IS 9459 (1980): Specification for apparatus for use in … · 2018. 11. 15. · IS : 9459 • 1980 Indian Standard SPECIFICATION FOR APPARATUS FOR USE IN MEASUREMENT OF LENGTH CHANGE

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IS 9459 (1980): Specification for apparatus for use inmeasurement of length change of hardened cement paste,mortar and concrete [CED 2: Cement and Concrete]

IS: 9459 1980( Reaffirmed 2008 )

Indian StandardSPECIFICATION FOR

APPARATUS FOR USE IN MEASUREMENT OFLENGTH CHANGE OF HARDENED CEMENT

PASTE, MORTAR AND CONCRETE I

( Second Reprint JUNE 1998)

UDC 666.97.015.7 : 620.192.52.05

Copyright 1980

BUREAU OF INDIAN S TANDARDSMANAK B HAVAN , 9 BAHADUR SHAH ZAFAR MARG

NEW DELHI 110002

Gr 2

©

July 1980

18 I 9459· Itl.

Indian Standard

SPBCIFICATION FOR:APPARATUS FOR USE IN MEASUREMENT OF

LENGTH CHANGE OF HARDENED CEMENTPASTE, MORTAR AND CONCRETE

Cement and Concrete Sectional Committee, BOO 2

ChairmanDR H. C. VrSvBaVARAYA

R'fJ"senlin,Cement Research Institute of India, New Delhi

Central Public Works Department, New Delhi

Central Road Research Institute (CSIR), NewDelhi

SRRI Y. R. PaULL ( AI",,,.,, I )SHIn M. DJ"AKARAlf ( AU.••t, II )

DB R. K. GH08H Indian Roads Congrrss, New DelhiSBBI B. R. COVIND Engineer-in-Chief'. Branch, Army Headquarter.

SKa, P. C. JAIK ( AI,,,,..,, )SaRI A. K. GurrA Hyderabad Asbestos Cement Product. Ltd,

HyderabadDa R. R. RATTIARQADI The Associated Cement Companies Ltd, Bombay

SRRI p. J. JAQUI ( All",.." )

M,mb,rs

ADDITIONAL DIREOTOR, STAND- Rest-arch, Designs &. Standards OrganizationADDa ( R & S ) l Ministry of Railways)DI~PUTY DJREOTOR. STAND-

ARDS ( B & S) ( Alt,ntat, )SHRI K. C. AOGARWAL Hindustan Prefab Ltd, New Delhi

SRRJ C. L. KASLIWAL ( AII""Qt. )SHRI S. K. RANERJJCR National Test House, Calcutta8ftRI K. P. BANERJl':R Larsen at Toubro Ltd, Bombay

SAKI HARJ8K N. MALANI ( AIt,mat, )SHRI R. N. BA!f8AL Beas Designs Organization, Nangal Township

SH 1'1 T. C. GAftO ( Alternate)CHI1tJl ENGINEER ( DESIGNS)

EXECUTIVB E N 0 I N B B R( DESIONS ) III ( AlIe,,,t", )

CRIB" ENGINEER ( PR01BOT8 ) Irriga tion Department, Gevernment of PunjabDIRECTOR, IPRI ( Alte",a" )

DrRJl:CTOR ( CSMRS ) Cemral Water Commission, New DelhiDEPUTY Dnn~OToR ( CSMRS )(Al",,,,,,, )

Dn R. K. OHOIR

( Cotltimud 0" /HJg, 2 )

C> CO/lyri,/u 1980BUREAU OF INDIAN STANDARDS

'l1lis J>ubliC'a'ion it protected under the India,. Copyri,A, ~,t ( XIV of 19~7 ) aDdreproduction in whole or in part by any meane except with written permi",oD or tbepublilher .ball be deemed to be an iDrrinl~meDt or copyright uDder tbe aaid Act.

lSI 'tS9 -1980

( C,,,'i,,,,,d ft.", /MI' 1 )

M,,,.6,,, "",,,.".,Da IQ1IAL ALI Enlineerinl Raearch Laboratoriel, HyderabadSRBI S. R. KULKARNI M. N. Dutur It Co ( Pvt ) Ltd, CalcuttaSBBI S. K. LARA The laatitution or Engineer. ( India ), Calcutta

SaRI B. T. UNW~LL~ (~I'''IUJI')Da MOS.tK RAI Central Suildial Research Institute (aSIR),

RoorkeeDBS. &. bait ( .41,,,,..,, )

5SBI K. K. NAIIBIAB

Da M. RAMAJAB

In per.onal capacity ( 'RtltlltI"tlltr1',' 11 Fi", Cr"e,,,'Pari R04tl, Ga"tJlai"41.r, Ad)'." M"t/,a, )

Structural Engineering !{esearch Centre (CSIR),Roorkee

DB N. S. BRAL ( .41'"n,,',)8BBI G. RAMDAI Directorate General of Supplies It Diapolall.

New DelhiDB A. V. R. RAO National Buildings Organization. New Delhi

5aBI J. SEN GUPTA ( J4lt"NUI)SaBI R. V. CSALAPATHI RAO Geological Survey of India, Calcutta

SRBI S. Roy ( Altlrnat' )SBBI T. N. S. R&o Gammon India Ltd, Bombay

SRRI S. R. PINHBrRO ( Alt,rtlol, l8BBI ARJUM RJJHSINOHANI Cement Corporation of India Ltd, New D 'hi

SSRI K. VITHAL RAO ( Alt,rntJI, )SECRETARY Central Board of Irrigation and Power. N· IV Delhi

DEPUTY SECRETARY ( I) (AI'''Mt,)SHal N. SIVAOURU Roads Wing, Ministry of Shipping and Tra, 'port

SBal R. L. KAPOOR ( AlI,"",I')SaBI K. A. SUDRAMANIAJ4 The India Cements Ltd, Madras

SBRI P. S. RAMAOHANDRAN ( AIUrJlal, JSCPBBINTBNDINO EN Q 11' B. R Public Works Department, Government of ' '.mil

( DBSIGNS ) NaduEXECUTIVE E N Q J N B II B

( 8M & R DIV.SJON ) ( Jflt""ol, )SBBI L. SWABOOP Dalmia Cement ( Bharat ) Ltd. New Delhi

SRBI A. V. RAMANJ. (Alt,rruJI,)SSBI B. T. UNWALLA The Concrete A'lOCiation 01 India, Bombay

SHBI Y. K. MERTA ( ~lt,rnat' )SUBI D. A.JJTHA Sr)lB~, Director General, lSI ( Es-ojJieio M,mi" )

Director ( Civ EnSg )

See"'ar,,SURI M. N. NSELAKANDBAN

Assistant Director ( Civ Engg ), lSI

Jnstruments for Cement and Concrete Testing Subcommittee,BDO 2: 10

COII",,.,rDB IQBAL ALI

M,N,rsPRO)' B. M. AHUJA.SBBIT.P.EKAKBABAM

Engineerml Research Laboratories, Hyderabad

Indian IDatltute or Technologv, New DelhiHilhwa" R.aeareh Station. Madras

( Co"titlUltl on poI' 8 )

2

~MBNDMBNT NO.1 ROYBMBD 1984TO

IS I 9459· 1980 SPECIFICATION FOR APPARATUSFOR USB IN MEASUREMENT OF LENGTH

CBANGE OF HARDENED CEMENTPASTE, MORTAR AND CONCRETE

A1terado••

( Pag, 4, elauu 3.1. fifth sl1llMe, ) - Substitute the following for theexisting matter:

C The end of t.lte yoke opposite to the micrometer end of the reference baraha1l be provided with an anvil having a cylindrical or conical recess.'

( PtJg,4, cltJIU' 3.1.1, lin' S ) - Substitute C yoke t for C frame '.

( Pllg, 4, cltUU' 3.2, line 4 ) - Substitute C 12 mm t for ' 20 mm '.

( PtJg' 5, Fig. 1 ) - Substitute C YOKE ' for' PILLAR '.

( PtJg, 6, Fig. 2) - Substitute the figure given on page 2 for theexisting figure.

[Pdg,7, Tabl, 1, col 3, $I No. (i) ] -Substitute' ISLe 150 or ISMC 150CODformq to IS : 226-1975.' for the existing matter.

y

MICROMEtERSCREW GAUGE

VIEW Y

All dimensions in millimetre••

F10.2 TYPICAl. SET Up FOR DRYINO S'IRINKAOE AND MOISTURE~()VEMENTTEST ON HEAVY SPECIMEN

(BD02)

2Pnnted It New India Pr.MINI Pr-.. If"..... I • .,••

AMENDMENT NO. 2 APRIL 1993TO

IS 9459 : 1980 SPECIFICATION FOR APPARATUS FORUSE IN MEASUREMENT OF LENGTH CHANGE OF

HARDENED CEMENT PASTE, MORTAR ANDCONCRETE

(Page 6, clause 3.3 ) - Substitute the followingfor tbe existing clause:

'3.3 Except where tbe tolerances are specifically indicated against the specifieddimensions, all dimensions sball be taken as nominal dimensions with tolerancesIS laid down in IS 2102 (Part 1 ) : 1980·..

(Page 6,loot-note ) -Insert tbe following foot-note at tbe end:

'·~ntral IOlerances for dimensioftS and form and posiaion: Part 1 General rolerance-, for linear andIDlula, dimeDsiollS ( secONl ,M.s;OII ).'

(Page 7. Table 1 ) :

i) Substitute 'Yoke'lor 'Pillars' in col 2 of SI No. (ii).

ii) Delete 'conforming to relevant IndianStandards' from tbe NOTE.

(CED2)Pnnted at New Inebl Pnnta.. Preas. Khul)l. India

IS : 9459 • 1980

Indian StandardSPECIFICATION FOR

APPARATUS FOR USE IN MEASUREMENT OFLENGTH CHANGE OF HARDENED CEMENT

PASTE, MORTAR AND CONCRETE

o. FOR E w 0 R 1)

0.1 This Indian Standard was adopted by the Indian Standards Institutionon 8 February 1980, after the draft finalized by the Cement and ConcreteSectional Committee had been approved by the Civil Engineering DivisionCouncil.

0.2 The Indian Standards Institution has already published a series ofstandards on methods of testing cement and concrete. It has beenrecognized that reproducible and repeatable test results can be obtainedonly with standard testing equipment capable of giving the desired levelof accuracy. The Sectional Committee has, therefore. decided to bringout a series of specifications covering the requirements of equipment. usedfor testing cement and concrete, to encourage their development andmanufacture in the country.

0.3 Accordingly, this standard has been prepared to cover requirementsof the apparatus for use in measurement of length change of hardenedcement paste, mortar and concrete. This apparatus may be used fordetermining the initial drying shrinkage, drying shrinkage and moisturemovement of concrete ( s,e IS : 1199-1959· ), alkali reactivity of aggregate[see IS: 2386 (Part VII )-1963t ] and drying shrinkage of Portlandpozzolana cement (SIS IS : 4031-1968: ).

0.4 In the formulation of this standard. due weightage has been given tointernational co-ordination among the standards and practices prevailingin different countries in addition to relating it to the practices in the fieldin this country.

-Methods of lampling and analysis of concrete.tMethods of test for aggregate for concrete: Part VII AIbli aggrcgate reactivity.tM('thodl of physical tests for hydraulit cement.

3

IS I 9459 • 1980

0.5 For the purpose of deciding whether a particular requirement of thisstandard is complied with, the final value, observed or calculated.expressing the result of a test or analysis, shall be rounded off inaccordance with IS : 2-1960·. The number of significant places retainedin the rounded off value should be the same as that of the specified valuein this standard.

I. SCOPE

1.1 This standard Jays down the requirements of apparatus (known aslength comparator) to measure length change in hardened cement paste,mortar and concrete. using a suitable micrometer.

2. APPARATUS

2.1 The apparatus shall consist of an adjustable length comparator usinga screw or dial micrometer, together with a suitable reference bar.

3. CONSTRUCTION AND DIMENSIONS

3.1 The construction of the length comparator shall be as given in Fig. 1or Fig. 2. The type of apparatus shown in Fig. 2 is recommended fortesting heavy specimens, since the pressure caused by the weight of thespecimen, which would otherwise rail on the lower reference ball, is carriedby the slotted shelf. The apparatus shall preferably be adjustable forspecimens of different lengths. Nominal dimensions of the apparatus ofthe type shown in Fig. 1 are indicated in the figure. The end of theframe to seat the lower end of the reference bar shall be provided with acylindrical or conical recess. The surfaces in contact with the specimenreference points shall be heat-treated, hardened and polished.

3.1.1 The measuring instrument in the length comparator shall be ahigh grade micrometer having a range of at least 10 mm and graduatedto read in 0·002 mm units, accurate within 0·002 mm in any 0·020 mmrange or a suitable dial gauge. This gauge shall be rigidly mounted in ameasuring frame and shall have a conical spindle which can be locatedupon a 6 mm diameter baIlor other reference point cemented in thespecimen.

3.2 The reference bar against which the readings of the gauge are tested,shall be of stainless steel having a co-efficient of thermal expansion notgreater than 2 millionth per deg C. The reference bar may have anoverall diameter of 20 mm and of 300 =:: ~·5 mm or 150 ~ ~'5 mm length which

-Rules for rounding off numerical values (r,vij,d).

4-

IS I 1451 • 1980

ever is appropriate. The length of the reference bar shall be standard­ized at a particular temperature and provided with calibration charts(or reading length at different temperatures. Each end of the bar shallbe machined to 6 mm diameter spherical ends or 6 mm dia balls may beIwaged or otherwise fixed to the end. The ends shall be heat-treated,hardened and then polished. The central 100 mm of the length of thebar shall be covered by insulating material. such as 6 mm thick rubbertube, to facilitate handling and to minimize the effect of temperatureduring handling. The bar shall be provided with a positioning mark nearone end.

f50

l~

1<9> (5) 38 1IjjOI t

- 285

PILLAR

BASE

.1

......--........, {'2 rI 250

i~II

I

~----350----....

7SL~ ---..

14

400

All dimensions in millimetres.

Flo. 1 LENGTH COMPARATOR

5

18 I 945' • 1980

SHELF SUPPORT

SECTION XX

v

FRAME

x1.

VIEW-Y

Flo. 2 TYPICAL SET Up FOR DRYING SHRINKAGE AND MOISTURBMOVEMENT TEST ON HEAVY SPECrMEN

3.3 Except where the tolerances are specifically indicated against thespecified dimensions, all dimensions shall be taken as nominal dimensionswith tolerances normally applicable in general engineering practice.

4. MATERIAL

4.1 Materials of construction of different component parts of theapparatus shall be as given in Table I.

IS .9.59· 1980

TABLB 1 MATERIALS FOR LENGTH COMPARATOR( Claus' 4.1 )

SL PART M.-\TJl:RIAL

No.

i) Base Channel mild steel{ IS : 226-1975. )

ii) Pillars Mild Itee I( IS : 2l6·197S· )

iii) Bracket Mild steel( I~ : 226.1975- )

iv) Reference bar Stainless steel

v) Rubber tube Rubber

SPECIAL R~QUIREMEN'rs,11' AMY

Threaded for adjustment

Ends heat-treated, hardened andthen polished

NOTE - All Don-working mild steel parts or the apparatus shall be provided luit­able anticorrosive treatment such aa painting, nitridins and phosphating conformingto relevant Indian Standards.

*Specification for structural steel ( standard quality) (fifth reoisio« ).

s, MARKING

5.1 The apparatus shall be marked with the following information:

a) Name of the manufacturer or his trade-mark, andb) Date of manfacture,

5.1.1 The product may also be marked with Standard Mark.

S.1 The use of the Standard Mark is governed by the provisions of Bureau oflndian Standards Act, 1986 and the Rules and Regulations made thereunder.The details of conditions under which the licence for the use of Standard Markmay be granted to manfucaturers or producers may be obtained from the Bureauof IndianStandards.

7

IS I 9459 • 1980

( C.IlIillu,tl /r"m /NJ" 2 )

MembersDa R. K. GUOSH

Repres,,.,i,,,Central Road Research Institute (CSlll ),

New DelhiSHRI K. L. SETHI ( All,rnal, )

SHRt H. K. GUHA All India Instruments Manu(acturers and De.lenAssociation, Bombay

SORt V. K. VA8UDEVAN (AII,rna,,)SBRI P. J. JAQUa The Associated Cement Companies Ltd, Bombay

SHRI U. A. WADIA ( Alt"1UJt, )SDBI M. R. JOSJlI Research & Development Or aanization ( Ministry

of Defence ), Pune

Cement Research Institute of India, New Delhi

Research Institute (CSIR).Central BuildingRoorkee

SaRI Y. P. PATHAK (Alt,rnal')SRBI E. K. RAMAOHANDRAN National Test House, CalcuttaPaol' C. K. RAKESH Indian Institute or Technolog y, Eombay

DR R. S. AYYIt R ( Alt,rnat, )5BBI M. V. RANOA RAO

DR K. C. NARANG ( Alt,rtUJt, )DB 5. S. RERal

SRJU J. P. KAU8HI8H ( Alt,rnal, )SBBI M. M. D. SETH Public Works Department, Government of Uttar

PradeshSURI J. p. BHATNAOAR (Alt,rllat,)

SSRI H. C. VERMA Associated Instrument MaDu(actur~rs (India)Private Ltd. New Delhi

SRRI A. V. SHASTRI ( Alln"at, )

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