ABSTRAC Th applied in materials nanotechno requiremen the strength is partially the environ to carry ou mill to pro small perc Concrete. T INTRODU R dimension developme concrete te quality.
“N Nanotechn Nanometer N meters as t about100 m
T using high surface of EXPERI
MECHA
1Departmen
3Depart
CT:
he use of nano many fields. M such as ceme ology potentia nts. It is also r
h and life of co y replaced in or
nmental impac ut an experime duce nanofly a centage of Nan The workabilit UCTION:
Recent research to classical‟
ent of construc echnology. As
Nanotechnolog nology is usua
r) 10-9m.
Nano-concrete i the cementing micro meters. I o modify the p h energy ball m the fly ash can MENTAL PR
ANICAL PRO Ganes nt of Civil Eng
2Departmen ment of Civil E
o particles in de More specifica ent and concr ally offers the eported that ad oncrete. In ord rdinary Portlan ct, improves th ental investigat ash. For 20 gra no fly Ash. Co ty of concrete w
h has shown cement techno ction industry
concrete is mo
gy is defined as ally associated
is defined as “A agent. Curren In the case of m particle size of mill. The surfac n be altered to a ROGRAM:
OPERTIES O sh Babu O1, Sa gineering, Univ nt of Civil Eng
Engineering, R
eveloping mate ally, such partic rete. Concrete e opportunity ddition of nano der to reduce th nd cement and he workability tion on concre ade of concrete oncrete with n with nanofly as
that a state-o ology; similarl by innovation ost usable mat
s fabrication of d with study
A concrete ma ntly cement pa micro-cement t f fly ash by tra ce properties c a rough and mo
F CONCRET aravanan R2, Sa versity College
ineering, Anna Regional Office
erials with desi cles can lead t e technology i
to improve t o materials to c he carbon emis
termed as Port and long term ete with nano f e, 30%, 40% an nano fly ash w sh was found t
of-the-art proc ly this is the t s in concrete t erial in constru
f devices or ma of materials o
ade with Portla article sizes ran
the average par ansforming the can be modifie ore reactive pro
TE WITH NAN akthieswaran N e of Engineerin
a University, C e, Anna Univer
ired properties to improvemen is a multidisc the properties
concrete can le ssion due to the tland pozzolana
strength of co fly ash. Fly ash nd 50% of cem was found tobe o be significan
cess for high-p time to work
techniques and uction industry
aterials with at of micro size
and cement par nges from a fe rticle size is red e micro sized f
d by ball grind oduct by this te
NO PARTICL N3
ng, Ramanathap Chennai
rsity – Tirunelv
has gained po nts in the nano ciplinary area
of concrete ead to significa e cement manu
a cement (PPC oncrete. An atte h was grinded ment was replac
e stronger than ntly more than
performance c on “NANO T d also some ne y it’s been requ
tomic or molec i.e. one billi
rticles that are ew Nano-meter duced to 5 mic fly ash into nan
ding. The smo echnique.
LES
puram.
veli
opularity and is structure of bu of research to suit the sp ant improveme ufacturing the f C) it not only re empt has been d in the ball gr ced with fly As n NCC and Fl
that of NCC.
cement adds a ECHNOLOGY ew materials f uiring to impro
cular scale prec ionth of a me
less than 500 rs to a maxim cro meters.
no structured f oth, glassy and
s being uilding where pecific ents in fly ash educes n made inding sh and ly Ash
a new Y” for for the ove its
cision”
eter (a
Nano- mum of
fly ash d inert
Ex strength of weight (30 of cement b
Th x 150 mm
Cu Id
C F F
F
Cube Id
NF 1 NF 2 NF 3
Results an Workabili W 30% by fly
xperimental in f 20 MPa at 28 0%, 40% and 5 by weight) has his experiment x 150 mm. Nu
ube
d Fly
C 1 2
3
Fly ash rep (weight by 30 40 50
nd Discussion:
ity:
When adding ce y ash the slum
nvestigations a days with wat 50%). A simple s been adopted
tal program co umber of cubes
ash replaceme
0%
30%
40%
50%
Table I: spe
placement y cement) 0%
0%
0%
Table :
ement alone as mp value slight
are carried ou ter-cement ratio
e method of m .
onsists of castin s casted, their id
ent
7 d
cimen details o
Nano fly ash (weight b
3 3 3
e II: specimen d
s a binder the s tly increases. F
ut on concrete o of 0.5. grade mix proportioni
ng and testing d, descriptions
days curing
3 3 3 3
of partially rep
h replacement by fly ash)
%
%
%
details of nano
slump value be For re placeme
cubes. The m e 53 cement wa
ing using fly a
of 63 concrete s and their curin
No of cube
14 days cu
3 3 3 3
placed fly ash c
7 days curi 3 3 3
concrete cube
ecome 85mm.T ent of binder a
mix was desig as partially repl sh (i.e. fly ash
e cubes of stand ng period are s es for
uring 28
concrete No of cub ing 14 da
curin 3 3 3
es
Then while rep as 50% by fly
gned for target laced with fly a h as part replac
dard size of 15 summarized be
days curing
3 3 3 3
bes for ays
ng
28 cu
placing binder ash the slump
t cube ash by cement
50 mm elow.
8 days uring
3 3 3
r about value
become 90 value sligh
Cub
C F F F NF NF NF
Compressi Fo with the m smaller tha For Conve adding Nan
Cube id
C
F 1
F 2
F 3
NF 1
0mm.At the sam htly increases c
be Id Fly (we C
F 1 F 2 F 3 F 1 F 2 F 3
ive Strength:
or conventiona mix proportion an that of the c entional Concr
no Silica at 3%
d Fly ash r (weight
3
4
5
3
me time adding continuously.
ash replacem eight by ceme
0%
30%
40%
50%
30%
40%
50%
al concrete the n of F1,F2,F3,N
conventional c ete 28 days St
% and Fly ash a
replacement by cement)
0%
30%
40%
50%
30%
g nano silica to
ment nt)
N repla
Table III: Tes
e compressive NF1,NF2,NF3 concrete but 28 trength was 33 at 30%.
Nano fly replacemen
by fly a -
-
-
-
3%
o the above mi
Nano fly ash acement (weig
by fly ash) - - - - 3%
3%
3%
st result for wo
strength at 7 d 3 the compress 8 days Strengt 3.22 N/mm2, th
y ash t (weight ash)
C
%
ix because of t
ght Slum (m
8
orkability
days curing pe sive strength v th will be high he value will b
Compressive Curing
for 7 days
C fo
d 25.33 2
21.33 2
13.77 2
10.66 1
24.44 2
these binary co
mp value
mm) T
85 87 88 90 89 91 93
eriod is 25.33N value at 7 day her than the co
be increased to
strength (N/m uring or 14 days
Cu for
d 28.88 33
27.11 34
20.44 29
5.11 23
29.77 38
omponents the
Type of slump
TRUE TRUE TRUE TRUE TRUE TRUE TRUE
N/mm2. For co ys curing perio onventional con o 38.11N/mm2
mm2) uring
r 28 ays 3.22
4.11
9.22
3.88
8.11
slump
p
oncrete od are ncrete.
while
NF 2
NF 3
COMPAR
COMPAR
4
5
RISION OF CO
RISION OF CO
(/)
40%
50%
OMPRESSIVE CUBES WIT
Fig 1: Compre OMPRESSIVE CUBES WIT
0 5 10 15 20 25 30 35 40 45
Compressive Strength (N/mm2) 7
0 5 10 15 20 25 30 35
Compressive strength (N/mm2) 7 D
3%
3%
Table IV : Tes
STRENGTH V TH NCC AT 3
essive strength STRENGTH V TH NCC AT 4 7 DAYS 14 DA
T
DAYS 14 DA T
%
%
st result for com
VALUES OF 0% REPLACE
h values at 30%
VALUES OF 0% REPLACE AYS 28 DAYS Time (days)
AYS 28 DAYS Time (days)
19.55 2
13.77 1 mpression
FLY ASH AN EMENT OF CE
% replacement o FLY ASH AN EMENT OF CE S
S
24.88 32
19.11
ND NANO FLY EMENT
of cement ND NANO FLY
EMENT C F 1 NF 1
C F 2 NF 2
2.33
27
Y ASH CONCR
Y ASH CONCR RETE
RETE
COMPARRISION OF CO
COMPARISI
OMPRESSIVE CUBES WIT
Fig 3:Compre ON OF COMP ASH C 0 5 10 15 20 25 30 35
Compressive strength (N/mm
2)
STRENGTH V TH NCC AT 5
essive strength PRESSIVE ST CONCRETE C 7 DAYS 14
T
VALUES OF 0% REPLACE
values at 50%
TRENGTH VA UBES AT 28 D 4 DAYS 28 DAY
Time (days)
FLY ASH AN EMENT OF CE
% replacement o ALUES OF NC DAYS CURIN S
ND NANO FLY EMENT
of cement CC, FLY ASH A
NG C F 3 NF 3
Y ASH CONCR
AND NANO F RETE
FLY
CONCLU Th
Si hi
Th C
Th w
Th Th
A ex Th REFERE
Je In
M Jo
Pr co
H N
Fig 4: Compre USIONS:
he following c ince the nano s igher than that he workability Concrete.
he workability workability of th
he compressiv herefore it is a As the fly ash c
xpected, as the he reduction is ENCES:
emimah Carmi nternational jou Marthong C an ournal of Engin rinya Chindap ompressive stre Hemant Chauha National Confer
Compressive strength
essive strength
conclusions are sized particles of Normal Cem y of the concre
y of concrete i he mix and thu ve strength in an optimum per contents increa e secondary hyd s more at earlie
ichael.M And urnal of civil an nd Agrawal T neering Resear prasirt, Chai J ength and pore an and Bhavna rence on Recen
0 10 20 30 40 50
Compressive strength (N/mm
2)values of fly a
e derived based are most activ ment Concrete ete with nano
increases with us allows a decr ncreases with
rcentage of rep ases in 53 grad
dration due to er ages as comp
Prince Arulraj nd structural en
P 2012. Effe rch and Applica Jaturapitakkul e size of blende
a K. Shah 200 nt Trends in En
30% 4
% of f
ash and nano fl
d on the present ve, the strength
e.
fly ash was f
the increase i rease in the am the increase i placement.
de OPC there pozzolanic act pared to later a
j G 2011. Effe ngineering, 2(2 ect of Fly Ash
ations, 2(4):19 and Theerawa ed cement past
05. Effect of A ngineering & T
40% 50
fly ash replac
ly ash concrete
t research.
h of concrete w
found to be hi
in fly ash in c mount of water in fly ash in
is reduction in tion is slower a ages.
ect Of Nano F 2):475-482.
h Additive on 986-1991.
at Sinsiri 200 e. Cement & C Activated Fly Technology, 1-5
%
cement
e cubes at 28 da
with nano mater
igher than that
oncrete. Fly a used.
concrete upto
n the strength at initial stage
Fly Ash On St
Concrete Prop
05. Effect of Concrete Comp
ash in Metak 5.
C F NF
ays curing
rials was found
t of Normal C
sh use improv
o 30% replace
of concrete. T for fly ash con
trength Of Con
perties. Interna
fly ash finene posites, 27:425 kaolin based ce
d to be
Cement
ves the
ement.
This is ncrete.
ncrete.
ational
ess on –428.
ement.
Je tim Jo
D si
S.
co si 2(
R pr
emimah Carmi me and compr ournal (ESTIJ) Dale P. Bentz, A
izes to produce . Yuvaraj, Dr.S oncrete strengt ilica Fly ash (6):105-110.
Rafat Siddique roperties of con
ichael.M and P ressive strength , 2(1):158-162 Andrew S. Ha e sustainable co
Sujimohankum th and enhanci concrete. Inte
2003. Effect ncrete. Cement
Prince Arulraj h of cement m 2.
ansen and John oncretes. Ceme mar, N.Dinesh a ing the resistin ernational Jou
of fine aggre t and Concrete
G 2012. Influ mortar. Enginee
n M. Guynn 20 ent & Concrete and C. Karthic ng property of urnal of Emer
egate replacem e Research, 33:
uence of nano ering Science
011. Optimizat e Composites, 3
2012. Experim f corrosion and rging Technol
ment with Cla 539–547.
o materials on and Technolog
tion of cement 33:824–831.
mental research d permeability logy and Adv
ass F fly ash
consistency, s gy: An Interna
t and fly ash p
h on improvem by the use of vanced Engine
on the mech setting ational
particle
ment of f Nano eering,
hanical
