engineering material practical

8/12/2019 engineering material practical

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CIVIL ENGINEERING MATERIALS

Index

S.No Date Experiment Remarks

01

02

0

0!

0"

0#

0$

0%

0&

10

11

Me'ran (ni)ersit* o+ En,ineerin, and Te-'noo,*/ SA 'airp3r Mir4s 1


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CONTENTS

TESTS 5N RICS

E++ores-en-e

6ater A7sorption Compressi)e Stren,t'

Dimension Toeran-e

TESTS 5N AGGREGATE

Sie)e Ana*sis on Coarse A,,re,ate

Sie)e Ana*sis on 8ine A,,re,ate

3kin, o+ Sand

Spe-i+i- Gra)it* o+ Stones

TESTS 5N CEMENT

8ineness o+ Cement

Norma Consisten-* o+ Cement

Initia Settin, Time and 8ina Settin, Time o+ Cement



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8i,3re 1

TB


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10.

RES(LT:

T'e deposit o+ e++ores-en-e did not -o)er-o)er more t'an o+ t'eExposed area o+ t'e 7ri-k presen-e o+ e++ores-en-e is t'3s -assi+ied as

Re)ie@ ;3estions:

6'at is E++ores-en-e o+ ri-kJ

State t'e reasons o+ o--3rrin, o+ e++ores-en-e in 7ri-kJ

S'o3d t'e e++ores-en-e ,reater t'an KSi,'t 7e ao@ed +or ,ood -onstr3-tion @orkJ93sti+* *o3r ans@er.

6'* 7ri-k is pa-ed in in-ined position in t'e @ater tra* in t'e e++ores-en-e

TestJ

Me'ran (ni)ersit* o+ En,ineerin, and Te-'noo,*/ SA 'airp3r Mir4s #


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PRACTICAL NO. 2

57=e-t: To Determine T'e K6ater A7sorption


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damp -ot'. And t'en @ei,' t'e spe-imen. Let t'is @ei,'t 7e 62. T'eper-enta,e is -a-3ated 7*:


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Don4t 'eat t'e 7ri-k 3p to 200C 7e-a3se +3sion ma* 7e taken pa-e.

Re-ord t'e @ei,'t o+ t'e o)en dried 7ri-k a+ter 7rin,in, it to t'e room

temperat3re. Make s3re t'at t'e 7ri-k is immersed in t'e @ater +or 2! 'o3rs.

Make t'e s3r+a-e o+ t'e 7ri-k -ompete* dr* @it' damp -ot'.

Res3t:

T'e per-enta,e o+ t'e @ater o7ser)ations o+ Sampe No: 1 is andT'e per-enta,e o+ t'e @ater a7sorption o+ Sampe No: 2 is

Re)ie@ ;3estions:

6'at is


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PRACTICAL NO: 0&

59ECT: To Determine t'e Compressi)e Stren,t' o+ a 3rnt Ca* ri-k (sin,

(ni)ersa Testin, Ma-'ine ?(TM

E;(I


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Load app*

on ri-ks

?N

Area o+

ri-k

?-mP

Compressi)e

stren,t'

?N-mP

Load app*

on ri-k

?N

Area o+

ri-k

?-mP

Compressi)e

stren,t'

?N-mP


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PRACTICAL NO: 04

59ECT: To Determine T'e Dimension Toeran-e Test o+ a 3rnt Ca*

ri-k.

E;(I


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8or 'i,' -ass ?A Cass 7ri-ks t'e siQe )ariation or toeran-es'o3d 7e )er* itte. T'e standard t@ent* 7ri-ks o+ 1&mm siQe

@'en tested s'o3d +3+i t'e +oo@in, re>3irements.

ri-ks ;3ait* Len,t' ?mm 6idt' ?mm ei,'t ?mm

S37F Cass A #% to &2 1$ to 1%# 1$! to 1%#

S37 Cass "0 to !10 1#" to 1&" 1#" to 1%#

Sampe Met'od:

T'e 7ri-k sampe taken +or testin, s'o3d 7e a representati)e

sampe. As pres-ri7ed in t'e standard met'od random 7ri-ks

s'o3d 7e taken +rom a @'oe ot o+ t'e 7ri-ks. T'is ma* 7e done7* takin, a +e@ 7ri-ks +rom t'e top/ t'e sides and t'e inside o+

)ario3s sta-ks. o@e)er/ i+ t'e 7ri-ks are in t'e pro-ess o+ oadin,or 3noadin,/ t'is standard represtati)e sampe ma* 7e -oe-ted7* takin, a +e@ 7ri-ks +rom t'e di++erent ots 7ein, oaded or

3noaded/ at t'e e>3a inter)as. T'is @i ens3re t'e sampe to 7e

representati)e and t'e res3ts o+ )ario3s tests -an 7e appied to t'e@'oe ot o+ 7ri-ks.


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ri-ks s'o3d 7e see-ted random* +rom t'e sta-ks.

Re)ie@ ;3estions:

6'* random 7ri-k are see-ted +or sampin,J

6'at are t'e Dimensions +or +irst Cass ri-kJ

State t'e importan-e o+ t'is testJ

8i,3res +or dimensiona test o+ ri-ks

Meas3re o+ t'e Len,t' o+ t'e ri-ks

Meas3re o+ t'e 6idt' o+ t'e ri-ks

Meas3rement o+ t'e ei,'t o+ t'e ri-ks

Me'ran (ni)ersit* o+ En,ineerin, and Te-'noo,*/ SA 'airp3r Mir4s 1!


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PRACTICAL No: 05

59ECT: To Determine t'e 3antit* o+ -ement.

Gradin, one:

To des-ri7e an a,,re,ate 7* its maxim3m and minim3m siQe is not

eno3,' it 'as to 7e ,raded +rom t'is minim3m to maxim3m imits. T'e

maxim3m and minim3m imits to )ario3s t*pes o+ a,,re,ates in terms o+

t'eir per-enta,e passin, are re+erred as ,radin, imits.

8ineness mod33s:

T'e term 3sed as an idea a7o3t +ines or -oarseness o+ a,,re,ate/ or t'e

mean siQe o+ a,,re,ate parti-es. 8ineness mod33s to 7e -a-3ated as:

8.M O s3m o+ -omm3tati)e o+ a,,re,ate retained 100


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Dr* t'e a,,re,ate test sampe in a -onstant @ei,'t at a temperat3re o+

110C t'an -oo it do@n to room.


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De+ine +ineness mod33s o+ +ine a,,re,atesJ

PRACTICAL NO: 0'

59ECT: To Determine t'e parti-e siQe distri73tion 7* sie)e Ana*sis

met'od and to determine 8ineness Mod33s o+ -oarsea,,re,ates.

A


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PRACTICAL NO.0(

57=e-t: To Determine Spe-i+i- Gra)it* and 6ater A7sorption o+ CoarseA,,re,ate.

Apparat3s:aan-e/ o)en/ net 73-kets/ air dried/ a tra* ti,'t -ontainer ar,er eno3,'

to take 3p t'e sampe/ +iter paper and +3nne.


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Spe-i+i- ,ra)it* O

Apparent spe-i+i- ,ra)it* O 6!

6!F?6F62

Apparent spe-i+i- ,ra)it* O

Apparent spe-i+i- ,ra)it* O

6ater a7sorption O 61 F 6! W 100

6!

6ater a7sorption O W 100

6ater a7sorption O


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6'at is t'e imit +or -oarse a,,re,ates to a7sor7 t'e @aterJ

Does t'e siQe o+ -oarse a,,re,ates a++e-t its spe-i+i- ,ra)it* and apparent

spe-i+i- ,ra)it*J 93sti+* *o3r ans@erJ



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PRACTICAL NO.0)

57=e-t: To Determine t'e 73kin, o+ Sand.

Apparat3s:Meas3rin, -*inder/ 7o@.

Materias:

Sand/ @ater e.t.-.

T'eor*:

Sand @'en @et or moist s'o@s more )o3me t'an is dr* +orm.

T'3s/ i+ a -ertain )o3me o+ dr* sand is made moist 7* addin,@ater/ it @i s'o@s on in-rease in )o3me. T'is is t'e +a-t t'at

@ater +orms a +im aro3nd ea-' sand parti-e/ t'ere 7* -a3sin, t'e

in-rease in )o3me. T'is p'enomenon is -aed K3kin, o+Sand.it is o+ importan-e7e-a3se -ertain +ixed proportions o+ dr*sand are to 7e mixed +or makin, mortars o+ di++erent

spe-i+i-ations ne-essar* ao@an-e is/ t'ere+ore/ to 7e kept +or @et

sand.

T'o3,' t'e in-rease in )o3me +or -ertain per-enta,e o+ moist3re

)aries @it' t'e ,rade ,ain siQe o+ sand/ in ,enera. It is +o3nd t'at" to % per-ent moist3re -a3ses 20 to !0 per-ent )o3me in-rease.

As t'e )o3me o+ sand in-rease @it' in-rease in moist3re/ a sta,e

-omes @'en @it' an* +3rt'er in-rease in moist3re -ontent t'e

)o3me s3dden* +as 7a-k to its ori,ina )o3me in dr* +orm.


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in-rease in )o3me o+ sand. No@ @e 'a)e to determine 73kin, o+ sand t'ere is

57ser)ations and Ca-3ations:

Vo3me o+ dr* sand in meas3rin, -*inder O V1 O m

Mixin, o+ @ater )o3me o+ sand O

3kin, O 3kin, )o3me F Dr* )o3me W 100

Dr* )o3me3kin, O W 100

3kin, O


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PRACTICAL NO.0*

57=e-t: To Determine t'e 8ineness o+ ordinar* 3i-ker a-tion @it' @ater and ,ain'i,' ear* stren,t'. o@e)er t'e s'rinka,e and t'e -ra-kin, o+ -ement

in-reases @it' t'e +ineness +oo@ed 7* >3i-k deterioration. T'ere+ore t'e

+ineness o+ -ement 'as to 7e 7aan-ed @it' amo3nt o+ -oarseness at t'e-ement.

6e -an sa* t'at +ineness is t'e )ita propert* o+ -ement and 'as to 7e

-are+3* -ontroed. In t'e past/ t'e +ra-tion o+ -ement is retained on$"m ?N5.200 ASTM ?s'o@n in +i,3re test sie)e @as determined and

t'e maxim3m resid3e @as imited to 10 7* t'e @ei,'t o+ t'e 5rdinar*


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o@ ,*ps3m e++e-t t'e -ement time o+ -ementJ

PRACTICAL NO.10

57=e-t: To determine t'e norma Consisten-* o+


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mm +rom t'e 7ottom o+ t'e mo3d. In 5.


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S.No. 6C Ratio 6ater

Content ?m

Cement Content

?,ms

I.R

?mm

8.R

?mm


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PRACTICAL NO.11

57=e-t: To determine t'e initia and +ina settin, time o+ -ement paste 7* )i-at4s

apparat3s @it' di++erent neede atta-'ment.

Materias:Cement/ @ater and oi.

E>3ipments:

Vi-at4s apparat3s/ initia settin, neede/ +ina settin, neede/ ,ass pate/

spat3a/ 7o@ and meas3rin, -*i3nder.

Dis-3ssions:

6'en @ater is added to -ement a -'emi-a rea-tion kno@n as '*dration

takes pa-e eadin, to t'e settin, and 'ardenin, o+ t'e -ement paste.Settin, re+ers to t'e sti++enin, o+ t'e -ement paste. At'o3,' d3rin,settin, t'e paste a->3ires some stren,t' 73t +or pra-ti-a p3rposes it is

ne-essar* to distin,3is' KSettin, +rom Kardenin,. T'ese t@o terms 7*

no means represents t'e same t'in,. In +a-t/ settin, is a -'emi-a a-tion

t'at 7e,ins to take pa-e @'en @ater is added to t'e -ement and @'i-'-a3ses t'e pasti-s nat3re o+ t'e -ement to disappear so@* it 7e,ins to

represent t'e -r*sta +ormation. T'ere are t@o terms o+ settin, time/ +irst

is initia settin, time and se-ond is +ina settin, time. ardenin, is t'e

Me'ran (ni)ersit* o+ En,ineerin, and Te-'noo,*/ SA 'airp3r Mir4s 2&


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pro-ess t'at starts at t'e end o+ t'e initia setandindi-ates t'e ,ro@t' instren,t' o+ t'e mortar or -on-rete. (nder ,ood -3rin, -onditions t'e

stren,t' in-rease rapid*.

Met'ods o+ meas3rin, o+ initia settin, time:

Settin, time o+ -ement is meas3red 3sin, Vi-at4s apparat3s. 8or initiaset/ aro3nd neede @it' a diameter 1.10.0"mm s>3are in se-tion +at

end is 3sed. T'is neede a-tin, 3nder a pres-ri7ed @ei,'t is 3sed to

penetrate a paste o+ standard -onsisten-* pa-ed in t'e Vi-at4s mo3d. T'eamo3nt o+ @ater re>3ired +or standard paste s'a 7e 0.%"Wp per-ent 7*@ei,'t o+ -ement. 6'en t'e -ement paste sti++ens s3++i-ient* +or t'e

neede to penetrate on* to a point "1mm +rom t'e 7ottom/ initia set is

said to 'a)e taken pa-e. Initia set is expressed as t'e time eapsed sin-et'e mixin, @ater @as added to t'e -ement to t'e time @'en -ement paste

starts to set.

Met'od o+ meas3rin, o+ t'e +ina settin, time:

8ina settin, time is determined 7* t'e simiar neede +itted @it' a meta

atta-'ment 'oo@ed o3t so as to ea)e a -ir-3ar -3ttin, ed,e "mm indiameter and 0."mm 7e'ind t'e tip o+ t'e neede. 8ina set is said to 'a)e

taken pa-e @'en t'e neede ,ent* o@er to t'e s3r+a-e o+ t'e paste/

makes an impression on it 73t t'e -ir-3ar -3ttin, ed,e +ais to do so. T'e+ina settin, time is expressed as t'e time eapsed sin-e t'e mixin, o+

@ater @as added to t'e -ement to t'e time @'en -ement paste starts to

'arden. T'e initia and settin, time o+ some o+ t'e -ement is ,i)en in t'eta7e ,i)en 7eo@.



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8ina settin, time O &0 Y ?1.2WI.S.T

S. N5 T*pe o+ -ement Initia settin, time

?min3tes

8ina settin, time

?'o3rs


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Re)ie@ ;3estions:

6'at is initia and +ina settin, time +or -ementJ

6'* t'e initia settin, time o+ ;3i-k settin, -ement is ess t'an t'at o+ 5rdinar*

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