

इंटरनेट मानक

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“Invent a New India Using Knowledge”

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“Step Out From the Old to the New”

“जान1 का अ+धकार, जी1 का अ+धकार”Mazdoor Kisan Shakti Sangathan

“The Right to Information, The Right to Live”

“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता है”Bhartṛhari—Nītiśatakam

“Knowledge is such a treasure which cannot be stolen”

“Invent a New India Using Knowledge”

है”ह”ह

IS 12269 (1987): Specification for 53 grade ordinaryPortland cement (BI-LINGUAL) [CED 2: Cement and Concrete]

IS : t2211 -'IR( Reaffirmed 2004 )

Indian Standard

SPECIFICATION FOR53 GRADE ORDINA'RY PORTLAND CEMENT

'I'mim~

S3 n ~ ~Tqr(Gfq)Rs mql" cfit fcrmfisa:(First Reprint SEPTEMBER 1993)

UDC 666.942.32

., Copyrighl 1988

BUREAU OF INDIAN STANDARDSMANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG

NEW DELHI 110002

~N~~)•

'"'~'" 'l~..., 9 .{T$~~t{ ~~ 1WTq fmt) 110002

AMENDMENT NO.1 JULY'I'9OTO

IS : 12269 • 1987 SPECIFICAnON FOR 53 GRADEORDINARY PORTLAND CEMENT

-( P~" 3, c1aJuc 8.2 ) - Insert the followioS new.clauses after 8.2:

"8.2.1 When cement i. intended for export and if th~ purchaser 10requires, pactiDS of cement may bedone in baal other than tbo~8iveD in8.2 with In average net mas. of cement per bal 81 agreed to between thepurchaser and the manufacturer.

I 8.2.1.1 For this purpose-the permission of.the certifyiDI authority shall, be, obtained in advance for each export order.

1.2.1.2 The words 'FOR EXPORT' and the averaae net ma.. of cementper bal sball be clearly marked in indelible ink on each bal_

8.11.3 The pactiDI material shall be as _areed to between the supplierand tho purchaser.

8.2.1.4 The tolerance requirements for the maD of cement paCked in bapshall beas liven in A-I except -tbe averago net mass which shall be equalto or more than the quantity in 1.%.ltt

•

(CED2)

Printeclll Dee KIY ~rin1en. NewDelhi. India

AMENDMENT NO.2 NOVEMBER 1991TO

IS 12269 : 1987 SPECIFICATION -FOR 53 GRADEORDINARY PORTLAND CEMENT

(Page 5, clause A-l.2) - Substinne 'up to 2S tonnes' lor 'of 2,0 to 25tonncs' •

(CED 2)

Printed at Dee KayPrinters.New Delhi, India

AMENDMENT NO. 3 JUNE 1993TO

IS 12269 : 1987 SPECIFICATION FOR 53GRADE ORDINARY PORTLAND CEMENT

I p". 3, clll,," l.z ( se« also Amf!ltdmelrl No.1) ) - Substitute tbefollowini for tbe existing C)IUsel 1.2.1 to 1.2.1••:

•·1.1.1 When cement is intended for export Ind if the purchaser so requires.picking of cementmay bedone in bigs or in drumswitb an avenge nefRllS.' ofcement per "lordrum.1 .greed to betweentbe purcbaser Ind tbe manufacturer.

1.1.1.1 For Ibis purpose abe permission of lbe cedifying autbority shill beobtained in Idvlnce foreacbexpon older.

1.2.1.2 TIle ,word. 'FOR EXPORT' and the .veraae net 011SS of cemeat perbllldlUllllbllI-be clearly mlrked in indelible ink on eacb big/drum.

1~.I.3 • packillllDlterill sblll ~ IS agreed10 between tbe RlInuflcluter andtbe puwcbaser.

l.z.l.4 TIle tolell8Ce requirements for tbe lIIIa of eeRlellt picked in bigs/drumslain be II liveD ia A·I except the lverage net mill whicb sblll be equlI to ormote tban tile qUiality ial.J.l."

-(CBD2)

»Printedat Dee Kay Printers, New Delhi, India

AMENDMENT NO. 4 NOVEMBER 1998TO

IS 1226': 1987 SPECIFICATIONFOR 53 GRADEORDINARY PORTLAND CEMENT

(PdP 3, daus« 1.3 ) - Subldtut£• followilllfor theexiitiJIIclause:

'1.2 The Ivenge net DWI of cemelll per biB may 1)10 be 2S kg, 10 kg,-S kg,2 kg or 1 kg, subject10 tolennca u give. ia I.z.l and picked in suitable big I •

•~ to betweeathe pulCbaser and die .._faetuler.'

[ Pdge 3, clause 1.2.1 ( JU IIUOA~No. 1 fUId 3 ) ) - SUbstitutethe fol1owins for the existingclause:

'1.2.1 The number of bigs in • SImple tltea for weighment sbowing • miDUIenor ~Iter thall2 percent of die specified aet ma.. sballnot be more thanSpercent of the hap in tbe sample. Alsodie minusenor in DODe of lucb blp intbe sample shallexceed 4 percent of thespecified net 10111 of cement in thebig.However, the avenge mass of the cemesr-in. sample shall be equal to or mo~tbln 2Skg, 10 kg, S kg,2 kg or 1 kg, II tilease maybe.'

(PageS, clause A-I.2) -Substitute 'up to 2S tonnes' lor '20 to 2S !onnes'.

(CE02)

~yUait, DIS. NewDelld. bMIia

AMENDMENT NO. S OCTOBER 1999TO

IS 12269: 1987 SPECIFICATION FOR S3 GRADEORDINARY PORTLAND CEMENT

(Page 2, clause 4.1 ) - Insert tbe followingafter the clause:

'4.2 Total chloride content in cement shall not exceed 0.1 percent by mass forcement used in structures other than prestressed concrete. For determination ofchloride content in cement, IS 12423 may be referred.

NOTE- For use in special structures like prestressed concrete. where chloride is a criticalparameter, the limit or chloride content shall be O.OS percent and shall be required to bemeasured if desired by thepurchaser.'

[ Page 2, Table 1, SINo. (iii), col 3 ) - Substitute '3.0' for '2'.

[ Page 2, Table 1, SINo. (iv), col 3 ] - Substitute '6.0' for '6'.

(Page 3, Notes 1 and 21lnder clause7.1 ) - Delete.

(CEO 2)

Reprography Unit, BIS.NewDelhi.India

AMENDMENT NO. 6 JUNE 2000TO

IS 12269: 1987 SPECIF-ICATION FOR 53 GRADEORDINARY PORTLAND CEMENT

Substitute 'net mass' for 'avenge net mass' wberever it appears in tbestandard. .

(Page 1, Foreword) -Insert a newclauseo.z.z after 0.1.1:

'0.%.% Specificrequi~ments of ordinary Portland cementfor manufacture of railwaysleepers to be designated as 53·5 grade ale given in the standanl in 4.%, 5.1, 5.1.%,~.3 and 5.4 and 8.1. To differentiate it with nonnal grade, '53.-5 grade' shall bemarked on the bags/packages for sucbcementin placeof 53 grade.'

( Page 2, clause4 )- Insert a new clause 4.1 as follows:

'4.% Cement used for railway sleepers shall satisfy tbe followingchemical/mlnerological requirements and sball be designated as 53-5 grade:

i) Magnesia, percent by n13SS Not more than 5.0

ii) Tricalcium aluminate Not more than 10.0content, percent

iii) Tricalcium silicate, percent Not less than 4S

(Page 2, Table 1, Note 1 ) -Insert the following at the end:

'The tricalcium silicate content (C3S) is calculated by the formula:

C3S = 4.07 CaO - 7.60 Si02 - 6.72 AJ203· 1.43 Fe203 • 285 S03'

( Page 2, clauseS.1 ) - Insert tbe followingat the end of the clause:

'For 53-S gradecement, tbe specific surface shall not be less tban 370 n12/kg.'

( Page 2, clause 5.2.1.1 ) - Insert a new clause 5.%.% after 5.2.1.1 asfollows:

'5.2.2 For 53-S grade cement, soundness o[unaented cement when tested by theLe-Chatelicr methodshall not have an expansion of more than 5 mm.'

Amend No.6 to IS lZZ69 : J987

( Page 2, clauseS.3 ) -Insert the followingunder (a) :

'Initial setting time for 53 ...S grade cement in minutes - not less tban 60'

( Page3, clauseS.4 ) - Insert tbe followingas new para:

'For 53-S grade cement, compressive strength It 168±2 b shall not be less tban37.5 MPa.'

(Page 3, clause 8.1, lines 11 and 12) - Insert t~e following aRer'53 Grade-Ordinary Portland Cement':

"or '53-5 Grade Ordinary Portland Cement' , whichever is applicable!

(CE02 )

Reproeraphy UDit, DIS, New Delhi, Jodi.2

AMENDMENT NO. 7 DECEMBER 2003TO

IS 12269: 1987 SPECIFICATION FOR 53 GRADEORDINARY PORTLAND CEMENT

( Pa8~ 1, clause J.l, last sentence ) - Substitute the following for theexistingsentence:

'No material shall be added after burning, other than gypsum (natural orchemical) or water or both; performance improvers; and not more than onepercent of air-entraining agents or other agents including colouring agents.which have proved not to be harmful. Limit of addition of perfonilanceImprovers shall be as follows and shall be inclusive of one percent additivesasmentioned above:

Req,,;renwnt

s

s

AsperIS 3812(Part 1)1)As perIS 12OW>AsperIS I S3883)

CaC03 eonteat calculated from Cao contellJ sballDOtbe less IbID1S percent when tested IS per IS 1160 (Part 3) )

a) Reactive silicashallDOtbe leastban 8.S pen:eIll wbca tested as perIS3812(Pan 1)1)

b) Pozzolaoic Activity Index ,pall not be less thID90 perceatwbeatested as per I'of IS 172-PJ

c) Loss011 ipjuOll shallnot be morethaD 8 petCalt whentested uperIS 1727 )

a) Silicondioxide (SiOz) plus aluminiumoxide (AbOJ)plus itoao"ide (Pcz03> in percentb~ massshaU notbe less thaD 95 pa'CCDtwhen testedas per IS 1727 )

b) Loss OD ianitioashaD notbe men thaD I perceDt whea testeduperIS 1727')

c) Total alkalisas sodiumoxic:k (Na:zO) ill percent by massshaD DOl

bemorethaD 0.6 percentwheD testedu perIS4032d) Particles retained0Il4S microaISsieve(wetsitviDs)shaD DOtbe

II'I(R tbaa I perceat whearated IS perIS 1727I)IS 3812 (Part 1) : 2003 Pulverized fuel uh - Specification : Part 1 Pm use IS pouoIaaa iDcemelll,cement mortar and concrete (~cond mtision).

1)15 12089: 1987 Granulated slagforthe manufacture of PtwtIaDd ... eemeDt - Specificadoa.

1)15 IS388 : 2003 Silicafume - Specificadon.4)IS 1760 (I'art 3) : 1992 Methods« chemical.analysis of imestone, dolomiteIDd allied maIaiaIs:

Part3 Detamination of ironoxide. alumina,cakium oxideand magnesia (first ,.,Wsion).5)18 17n ~ 1967Methods of tat forpozzolaDic materials (firslrwisiota).

Petformanc« P~rc~""'"Improver Addition

MaxSSS

S

Metakaline

Rice husk ash

Fly ashGranulatedslag

Silica fume

Limestone

1

Amend No.7 to IS 12269 : 1987

If a combination of above performance improvers is added, the maximum limitof addition shall be 5 percent.

[ Pase 2, Table 1t Sl No. (iii) ( see also Amendment No.5) ) - Substitutethe following for theexistingmatter:

SJNo. CharaderlstJc Requirement(1) (2) (3)

iii) Insoluble residue, percent by mass a) Incaseno nyasb.silicafume, ricehuskashandmetakaoJine is added - Nor morethan 3.0

b) In case of addition of flyash and/or silica fumeand/or rice huskash and/or metakaoline- NO(morethan 5.0.

( Page 3, clause 5.3.1.li~ 1) - Substitute 'less than.' for 'not less than'.

( Page 3, clause 8.1, last sentence) - Insert the following sentence beforethe existing sentence:

'Bags shall also be marked with the type and the percentage of performanceimprovers added. '

(CED2)

Rcprography Unit, BIS, NewDelhi.India2

AMENDMENT NO. 8 MAY 2005TO

IS 12269: 1987 SPECIFICATION FOR53 GRADE ORDINARY PORTLAND CEMENT

( Page3. clause7.2 ) - Insertthe following new clause afterclause 7.2:

·7.3 In case performance improvers are added, the manufacturer's certificateshall also indicate the typeand percentageof perfonnance improversadded.'

[ Page 3, clause 8.1, last sentence (see also Amendment No.7) ] ­Substitute the followingfor theexistingsentence beforethe last sentence:

"In case performance improvers are added. the bags shall also be mark,~d

'Permitted performance improvers are added'."

(CED2)Reprography Unit.SIS. NewDelbi. India

AMENDMENT NO. 9 AUGUST 2009

TO

IS 12269 : 1987 SPECIFICATION FOR 53 GRADE ORDINARY PORTLAND

CEMENT

[Page 1, clause 0.2.2, line 2 (see also Amendment No. 6)] ― Substitute ‘4.3’ for ‘4.2’.

(Page 2, clause 4.2 on railway sleepers incorporated through Amendment No. 6) ― Substitute clause

no. ‘4.3’ for ‘4.2’.

(CED 2)

Reprography Unit, BIS, New Delhi, India

18.1228·.1_

Indian Standard

SPECIFICATION FORS3 GRADE ORDINARY PORTLAND CEMENT

e. ·FOR"EWORD

0.1 This Indian Standard was adopted by theBureau of Indian Standards on 28 October1987, after the draft finalized by the Cementand Concrete Sectional Committee had beenapproved by the Civil Engineering DivisionOouncil.

0.2 For certain specialized works, such as,prestressed concrete and certain items of pre­cast concrete requiring consistently highstrength concrete, the concrete industry quiteoften needs a special type of ordinary Portlandcement having the compressive strength muchhigher than the minimum compressive strengthlimits specified in IS: 269. 1976* andIS: 8112.1976t. In the context of presentstrength limits specified in IS : 269·1~76· andIS: 8\ '2 -. 1976t. the consumer has been nor­mally finding it difficult to get consistent andensured supply of high strength cement. Ithas, therefore, been felt that unless there is aseparate specification covering a cement hav­.ing compressive strength values much abovethe existing strength values in IS: 269 • 1976­and IS : 8112 .. 1976t, there are likely to bequality control difficulties for productionof very high strength concrete, sincewithin the ambit of IS : 269 - 1976* andIS: 8112 - 1976t, it will be very difficult to

. obtain a cernen t having guaranteed strengthmuch above the minimum values specified inthese standards .. The Cement and ConcreteSectional Committee has, therefore, consideredit necessary to bring out a separate specifica­tion for 53 grade ordinary Portland cement,

• Specification for ordinary and low heat Portlandcement ( third rtvision ).

tSpecification for high strength ordinary Portlandcement.

1. SCOPE

1.1 This standard covers manufacture. chemi­cal and physical requirements of 53 gradeordinary Portland cement.

2. TERMINOLOGY

2.0 For the purpose of this standard, thedefinitions given in IS : 4845-1968· shan apply.

• Definhlons and terminology relating to hydrauliccement.

wherein the minimum 28 days compressivestrength requirements for cement are specifiedkeeping in view the needs of the consumer forhigher strength concrete and the manufactur­ing facilities available with the manufacturers.

0.2.1 It may be clarified that 53. gradeordinary Portland cement -covered by thisspecification is distinctly different from rapidhardening Portland cement covered byIS : 8041· 1978· .

0.3 Mass of cement packed in bags and thetolerance requirements for the mass of cementpacked in bags shall be in accordance with therelevant provisions ofthe Standards of Weightsand M~asures ( Packaged Commodities )Rules, 1977 and A-I.2 ( see Appendix A forinformation ). Any modification in these rulesin respect of tolerance on mass of cementwould apply automatically to this standard.

o.t This standard contains clause 10:••1 whichpermits the purchaser to use his option fortesting and clauses 5.5 and 8.3 which call foragreement between the purchaser and themanufacturer.

0.5 For the purpose of deciding whether' aparticular requirement of this standard is com..plied with, the final value, observed or calcul­ated, expressing the result of a test or analysis,shall be rounded off in accordance withIS : 2.1960t. The number of significant placesretained in the rounded off value should bethe same as that of the specified value in thisstandard .

·Speci6cation for rapid hardening Portland cement(firJ' "u;Jio" ).

tRuJc' for rounding off numerical values ( reuised ).

]1 ,1228·1117

NOTa - Chemical Iyptum .hall be addedprovided chat the performaoce requiremeotl of tbennal product a. Ipeeifilld in tbit Itand.rd are mecwith',

4. CIlEMICAL REQ,Ul1tEMENTS

4.1 When tested in accordance with themethods given in IS: 4032·1985*, 53 gradeordinary Portland cement shall comply withchemical requirements given in Table I.

5. PIfYSICAL REQ,UIREMENTS

5.1 Finene•• - When tested for fineness byBlaine's air permeability method as describedin' IS : 4031-1968t, the specific surface 01cementshall not be less than 225 ml/kg.

NOTl: - A higher linenl'lI of cement, wherespecifically required, may be agreed to by mYlualagreem"nt between the purchaser and tbe manufac­turer,

5.2 SouDuess

5.2.1 'Vh~n tested by the 'Le Chatelier'method a' ,1 autoclave test described inIS : 4031-1 Y68t, unaerated cement shall nothave an expansion 'of more than 10 mm and0·8 percent, respectively.

·Method of chemical analysis of hydraulic cement(firs' wlisi... ).

tMethods of physical telt. for hydraulic cement.

5.2.1,1 In the event of cement, failing tocomply with anyone or both the requirementsspecified.i~ 5.2.1,. further tests in respect ofeach failure shall be made as described inIS : 4031·1968* from another portion of thesame sample after aeration, The aeration shllUbe done by spreading out the sample to a depthof 75 mm at a relative humidity of 50 to 80percent for a total period of 7 days. The expan­sion of cements so aerated shall be not morethan 5 mm and 0'6 percent when tested by-t,e Chatelier ' method and autoclave test,respectively.

5.3 Setting Time - The setting time ofcement, when tested by the Vicat apparatusmethod described in IS : 4031·1968- shall con­form to the following requirements:

a) Initial setting time in minutes - notless than 30, and

b) Final setting time in minutes - notmore than 600.

5.3.1 If cement exhibits false set, the ratioof final penetration measured after 5 minutes ofcompletion of mixing period to the initialpenetration measured exactly after 20 secondsof completion of mixing period, expressed as

• Methods of physical test• .for hydraulic cement.

TABLE,l CHEMICAL REQUIREMENTS FOR 53 GRADE ORDINARY PORTLAND CEMENT( Claus, 4.1 )

SLNo.

( 1)

i)

Ii)

iii)

jv)

v)

vi)

CIIABAOTJ.lBJ8T1C

(2)Ratio of percentage of lime to percentages of silica,

alumina and iron oxide when calculated by theformula:

CaO - 0'7 SO.2'8 SiO. + 1'2 AI.03 + 0'65 Fe;o;-

Ratio of percentage of alumina to that of ironoxide

Insoluble residue, percent by massMagnesia, percent by mas.Total sulehur content calculated as sulphuric

anhydride ( SO,), percent by mass

Total loss on ignition

(3)Not greater than 1'02 and Dot less than O'SO

Not lest than 0'66

Not more than 2Not more than 6Not more than 2'5 and 3'0 when tri-calcium

aluminate ( Sit Note 1 ) percent by mass i. :; orle'l and greater than 5, respectively

Not more than" percent

NOTIl 1 - The triealcium aluminate content ( C,A ) is calculated by the formula:

CiA .. 2'65 (AliO.) - 1'69 ( FesO, )

where each .ymbol in bracket refers to the percent ( by rna.. of total cement) of the oxide, eXCludingany. contained in insoluble relidue referred to at 81 No. (iii) •.

NOTE 2 - Alkali aggresate reactions have been noticed in aggregates in some parts of the country. Onlarge and important jobs where the concrete is likely to be exposed to humid atmosphere or wetting action, itis advisable that the aggregate be tested (or alkali aggregate reaction. In the case of reactive aggrl'gales, theuse of cement with alkali content below 0 6 percent expressed as sodium oxide ( Na,O ) is recommended,

2

27 MPa37 MPa53 MPa

percent, shall be not leu than 50. In the eventof cement exhibiting false set, the initial andfinal settin ; time of cement when tested by themethod described in IS: 4031-1968* afterbreaking the false set, shall conform to 5.3.

5.4 Compre.slve Strength - The averagecompressive strength of at least three mortarcubes ( area of face-50 em',) composed of onepart of cement, three parts of standard sand(conforming to IS: 650·1966t) by mass and

~ + 3'0 percent ( of combined mass· of

cement plus sand) water, and prepared, storedand tested in the manner described inIS : 4031-1968*, shall be as follows:

a) i2 ± 1 h, not Jess thanb) 168 ± 2 h. not less thanc) 672 ± 4 h, not less than

NOTE - P is the percentage of water required toproduce a paste of standard conlhtency (ste 10.3 ).

5.5 By agreement between the purchaser andthe manufacturer, transverse strength test ofplastic mortar in accordance with the methoddescribed in IS: 4031-1968* may be specifiedin addition to the test specified in, 5.f. ·Thepermissible values of the, transverse strengthshall be mutually agreed to between the pur­chaser and the supplier at the time of placingorder.

5.6 Notwithstanding the strength requirementsspecified in S.f and 5.5, the cement shall showa progressive increase in strength from thestrength at 72 h.

6. STORAGE

6.1 The cement shall be stored in such amanner as to permit easy access for properinspection and in a suitable weather-tightbuilding to protect the cement from dampnessand to minimize warehouse deterioration.

7. MANUFACTURER'S CERTIFICATE

7.1 The manufacturer shall satisfy himselfthat the cement conforms to the requirementsof this standard, and if requested, shall furnisha certificate to this effect to the purchaser or

.his representative, within ten days of despatchof the cement.

7.2 The manufacturer shall furnish a certifi­ocate, within ten days of despatch of cement,indicating the total chloride content in percentby mass of cement.

NOT. 1 - Total chloride content in cement.hall not exceed 0·05 percent by m... for cementused ira preltreaed concrete atructure, and 1008 ipanreiDforc eel coacrete .truelure,.

-Method. of physical '"tl fOl hydraulic cement.tSpecification for Itaadard laDd for teltin. of cement

(firstTtflisiOfl ).

3

18 • 12289 • 1981

NOTE 2 -''The ,'j mit of total chloride cODteatin cement for use in plain and other reinforcedconcrete structures is be iog reviewed. Till that time,the limit may be mutually agreed to between thepurchaser and the manufacturer.

8. DELIVERY8.1 The cement shall be packed in bags [ jutesacking bag conforming' to 1S : 2580·1982*,double hessian bituminized ( CRt type ), mul­tiply paper conforming to IS: 11761.1986t,polyethylene lined (CRI type) jute, light­weight ( CRI type) jute, woven HOPE con­forming to IS : 11652-' 986t, woven polypropy­lene conforming to IS: 11653.1986§ or any otherapproved composite bags ] bearing the manu­facturer's name or his registered trade-mark,if any, and the words' '53 Grade OrdinaryPortland Cement'. The number of bags ( netmass) to the tonne or the nominal averagenet mass ( se« 8.2 ) of the cement shall belegibly and indelibly marked on each bag.Bags shall be in good condition at the time ofinspection.

8.J.I Similar information shall be providedin the delivery advices accompanying theshipment of packed or bulk ( see 8.3 ) cement.

8.1.2 The bags or packages may also bemarked with the Standard Mark.

NO'fB - The use of the Standard Mark isgoverned by the provisions of the Bureau of JndianStandards Act J98&. and tbe Rules and Regulationsmade thereunder. The Standard Mark on productscovered by an Indian Standard coveys the assurancethat they have been produced to comply with therequiremen tl, of that standard under a well-definedsystem of Inspection, testing and quality controlwhich is devised and supervised by B1S and operatedby tbe producer. Standard marked products arealso continuously checked by BIS for conformityto that standard al a further safeguard. Detail. ofconditions under which. licence Jor the use of theStandard Mark may be, granted to manufacturesor producers may be obtained from the Bureauof Indian Standards.

8.2 The average net mass of cement per bagshall be 50 kg ( S~t also Appendix A ).

8.3 Supplies of cement in bulk may be madeby arrangement between the purchaser andthe supplier ( manufacturer or stockist ).

9. SAMPLING9.1 Samples for TestiDJ aDd by Whomto be Take. - 'A sample or samples for test­ing may be taken by the purchaser or hisrepresentative, or by any person appointed tosuperintend the work for purpose of which thecement is required, or by the latter's represent­ative.

• Specification for jute lacking bagl for packiagcement ( $,eond ""~I;on ).

tSpecification for multiwall paper sacks for cemenr,val ved-sewn-gussened type.

1SpecificatioD for bigb density polyethylene (HOPE)woven sacks for packiDI cement.

§Specifi(ati()~fOf' polypropyleDe ( PP ) woven "CDfor packing cemeDl. ,

III 1228 • 1911

9.1.1 The samples shall be taken withinthree weeks of the delivery arid all the testsshan be commenced within one week ofsampling.

9.1.2 When it is not possible to test thesamples within one week, the samples shall bepacked and stored in air-tight containers tillsuch time as they are tested.9.2 In addition to the requirements of 9.1,the methods and procedure of sampling shaJlbe in accordance with IS : 3535- \986•.

9.3 Facilities for ~.mpliDIaDd IdeatiSca­dOD' - The manufacturer or supplier shallafford every facility, and shall provide alllabour and materials for taking and packingthe samples for testing the cement and for sub.sequent-identification of the cement sampled.

JO. TESTS10.1 The samples of cement for t~st shall betaken as described in9 and shall be tested inthe manner described in the relevant clauses.

10.2 Temperatare lor Te.tilll - Thetemperature range within which physical testsmay be carried out shall, as far as possible, be27 ± 2°C. The actual temperature during thetesting 'shall be recorded,

10.3 COD.isteIlCY or StaDdard CementP••te - The quantity of water required toproduce a paste of standard consistency, to beused for determination of water content ofmortar for the compressive strength tests andfor the determination of soundness and settingtime, shall be obtained by the method descri-bed in IS : 4031-1968t.

-Method. of lampliDI hydraullc cementa ( firsl"visi"" ).

t Metbod. for physical telt. Cor hydraulic cemeDt.

lO.f bulepeacleat T..da,

10.4.1 If the purch~r or his representativerequires independent test., the samplea shallbe taken before or immediately after deliveryat the option of the purchaser or his .represen-"tative, and the tetts. shall be carried out inaccordance with this standard on the writteninstruction of the purchaaor or hi, representa­tive.

10....2 COlt oj Tesling - . The manufacturershall supply, free of charge, the cement requir­ed for testing. Unless otherwise specified inenquiry and order, the cost 9f tbe trsts shall beborne as follows:

a) By the manufacturer jf the resultsshow that the cement does not complywith this standard, and' .

b) By the purchaser if the results showthat the cement complies with thisstandard. .

10.4.3 After a representative sample hasbeen drawn, tests on the sample shall be carrjedout as expeditiously as possible. ·

11. REJECTION

11.1 Cement may be rejected if it does notcomply wi~ any of the requirements of thisspecification.

11.2 Cement remaining in bulk storage. at themill, prior to shipment, for more than sismonths, or cement in bags in local storage inthe hands of a vendor for .more than 3 monthsafter the completion of tests, may be retestedbefore 'use 'and may be' rejected if it fails toconform to any of the requirements in thisspecification.

APPENDIX A( Clauses 0.3 and 8.2 )

TOLERANCE REQ.UIREMENTS FOR THE MASS O~ CEMENT PACKED IN ,BAGS

A-I. The average net mass of cement packedin bags at the plant in a sample shall be equalto or more than 50 kg. The number of bags ina sample shall be as given below:

Batch Siz~ Sampl, S;~,

100 to 150 20151 ,,280 32281 ,,500 ·50501 ,,1 200 80

1 201 " 3 200 1253 201 and over 200

The bags in a sample shall be selected at

random ( s" IS : 4905-1968- ).A-I.I The number of bags :0 a sample show­ing a minus error greater than 2 percent of thespecified net mass ( 50 kg ) shall be not morethan 5 percent of the bags in the. sample andthe minus error in none of such bags in thesample shall exceed 4 percent of the specifiednet mass of the bag.

- NOT. - A-I aad A-I.l are extracts bued ODthe Standard of Weilhb and Meuurel (PackqedOommoditrea ) Rule., 1971 to which refereDce lballbe made for full detaU•• Any modi&catioD made iDthese R.ules and other related Acu aDO Rula wouldapply automatically_

-Methods Cor raadom NmpiiDl.

4

A-l.2 In case of'wagonjtruck load of 20 to 25tonnes, the overall tolerance on net mass ofcement shall be 0 to + 0'5 percent. .

NOT. - The mass of a jute lacking bag con­forming to IS : 2580-1982· to bold 50 Irl of cement

tSpecificatioD for jute sacking "bag. for packingcement ( s'~Dnd "";SiM ).

s

18 • 12269 -- 1987

is 531 g, the mUI of. double beuiu bitumiDized( CRI type) bag to hold 50 1£1 of cement is 630 I.mass of • 6-pl y paper b~g to hold 50 kg of cement ilapproximately 400 I and the mal' of a polyethylenelined ( CRI type) jute bag to hold 50 kg of cementis approximately 480 I.

... 122tt • 1917

1Imh~

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t8 , 12269 • 1917

5.2.1 1S : 4031-1968* 1f ~m:rrtlo '\IT

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IS I 122. • 1987

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9

IS I 12269· 1987

8.3 jar atttan~~i(73'~Tl{lfi af\'"(~ fqli:fT)

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.) lff~ 9rit~ ~ lfD&llJf q-f~Tq ~« lfTi'f'fi

t aq~lf ~i, ~t iI1cl'T inu ,

10.4.3 srf~1 ;:r1fIT {lr~ t ~, ...~ ifiT If'tT­

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11.~~

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" if~ if 6 lf~ ~ arfUCti ~r 1:~ lfT ifi~i't iff<tiii:fT ..n- ~T'l if 3 JfT~ ~ arfu<ti lf~T "(~ m­~lflf)re ~"'{if ~ q~ ~Tije 'fiT ~;rqU&lur f<fi'trT

iifT~ I lff~ ~ite ~« lfT'Ai ~ Rim aritm iF:ari!.~ i'f ~ c:rl \rlt ar~ftti(l ~ ~I:fT ~Tl!; ,

10

·~i~ ~r q~ it ~ q~fl'lf ~ lfi~l ~ f_~(~f~")1

IS a12269 • 1987

qfm__"."( n 0.3 I\'\'( 8.2 )

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~ ~ lfi'te1 <f,t ~!fT f~orf~f~ ~: for~" ~Tm it 4 srFi:m<f «arfft 'l ~) I

_q ~ mt1I ~ .' ~TI" f!tq'll-fiw .-1 af''( 1lI-1.1 ;(T! am: 0Irq- ~AllI

100 q I 50 ~ 20 ( tii;~fl i"~ )~ar" 1977~ 3fnTlfuf ~n .qo t I arlltoT f~~,lJl' If; f~l{ :a~ f.,~-r 'lit «~" ron "'Ilt I ~~

151« 280 ({!Ii 32 3l'~ 3{;l.1' ~;O{~ atfuf;:rl.1'lfl at'1; fiur,,) it ~ 1IT.~;l(

281 ~ SCI)::r.ti' 50 ~~ If'( it flJ«: \OrT" -rTif '(TIt' I

50I ij' I 200 (flfi 80 .-1.2 1:fT~T~ lti f~~/~'f; if 20-25 ~or ~ftit?:

1 201 «3 200 (f'1i 125 \lT~ it ft;rt{, for." mm- if ~ il~ 0 « +O'5

3 201 ai\~ arftrifi 200 srfcnTil ~ I

'l~ ~ ~ ~if ~ tm\f69'ti ~ ~ 1""'~ ~-so flrivr ~~ "'~ ~ f~~, IS: 2580-( ~ti IS : 4905 - 1968- ) I 1982· ~ 3{!.lf "''(It ifi tRw;:r ~ ~ lfiT "'11; 531 1fT,

1fT ~)~~ tffl'ar;r f,,~rp ( ,ij) aTf't f SA'i11; Ii )~ lfiT.-1.1 'l~;r 1f ~ ~if etl' ~~T, f~al f'l~ "''' 630 'If, 6.q:nf lfiT'nJ lfi~ if.( 1tn: 400 IT amf;;.r~ 1:fT~T ( ~O t1Iin ) « 'f;Jf ~ 2 srf~ ~ lfR<r~"Jf~lf amf'( ~ ( 9r arT~ anf lrlfiR) emR *

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flf~<fl (U,

tift~1:f ~

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q~« ~T t~

~cf ~filqft:f~

3f4l'f~

Clinkering

Calcareous

Long Span Structures

Precast

Prestressed

Reinforced

flf~Tcn (in", ~-2;~, ,)~)

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~ijzm~~

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~

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arcnm<f

11

Aggregate

Argillaceous

Setting time of cement

False set of cement

Fineness

Compressive strength

Unaerated

_..............BIS II • ltatutOry la.titutloa e.tablill;led WIder the .,., 0' .... $,,,,. AeI,,. toptoaote barmomoUi developmeat of the activiti.. of ltaDdafclizatloa, martia, aDd quaDt,c.nllcatloa of '000 aad atteadia, to coaneeted matter. ill the eoUDtry•

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..till••f J..... Stu.u"

Indian Standard. are reviewed periodically and revised. when necea..ry and amendmenta. ifaDy, are illued from tlme to tlmo. Uaer. of Indiao Standard. should a.certain that they are inpo.ses.ioa otthe, latclt Ulel!dmeatl or edition. Comment. 00 thi. Indiao Standud may beteat to BIS ,Ivln. tbe folloWlft' reference:

Amend No. Date of Is.uo Text Afl'eo~

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123502 16. 23S ·CW42,123' IS 19. 23S 23 15

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-;;;:lat Dee Kay Prinler•• New Delhi. India