concrete lab

7/26/2019 Concrete Lab

1/13

Experiment 1:

CONSISTENCY OF STANDARD CEMENT PASTE (IS:4031-Part4-1988)

Overvie

Sta!"ar" #$!%i%te!#& $' a #ee!t a%te i% "e'i!e" a% t*at #$!%i%te!#& *i#* i++ erit a vi#at +,!er

*avi! 10 "ia a!" .0 +e!t* t$ e!etrate t$ a "et* $' 33-3. 'r$ t$ $' t*e $,+"(80

"ia / 40 "ee)

Aarat,%

Mea%,ri! I!%tr,e!t%

NAME CAPACITY / RANG

E / SIZE

ACCURACY / LEAST

COUNT

Vicat apparatus Should be made as per

IS:5513

Balance 1000 g 1 g

Measuring cylinder 100 ml 1 ml

Ot*er a##e%%$rie%

Tray glass plate
http://civilblog.org/2013/05/04/consistency-of-standard-cement-paste-is-4031-part4-1988/http://civilblog.org/2013/05/04/consistency-of-standard-cement-paste-is-4031-part4-1988/http://civilblog.org/2013/05/04/consistency-of-standard-cement-paste-is-4031-part4-1988/http://civilblog.org/2013/05/04/consistency-of-standard-cement-paste-is-4031-part4-1988/


2/13

i#at Aarat,%

E!vir$!e!ta+ C$!"iti$!

Temperature !" # !0 $

%umidity &5 # 5 '

Pr$#e",re

1 Ta2e 400 $' #ee!t a!" +a#e it i! t*e e!ae+e" tra&

Mi a5$,t .6 ater 5& ei*t $' "r& #ee!t t*$r$,*+& t$ et a #ee!t a%te T$ta+ tie ta2e!

t$ $5tai! t*$r$,*+& ie" ater #ee!t a%te ie 7a,i! tie %*$,+" !$t 5e $re t*a! 3 t$ .

i!,te%

3 Fi++ t*e vi#at $,+" re%ti! ,$! a +a%% +ate it* t*i% #ee!t a%te

4 A'ter 'i++i! t*e $,+" #$+ete+& %$$t*e! t*e %,r'a#e $' t*e a%te a2i! it +eve+ it* t$ $'

t*e $,+"

. P+a#e t*e *$+e a%%e5+&(ie $,+" ; #ee!t a%te ; +a%% +ate) ,!"er t*e r$" 5eari! +,!er


3/13


4/13

Soundness ()e*chateliermethod+

0.78 P (,-$onsistency o. standard cementpaste+

Setting time 0.85 P (,-$onsistency o. standard cement

paste+

$ompressi/e strength

o. combined mass o. cement andsand

o C$!%i%te!#& re'er% t$ t*e re+ative $5i+it& $' a 're%*+& ie" #ee!t a%te $r $rtar $r it% a5i+it&

t$ '+$ F$r a $rtar t*e %ta!"ar" #$!%i%te!#& i% ea%,re" 5& '+$ ta5+e te%t

o e!era++& t*e !$ra+ #$!%i%te!#& '$r OPC ra!e% 'r$ < t$ 336

Te%t Sta!"ar" Re'ere!#e

o IS:4031(Part 4):1988-Met*$"% $' *&%i#a+ te%t% '$r *&"ra,+i# #ee!t (Deteri!ati$! $'

#$!%i%te!#& $' %ta!"ar" #ee!t a%te)


5/13

Home

About Me

Contact Me

Privacy Policy

Reinforcing Civil Engineers

AB OU T ME

MATERIA!

"EOTECH#ICA

CO#CRETE TECH#OO"$

HO% TO "UI&E

Y$, are *ere:$e013Ma&04INITIAL & FINAL SETTING TIME (IS:4031!"r# $1%'

INITIA= / FINA= SETTIN TIME (IS:4031-Part .-1988)

!earc'
http://civilblog.org/http://civilblog.org/about/http://civilblog.org/contact-me/http://civilblog.org/privacy-policy/http://civilblog.org/about/http://civilblog.org/category/construction-materials/http://civilblog.org/category/geotechnical/http://civilblog.org/category/concrete-technology/http://civilblog.org/category/how-to/http://civilblog.org/http://civilblog.org/http://civilblog.org/http://civilblog.org/2013/http://civilblog.org/2013/http://civilblog.org/2013/05/http://civilblog.org/2013/05/http://civilblog.org/2013/05/http://civilblog.org/2013/05/04/http://civilblog.org/2013/05/04/http://civilblog.org/2013/05/04/initial-final-setting-time-is-4031-part-5-1988/http://civilblog.org/http://civilblog.org/about/http://civilblog.org/contact-me/http://civilblog.org/privacy-policy/http://civilblog.org/about/http://civilblog.org/category/construction-materials/http://civilblog.org/category/geotechnical/http://civilblog.org/category/concrete-technology/http://civilblog.org/category/how-to/http://civilblog.org/http://civilblog.org/2013/http://civilblog.org/2013/05/http://civilblog.org/2013/05/04/http://civilblog.org/2013/05/04/initial-final-setting-time-is-4031-part-5-1988/


6/13

P,5+i%*e" 5&S,r&a2a!ta$! Ma& 4 013 1< Re%$!%e%

Overview

I!itia+ %etti! tie i% t*at tie eri$" 5etee! t*e tie ater i% a""e" t$ #ee!t a!" tie at *i#* 1

%>,are %e#ti$! !ee"+e 'ai+% t$ e!etrate t*e #ee!t a%te +a#e" i! t*e i#at% $,+" . t$ ? 'r$t*e 5$tt$ $' t*e $,+"

Fi!a+ %etti! tie i% t*at tie eri$" 5etee! t*e tie ater i% a""e" t$ #ee!t a!" t*e tie at *i#* 1

!ee"+e a2e% a! ire%%i$! $! t*e a%te i! t*e $,+" 5,t . atta#*e!t "$e% !$t a2e a!&

ire%%i$!

Apparatus

Measuring instruments

NAME CAPACITY / RANGE / SIZE

ACCURACY / LEASTCOUNT

Vicat apparatus Should be made as per

IS:5513

Balance 1000 g 1 g

Measuring cylinder 100 ml 1 ml

Stop atch 30 min 0! sec

Other apparatus

2lass plate enamel tray troel
http://civilblog.org/author/SuryakantaPadhi/http://civilblog.org/author/SuryakantaPadhi/http://civilblog.org/author/SuryakantaPadhi/http://civilblog.org/2013/05/04/initial-final-setting-time-is-4031-part-5-1988/#commentshttp://civilblog.org/2013/05/04/initial-final-setting-time-is-4031-part-5-1988/#commentshttp://civilblog.org/author/SuryakantaPadhi/http://civilblog.org/2013/05/04/initial-final-setting-time-is-4031-part-5-1988/#comments


7/13


8/13

4periment !


9/13

i#at Aarat,%

Environmental Condition

Temperature !" # !0 $

elati/e %umidity 60 ' (min+

Procedure

(a)Test Block Preparation

1 e'$re #$e!#i! %etti! tie te%t "$ t*e #$!%i%te!#& te%t t$ $5tai! t*e ater re>,ire" t$ ive

t*e a%te !$ra+ #$!%i%te!#& (P)


10/13

Ta2e 400 $' #ee!t a!" reare a !eat #ee!t a%te it* 08.P $' ater 5& ei*t $' #ee!t

3 a,e tie i% 2et 5etee! 3 t$ . i!,te% Start t*e %t$ at#* at t*e i!%ta!t *e! t*e ater i%

a""e" t$ t*e #ee!t Re#$r" t*i% tie (t 1)

4 Fi++ t*e i#at $,+" re%ti! $! a +a%% +ate it* t*e #ee!t a%te a,e" a% a5$ve Fi++ t*e

$,+" #$+ete+& a!" %$$t* $'' t*e %,r'a#e $' t*e a%te a2i! it +eve+ it* t*e t$ $' t*e $,+" T*e

#ee!t 5+$#2 t*,% reare" i% #a++e" te%t 5+$#2

(b)nitial !etting Time

1 P+a#e t*e te%t 5+$#2 #$!'i!e" i! t*e $,+" a!" re%ti! $! t*e !$!-$r$,% +ate ,!"er t*e r$"

5eari! t*e !ee"+e

=$er t*e !ee"+e e!t+& ,!ti+ it #$e% i! #$!ta#t it* t*e %,r'a#e $' te%t 5+$#2 a!" >,i#2 re+ea%e

a++$i! it t$ e!etrate i!t$ t*e te%t 5+$#2

3 I! t*e 5ei!!i! t*e !ee"+e #$+ete+& ier#e% t*e te%t 5+$#2 Reeat t*i% r$#e",re ie >,i#2+&

re+ea%i! t*e !ee"+e a'ter ever& i!,te% ti++ t*e !ee"+e 'ai+% t$ ier#e t*e 5+$#2 '$r a5$,t . ea%,re"

'r$ t*e 5$tt$ $' t*e $,+" N$te t*i% tie (t)

(c)"inal !etting Time

1 F$r "eteri!i! t*e 'i!a+ %etti! tie re+a#e t*e !ee"+e $' t*e i#at% aarat,% 5& t*e !ee"+e

it* a! a!!,+ar atta#*e!t

T*e #ee!t i% #$!%i"ere" 'i!a++& %et *e! ,$! a+&i! t*e 'i!a+ %etti! !ee"+e e!t+& t$ t*e

%,r'a#e $' t*e te%t 5+$#2G t*e !ee"+e a2e% a! ire%%i$! t*ere$! *i+e t*e atta#*e!t 'ai+% t$ "$ %$

Re#$r" t*i% tie (t3)

2.1 Initial Setting Time - The elapsed time, after initial contact of cement and water,

required for the mortar (sieved from the concrete to reach a penetration resistance

of !"#! $%mm2 ( !& 'gf%cm2 . 2.2 inal Setting Time - The elapsed time, after initial

contact of cement and water, required for the mortar ( sieved from the concrete to

reach a penetration resistance of 2).*+ $%mm2 ( 2+& 'gf%cm.

Calculation

I!itia+ %etti! tiet-t1

Fi!a+ %etti! tiet3-t1


11/13

@*ere

t1Tie at *i#* ater i% 'ir%t a""e" t$ #ee!t

tTie *e! !ee"+e 'ai+% t$ e!etrate . t$ ? 'r$ 5$tt$ $' t*e $,+"

t3Tie *e! t*e !ee"+e a2e% a! ire%%i$! 5,t t*e atta#*e!t 'ai+% t$ "$ %$

Precautions

o Re+ea%e t*e i!itia+ a!" 'i!a+ %etti! tie !ee"+e% e!t+&

o T*e eerie!t %*$,+" 5e er'$re" aa& 'r$ vi5rati$! a!" $t*er "i%t,r5a!#e%

o Nee"+e %*$,+" 5e #+ea!e" ever& tie it i% ,%e"

o P$%iti$! $' t*e $,+" %*$,+" 5e %*i'te" %+i*t+& a'ter ea#* e!etrati$! t$ av$i" e!etrati$! at t*e

%ae +a#e

o Te%t %*$,+" 5e er'$re" at t*e %e#i'ie" e!vir$!e!ta+ #$!"iti$!%

!tandard !peci#ication

Type/Nae O!

Cee"#

Re!e$e"%e& I"&'a"

S#a"a&a$&

I"'#'a(

Se##'")

T'e* '"#+

,'".-

F'"a(

Se##'")

T'e* '"#+

,a.-

7,$(33+ IS:!&6 30 &00

7,$(83+ IS:911! 30 &00

7,$(53+ IS:1!!&6 30 &00

S$ IS:1!330 30 &00

,,$ IS:1896,1 30 &00

%,$ IS:9081 30 &00


12/13

,S$ IS:855 30 &00

%igh alumina IS:&85! 30 &00

Super sulphated IS:&606 30 &00

)o heat IS:1!&00 &0 &00

Masonry cement IS:38&& 60 1880

IS*T*80 ailay &0 &00

Technical $iscussion

o It i% e%%e!tia+ t*at #ee!t %et !eit*er t$$ rai"+& !$r t$$ %+$+& I! t*e 'ir%t #a%e t*ere i*t 5e

i!%,''i#ie!t tie t$ tra!%$rt a!" +a#e t*e #$!#rete 5e'$re it 5e#$e% t$$ rii" I! t*e %e#$!" #a%e t$$

+$! a %etti! eri$" te!"% t$ %+$ , t*e $r2 ,!",+& a+%$ it i*t $%t$!e t*e a#t,a+ ,%e $' t*e

%tr,#t,re 5e#a,%e $' i!a"e>,ate %tre!t* at t*e "e%ire" ae

o Setti! %*$,+" !$t 5e #$!',%e" it* *ar"e!i! *i#* re'er% t$ t*e ai! i! e#*a!i#a+ %tre!t*

a'ter t*e #ertai! "eree $' re%i%ta!#e t$ t*e e!etrati$! $' a %e#ia+ atta#*e!t re%%e" i!t$ it

o Setti! tie i% t*e tie re>,ire" '$r %ti''e!i! $' #ee!t a%te t$ a "e'i!e" #$!%i%te!#&

o I!"ire#t+& re+ate" t$ t*e i!itia+ #*ei#a+ rea#ti$! $' #ee!t it* ater t$ '$r a+,i!,-%i+i#ate

#$$,!"

o I!itia+ %etti! tie i% t*e tie *e! t*e a%te %tart% +$%i! it% +a%ti#it&

o I!itia+ %etti! tie te%t i% i$rta!t '$r tra!%$rtati$! +a#i! a!" #$a#ti$! $' #ee!t

#$!#rete

o I!itia+ %etti! tie ",rati$! i% re>,ire" t$ "e+a& t*e r$#e%% $' *&"rati$! $r *ar"e!i!

o Fi!a+ %etti! tie i% t*e tie *e! t*e a%te #$+ete+& +$%e% it% +a%ti#it&


13/13

o It i% t*e tie ta2e! '$r t*e #ee!t a%te $r #ee!t #$!#rete t$ *ar"e! %,''i#ie!t+& a!" attai! t*e

%*ae $' t*e $,+" i! *i#* it i% #a%t

o Deteri!ati$! $' 'i!a+ %etti! tie eri$" 'a#i+itate% %a'e re$va+ $' %#a''$+"i! $r '$r

o D,ri! t*i% eri$" $' tie riar& #*ei#a+ rea#ti$! $' #ee!t it* ater i% a+$%t #$+ete"

Te%t Sta!"ar" Re'ere!#e

o IS:4031(Part .):1988-Met*$"% $' *&%i#a+ te%t% '$r *&"ra,+i# #ee!t (Deteri!ati$! $' i!itia+

a!" 'i!a+ %etti! tie%)

concrete lab

Documents