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haltingnosyUrban and Civil

Nov 29, 2013 (3 years and 9 months ago)

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i


Department of Civil & Environmental Engineering

Delhi College of Engineering, Delhi
-
110042


CERTIFICATE


This is to declare that the maj or proj ect
entitled “
Durability and Strength of
Concrete in Acidic
Environment


is a bonafide record of work done by me

for
partially fulfillment of requirement for the degree of M
.
E
.
, Ci vil Engineering
(Structural Engineering) from Delhi College of Engineering.

This proj ect has been carried out under the supervision of
Dr.Ani l Kumar Sahu,
Assistant Professor
, Depart ment o
f Ci vil Engineering, Delhi College of
Engineering, Delhi.

I have not submitted the matter embodied in this report to any other
Universit y or Institution for the award of any Degree or Diploma.





Name :
Vishnu kumar

Enroll No:
12371

Certif
icate:
-


This is to certify that the above statement laid by the candidate is
correct to best of our knowledge
.






Dr. A
nil K
umar Sahu

Assistan
t

Professor



Astt. Pro
fessor



Department of Civil and

Environmental Engineering,

Delhi College of Engineering,



Delhi
-
110042

.





ii


ACKNOWLEDGEMENT



It is a great pleasure to have the opportunity to extent my heartfelt gratitude to
everybody who helped me throughout th
e course of this proj ect.

It is distinct pleasure t o express my deep sense of gratitude and indebtedness to my
learned supervisor Dr
. Anil Kumar Sahu

for his inval uable guidance,
encouragement and patient reviews. His continuous inspiration has made me
com
plete this maj or proj ect. He kept on boosting me ti me and again for putting an
extra ounce of effort t o realize his work.

I would also like to take this opportunit y to present my sincere regards to
Prof.
S.K. Singh,Head of Department

for his support and en
couragement.

I am thankful to our Dr. R.K.Shukla
,

Librarian
,

Mr. S.K.Sexena Head of Computer
centre and other staff members for providing me unconditional and anyti me access
to the resources.


I am also thankful to
Mr. Alok Verma
, Lecturer,
Depart ment of c
i vil and Environmental Engineering, DCE, for his unconditional
support and moti vation during this workI am grateful to my parents for their moral
support all the ti me; they have been always cheering me up in the odd ti mes of this
work.

I would like to than
k t he Depart ment of Envi ronmental Engineering, Depart ment of
Mechanical Engineering, Pol ymer Technology Depart ment and concrete
Technology for providing access to their laboratories and assistance with the
experi ments
.

Vishnu kumar

College Roll No 17/STR
/07

Uni versity Roll No. 12371

M.E. (
Structural Engi neering
)

Depart ment of
Ci vil and Environmental Engineering

Delhi College of Engi neering,
Delhi





iii


CONTENTS


Certi fi cate











I

Acknowl edgement











I I

Contents











I I I

Li st of Tabl
es










V

Li st of Fi gures/graph









VI

Li st of
Abbrevi ati on









VI I I

Abstract













Chapter 1
I ntroducti on









1


Chapter 2

Li terature Revi ew








2

2
.1

Durabi l i ty concept









2
.2
Forms of det
eri orati on of concrete





2.3
Durabi l i ty of concrete contai ni ng CSM

2.4 Durabi l i ty of concrete made wi th EAF sl ag


2.5
Effect of l i me putty addi ti on on concrete

2.6 Effect of

freezi ng and thawi ng on concrete

2.7
sul
phate attack on al kal i
-
acti vated sl ag concrete

2.8Durabi l i ty of concrete wi th hi gh cement repl acement

2.9The effect of SMP on durabi l i ty of concrete

2.10 Effect of SCM on
the strength and durabi l i ty

2.11 Effecti vene
ss of surface coati ngs on durabi l i ty of concrete



iv




Chapter 3 Materi al and Methods

17





3.0 Materi al used for i nvesti gati on








3
.1

Cement












3.
2 Aggregate
s











3.
3
Adm
i xtures











3.
4 Mi x Desi gn











3
.5 Experi men
tal setup & test procedure







3.6 Test on har
dened concrete







Chapter 4 Resul t and Di scussi on


4O



4.1 Mass test










4.2 Compressi ve stren
gth test







4.3 Rebound no. test









4.4

U
l trasoni c
P
ul se
V
el oci ty

Test







4.5 Tensi l e strength test











4
.
6 modul us
of el asti ci ty








Chapter 5 Concl usi on


56









Chapter 6 S
cope for Future Research


57






REFERENCES






58









v








List of Table
s

Tabl e N0

Parti cul ar

Page No

3.1

Physi cal characteri sti cs
of cement

17

3.2

Che mi c a l P r o pe r t i e s o f c e me nt

18

3.3

S i e v e An a l y s i s

o f Ag g r e g a t e s

19

3.4

Obs e r v a t i o n
f o r
B ul k i n g o f S a nd

21

3.
5

S i l t Co nt e nt t e s t

22

3.
6

Gr a d i n g Z o ne s f o r Co a r s e & F i ne Ag g r e g a t e s
( As pe r I S:3 8 3
-
1970)

23

3.
7


S i e v e Ana l y s i s

o f s a n d s a mpl e

23

3.
8

F i n a l mi x pr o po r t i o ns f o r c o nc r e t e

24

3.9

Ve l o c i t y c r i t e r i a f o r c o nc r e t e q ua l i t y g r a d i n g
( As pe r I S:1 3 3 1 1
-
P a r t I )

25

4.1

Ma s s t e s t o f c o nc r e t e s pe c i me n ( i n g m)

40

4.2

Co mpr e s s i v e s t r e ng t h t e s t i n ( Mpa )

43

4.3

Re bo un d no. t e s t

45

4.4

Upv t t e s t

48


vi


List of
Figures /
Graph

Fig.

No

Par t i cul ar s

Page No.

3.1


Rebound Hammer


32


3.
2

US P V T e s t E qui pme nt

34

3.
3

Co mpr e s s i v e S t r e ng t h t e s t i n g
Ma c hi ne

35

3.
4

E x pe r
i me nt a l s e t up f o r c o mpr e s s i o n
t e s t

36

3.
5

S pe c i me n be f o r e f a i l u r e

36

3.
6
a

S pe c i me n a f t e r f a i l ur e a t r o o m
t e mpe r a t ur e

37

3.6
b

S pe c i me n a f t e r f a i l ur e
a t a c i d e f f e c t

38

3.7

E x pe r i me nt a l s e t up f o r s pl i t t e n s i o n
t e s t

39

Graph No.

Pa r t i c ul a r s


Page N
o.


4.1

Ma s s v/s g r a de

41


4.2

Ma s s l o s s v/s g a r de

42


4.3

C ompr e s s i v e s t r e ng t h v/s g r a de

44

4.5

T e ns i l e s t r e n g t h t e s t


50

4.6

S t r e s s s t r a i n

57

4.7

S pl i t T e ns i l e S t r e n g t h f o r c o nc r e
t e s pe c i me n ( i n
N/mm
2
)


4.8

E l a s t i c Mo d ul us f o r c o nc r e t e s pe c i me n ( i n
N/mm
2
)

57


vii



4.4

L o s s s t r e ng t h v/s g r a d e

44

4.
5

Re bo un d no. v/s g r a de

46

4.
6

L o s s i n no. v/s g r a de

47

4.
7

Upv t v/s g r a de

49

4.
8

L o s s i n

u pv t v/s g r a de

49

4.
9

T e ns i l e s t r e n g t h v/s g r a de

49

4.
10

L o s s i n t e n s i l e s t r e n g t h v/s g r a de

51

4.
11

Co mpr e s s i v e s t r e ng t h v/s ma s s

53

4.
12

Co mpr e s s i v e s t r e ng t h v/s R. No.

54

4.1
3

Co mpr e s s i v e s t r e ng t h v/s upv t

55

4.1
4

Co mpr e s s i v e s t r e ng t h v/s

t e ns i l e
s t r e ng t h

56

4.1
5

S t r e s s
-

s t r a i n c ur v e

58











viii








List of Abbreviations



Li st
of

Abbrevi ati on


IS Indi an S
tandard Code

BIS Bureau of Indi an Standard

EAF El ectri c arc furnace

HSC Hi gh Strength

Concrete

CSM C
ondensed si l i ca fume

R
.

No
.

Rebound Number

UPVT Ul tras
oni c Pul se Vel oci ty Test

MP
a Mega Pascal (N/
mm
2
)

ASTM Ameri can Soci ety for Tool s










ix










Abstract


An experi mental i nves
ti gati on has been carri ed out on the behavi or of
concrete i n
aggressi ve envi ronment
al

condi ti on .
The i nvesti gati on reported i n thi s proj ect,
was carri ed out to

study the strength and durabi l i t
y aspects of concrete. The
fol l owi ng test were carri ed out



Cubes for mass testi ng and non destructi ve testi ng such as rebound hammer
test,

Ul tra soni c pul se v
el oci ty test and compressi ve strength test.



Cyl i nder for spl i t tensi l e strength

test.

A total of 9
6

numbers of concrete
speci mens (72 cube of si ze 10mm x 10mm
x10mm, cyl i nder of si ze

150mm di a
meter

x 300mm

hei ght

)
were cast

and wer
e
i mmersed i n concentrated sul ph
uri c aci d of normal i ty 0.4N
.
These speci men are
tested as per rel evant Code of Practi c
e (Bureau of Indi an Standard) code
speci fi cati on .
The pH of sul fu
ri c aci d sol uti on i s checked regul arl y and mai ntai ned
constant by addi ti on of concentrated aci d from ti me to ti me.

The

resul ts of above tests show that the

mass, Rebound number
,

strength
, i s
more
of

hi gh gra
de concrete
compare
d

to l ow grade concrete.
Losses i n al l these
parameters are

more

i n l ow grade concrete, when cured i
n aci di c envi ronment.