INTERNATIONAL ASSOCIATION OF ENGINEERING & TECHNOLOGY FOR SKILL DEVELOPMENT
ISBN : 378 - 26 - 138420 - 6
Innovative Brick Material M.Scinduja1, S.Nathiya1, C.V.Shudesamithronn1, M. Harshavarthana Balaji1,
,
T.Sarathivelan1 S. Jaya pradeep2 2. Assistant Professor, Department of Civil Engineering, Knowledge Institute of Technology, Kakkapalayam, Salem – 637 504, Tamil Nadu, India 1. U .G Student , Department of Civil Engineering, Knowledge Institute of Technology, Kakkapalayam, Salem – 637 504, Tamil Nadu, India
Environmental friendly Less weight INTRODUCTION Inflammable Since the large demand has been
Less water absorption
placed on building material industry especially Easily available
in the last decade owing to the increasing population which causes a chronic shortage of
The main objective of this project is
building materials, the civil engineers have
optimize the papercrete mix with desirable
been challenged to convert the industrial
properties,
wastes to useful building and construction
mentioned needs.
materials.
MATERIALS USED
This
experimental
study
which
which
satisfies
the
above
In this project waste materials were utilized to
investigates the potential use of waste paper
produce building
for producing a low-cost and light weight
materials were used in this investigation
composite brick as a building material. These
bricks.
The
following
CEMENT
alternative bricks were made with papercrete.
Cement is one of the binding materials in this project. Cement is the important
OBJECTIVES
building material in today’s construction
The major Objective of the project is
world
replacing the costly and scarce conventional building
bricks
by
an
innovative
and
53 grade Ordinary Portland Cement
alternative building bricks, which satisfies the
(OPC) conforming to IS: 8112-cement used.
following characteristics, Properties of cement
Required Cost effective 1
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INTERNATIONAL ASSOCIATION OF ENGINEERING & TECHNOLOGY FOR SKILL DEVELOPMENT
Description of test
ISBN : 378 - 26 - 138420 - 6
Test results
Requiremen
obtained
ts
of
IS:
8112 1989 Initial
65
Min.
setting time
minutes
30minutes
Final setting 270
Max.
time
minutes
600minutes
412.92
Min.
Fig GGBS QUARRY DUST Getting good Quarry dust free from
Fineness
2
m /kg
225
organic impurities and salts is very difficult in
2
m /kg
now a day. While adding the Quarry dust to the mix. And the Quarry dust should be in uniform size i.e., all the Quarry dust particles should be fine. The Quarry Dust obtained from local resource was used in concrete to cast test bricks. The physical and chemical properties of Quarry Dust obtained by testing the samples as per Indian Standards are listed in
Fig . Cement
table GROUND
GRANULATED
BLAST Properties of Quarry dust
FURNACE SLAG (GGBS) Ground-granulated blast-furnace slag
Property
(GGBS) is a byproduct which is obtained
Quarry
Natural
dust
sand
during the manufacturing process of pig iron
Specific gravity 2.54-2.60
in blast furnace. This process produces a
Bulk
glassy, homogeneous, non-crystalline material
density (kg/m )
that has cementitious properties. GGBS
Absorption (%)
powder was collected from Quality polytech,
Moisture
Mangalore. It is off white in colour by
content (%)
appearance. The specific gravity is 3.09. The
Fine
particles
GGBS powder is shown in fig
less
than
2.60
relative 3
1720-1810
1460
1.20-1.50
Nil
Nil
1.50
12-15
06
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INTERNATIONAL ASSOCIATION OF ENGINEERING & TECHNOLOGY FOR SKILL DEVELOPMENT
together with the power of hydrogen bond.
0.075mm (%) Sieve analysis
ISBN : 378 - 26 - 138420 - 6
Zone II
Coating this fiber with Portland cement
Zone II
creates a cement matrix, which encases the fibers for extra strength. Of course paper has more in it than cellulose. Raw cellulose has comparatively rough texture. Clay, rice husk ash is added to make the cellulose very smooth. Fig Quarry Dust PAPER Paper is principally wood cellulose. Cellulose is natural polymer. And Fig.3.4.1 shows the links of cellulose bonds. The cellulose chain bristles with polar-OH groups. These groups form hydrogen bonds with -OH group on adjacent chains, bundling, and the
Fig. Microscopic view of cellulose
chain together. The chains also pack regularly in places to form hard, stable crystalline
While adding more sand or glass to the
region that give the bundled chains even more
mix results in a denser, stronger, more flame
stability and strength.
retardant material, but adds weight and reduces R- value. Heavy mixes with added sand, glass etc., increases strength and resistance to abrasion,
but
also
reduces
flexibility
somewhat, adds weight and may reduce Rvalue. So the trick is finding the best mix for
Fig. Cellulose hydrogen bonds
the application.
Fig.shows the network of cellulose fibers and smaller offshoots from the fibers
This mould was collected from ACC
called fibrils. In this, fibers and fibrils network
brick suppliers in the size of 230mm length,
forms a matrix, which becomes coated with
110mm wide and 80mm deep.
Portland cement. When these networks of The papers, which were collected,
fibers and fibrils dry, they intertwine and cling
cannot be used directly. It should be made into 3 2nd INTERNATIONAL CONFERENCE ON CURRENT TRENDS IN ENGINEERING RESEARCH 18
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INTERNATIONAL ASSOCIATION OF ENGINEERING & TECHNOLOGY FOR SKILL DEVELOPMENT
paper
pulp
before
mixing
with
other
ISBN : 378 - 26 - 138420 - 6
used as an additive for cement concrete,
ingredients.
mortar & plasters. It makes concrete cohesive and prevents segregation.
WATER Water is an important ingredient of
Features & Benefits:
papercrete as it actively participates in the
Corrosion resistant - Makes
chemical reaction with cement. It should be
concrete more cohesive, hence
free from organic matter and the pH value
protects steel better against
should be between 6 to 7.
corrosion. Compatibility – Being a liquid, easily dispersible & compatible with concrete/mortar mixes. Permeability – It reduces the permeability of
water
into
concrete. Strength –. The setting time and compressive strength of the
Fig Materials Used
concrete remains within the specification limits WATER PROOFING COMPOUND FOR
Shrinkage – Reduces shrinkage
CONCRETE AND PLASTER
crack development in plaster & concrete. Workability
–
Improves
workability of freshly mixed cement concrete. Durability
–
Increases
durability
by
improving
waterproofing of concrete. Fig. Water Proofing Compound MODIFIER
Dr. Fixit Pidiproof LW+ is specially formulated
integral
compound
composed
liquid of
BONDING
COMPOUND
waterproofing surface
CUM
active
Dr. Fixit Super Latex is a highly potent
plasticizing agents, polymers & additives. It is
and versatile SBR based liquid for high 4
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INTERNATIONAL ASSOCIATION OF ENGINEERING & TECHNOLOGY FOR SKILL DEVELOPMENT
ISBN : 378 - 26 - 138420 - 6
performance applications in waterproofing and
minor refinements. There has been hardly any
repairs.
effort in our country to improve the brick-
Features & Benefits:
making process for enhancing the quality of
Excellent Coverage - 70-80
bricks.
sq.ft per kg/ in 2 coats
A brick is generally subjected to the
Less material wastage- material
following tests to find out its suitability for the
does not fall baclV rebound
construction work.
Highly cost effective due to better
coverage
&
ABSORPTION
lesser
A brick is taken and it is weighed dry.
wastage
It is then immersed in water for a period of 24
High Bonding Strength
hours. It is weighed again and the difference in
Prevents leakages & dampness
weight indicates the amount of water absorbed
Enhances strength & provides
by the brick. It should not, in any case, exceed
durability
20% of weight of dry brick. CRUSHING STRENGTH The crushing strength of a brick is found out by placing it in a compressiontesting machine. It is compressed till it breaks, as per BIS: 1077-1957, the minimum crushing
Fig. Modifier cum Bonding Compound
strength of brick is 3.50 N/mm2 .The brick
MATERIAL CHARACTERISTICS
with crushing strength of 7-14 N/mm2 are
BRICKS
graded as ‘A’ and those having above 14 N/mm2 is graded as ‘AA’.
The bricks are obtained by moulding clay in a rectangular block of uniform size and
HARDNESS
then by drying and burning the blocks. As the
In this test, a scratch is made on the
bricks are of uniform size, they can be
brick surface with the help of finger nail. If no
properly arranged and further, as they are in
impression is left on the surface, the brick is
lightweight, no lifting appliance is required for
treated to be sufficiently hard.
them. The common brick is one of the oldest PRESENCE OF SOLUBLE SALTS
building materials and it is extensively used at
The soluble salts, if presents in brick
present as a leading material in construction.
will cause efflorescence on the surface of
In India, process of brick making has not
bricks. For finding out the presence of soluble
changed since many centuries except some 5
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INTERNATIONAL ASSOCIATION OF ENGINEERING & TECHNOLOGY FOR SKILL DEVELOPMENT
salts in brick, it is immersed in water for 24
ISBN : 378 - 26 - 138420 - 6
STRUCTURE
hours. It is then taken out and allowed to dry
A brick is broken and its structure is
sunshade. The absence of grey or white
examined. It should be homogeneous, compact
deposits on its surface indicates absence of
and free from defects such as holes, lumps etc.
soluble salts.
PAPERCRETE
If the white deposit covers about 10%
Papercrete is a tricky term. The name
surface, the efflorescence is said to be slight
seems to imply a mix of paper and concrete,
and it is considered as moderate, when the
hence papercrete. But more accurately, only
white deposit cover about 50% surface. If grey
the Portland cement part of concrete is used in
or white deposits are found on more than 50%
the mix-if used at all. Arguably, it could have
of surface, the efflorescence becomes heavy
been called “paperment” papercrete may be
and it is treated as serious, when such deposits
mixed in many ways. Different types of
are converted into powdery mass.
paperecrete contain 50-80% of waste paper.
SHAPE AND SIZE
Up to now, there are no hard and fast rule, but
In this test, a brick is closely inspected.
recommended standard will undoubtedly be
It should be of standard size and its shape
established in fuature.
should be truly rectangular with sharp edges.
The basic constituents are waste nearly any
For this purpose, 20 bricks of standard size
kind of paper, board, glossy magazine stock,
(190mm X 90mm X 90mm) are selected at
advertising brochure, junk mail or just about
random and they are stacked length wise,
any other types of “mixed grade” paper is
along the width and along the height.
acceptable. some types of paper work better
For a good quality brick, the results
than other, but all types of works, newsprint
should be within the following permissible
are the best. Water proofed paper and card
limits:Length: 3680mm to 3920mm
board, such as butcher paper, beer cartons ect., are hard to break down in water. Catalogs,
Width : 1740mm to 1860mm
magazines and other publication are fine in Height: 1740mm to 1860 mm
and of themselves, but some have a stringy,
SOUNDNESS
rubbery, sticky spine, which is also water
In this test, two bricks are taken and
resistance. Breaking down this kind of
they are struck each other. The bricks should
material in the mixing process can’t be done
not break and a clear ringing sound should be
very well. Small fragments and strings of
produced.
these materials are almost always in the final mix. 6
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When
using
papercrete
containing
ISBN : 378 - 26 - 138420 - 6
the
volume. Once of the most advantageous
unwanted material in a finish, such as stucco
properties of papercrete is the way paper fibers
or plastering ,the unwanted fragment some
hold the Portland cement or perhaps the way
time shown up on the surface, but this is not
Portland cement adheres to paper fibers when
the serious problem.
the water added to the Portland cement drains from the mix, it come out almost clear.
In the optimization work the admixture like conplast WP90, Dr.Fixt 105 water proof and
There is no messy eco-unfriendly cement
polymer like nitrobond SBR are as the water
sediment left on the ground, running in to
repellent agents
waterways ect., papercrete can be produced using solar energy. The only power needed is
Papercrete’s additives can be,
for mixing and pumping water. Its R-value is Cement
in 2.0-3.0 per inch. Since walls in a one or two
GGBS
storey house will be12-16 inch thick, the long
Quarry dust
energy saving of building with papercrete will be a bonanza for the home owner and the
Paper
environmental. Papercrete is having the following derivatives, PADOBE Fibrous concrete Padobe has on Portland cement. it is Padobe
admix paper, water, earth with clay. Here clay
Fidobe
is binding material instead of using the cement, earth is used in this types of brick. This earth should have clay content more than 30%. With regular brick, if clay content is too
FIBROUS CONCRETE
high the brick may crack while drying, but
Fibrous concrete is a mixture of paper,
adding paper fiber to the earth mix strengthens
Portland cement, water. There are on harmful
the drying block and give some flexibility
by-products or excessive energy use in the
helps to prevent cracking.
production of papercrete. While it can be
FIDOBE
argued that the Portland cement is not
Fidobe is like padobe,but it may
environmental friendly, it is not used in all
content other fibrous materials
types of papercrete, and when it represents a fairly small percentage of cured material by
7 2nd INTERNATIONAL CONFERENCE ON CURRENT TRENDS IN ENGINEERING RESEARCH 22
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ISBN : 378 - 26 - 138420 - 6
ECO – FRIENDLY Phenomenal growth in the construction industry
depends
upon
the
deflectable
resources of the country. Production of building
materials
lead
to
irreversible
environmental impacts. Using eco-friendly materials is the best way to build an ecofriendly building. Eco-friendly, describes a product that has been designed to do the least possible damage to the environment.
EXPERIMENTAL PROCEDURE MANUFACTURING OF BRICKS
Fig. Mould
There was no clear past details about
This mould was non-water absorbing
the project. And there is no hard procedure for
in the size of 230mm length, 110mm wide and
casting the bricks. So the procedure that is
80mm deep. The shorter sides of the mould
given below was followed by our own. And
are slightly projecting to serve as handle. And
the equipments which were used in this project
joints were made without any hole or gap to
are for our convenience only.
avoid leakage.
MOULD PREPARATION After collecting all the materials, a mould was prepared. A typical
5.3 PULP GENERATION
mould is
The papers, which were collected
shown in the below figure.
cannot be used directly. It should be made into paper
pulp
before
mixing
with
other
ingredients. The following are the steps involved in the generation of pulp. First the pins, threads and other materials in the papers were removed. Then the papers were teared into small pieces of papers. 8 2nd INTERNATIONAL CONFERENCE ON CURRENT TRENDS IN ENGINEERING RESEARCH 23
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INTERNATIONAL ASSOCIATION OF ENGINEERING & TECHNOLOGY FOR SKILL DEVELOPMENT
Then, a 200 litre water tank was taken. And 2/3
rd
paste like form. Then the paper was taken out
of it was
from water and taken to the mixer machine to make it as a paper pulp.
filled with water. Then the small pieces of paper
The pulp generating process was
were immersed in the water
tedious and time consumption. For lab purpose
tank. The paper pieces were
only these procedures were followed. While
immersed individually not in a
going for mass production, the Tow mixers
bulky manner in order to make
were recommended to reduce the cost. The
the pieces completely wet.
Tow mixers have sharp blades and it can
Before immersing it into the water,
the
papers
ISBN : 378 - 26 - 138420 - 6
operate mechanically or electrically.
were MIXING
weighed. The figure shows the papers were being immersed in
After all the ingredients were ready,
the water tank.
the mixing was done. In this project, mixing was done manually. The mixing process of fibrous concrete bricks and padobe bricks are different, and that processes are given below. The exact mix proportion was not known. So, trial proportions were used in this project.
Fig.
Immersed
Paper
Fig. Mixing PAPERCRETE MIX RATIO Table : PAPERCRETE MIX RATIO
Fig. Paper Pulp
Trial Mix
The papers were kept in the tank for 2 to 3 days otherwise until the papers degrade into a
S
Identif
Ingredients (%)
ication
Dr
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INTERNATIONAL ASSOCIATION OF ENGINEERING & TECHNOLOGY FOR SKILL DEVELOPMENT
.
Mark
N Dr
o
.
Ce
Pa
Qua
men
pe
rry
t
r
dust
GGBS
Fi
% of weight of cement
xit 10
ISBN : 378 - 26 - 138420 - 6
Fixit
was selected nearer to the
302
casting place. First
Super
Quarry
Latex
the
ingredients
dust/
GGBS
like were
placed.
1
Then cement was placed over that ingredient. 1 .
2 .
3 .
2 P1
1
2
4
20%
0
These two were dry mixed with 50ml
shovel thoroughly still uniform
%
color was formed.
2 P2
P3
1
1
2
2
4
4
30%
50%
0
Then the paper pulp, which was 50ml
in a wet condition, was placed
%
separately. Paper pulp should
2
contain less water. So the
0
50ml
excess water was squeezed out.
%
The already mixed cement and GGBS/Quarry dust was placed
Weigh batching was carried out
over the paper pulp and mixed
in this project .So the materials
thoroughly to get the uniform
were measured in Kilograms.
mix.
According to the particular
There was no further water was
proportion the materials were
added separately unless it was
measured
kept
essential. The water in the pulp
separately .This was done just
was utilized for mixing the
before the mixing starts.
papercrete.
Glows,
first
shoes,
and
masks
After the mix, the required
were
wearied before the mixing.
amount of papercrete was taken
Then, the non–water absorbing
to the site and the remaining
and smooth surface was made
amount was kept free from
for mixing.
evaporation. CASTING OF BRICKS
Water was sprinkled over that surface. And this mixing place
10 2nd INTERNATIONAL CONFERENCE ON CURRENT TRENDS IN ENGINEERING RESEARCH 25
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ISBN : 378 - 26 - 138420 - 6
were carried out to check the properties of the bricks. And the results of the test were analyzed with the existing and standard results. The following tests were carried out to check the strength of the brick. WEIGHT Table : Weight of Papercrete Bricks S.No. 0f
Dry
Identification
%
Mark
GGBS
1.
P1
20
1.773
After mixing, it should be placed in the
2.
P2
30
1.842
mould within 30 minutes. So, two moulds
3.
50
1.862
Weight (kg.)
Fig. Manufacturing of Brick
P3
were used at the time to make the process very fast. The bricks were moulded manually by hand and on the table. The following are the steps involved in molding, The mould was over a table The lump of mix was taken and it was placed in the mould. The extra or surplus mix was removed either by wooden strike or the metal strike or frame with wire. The casted papercrete bricks dried for 14 days.
RESULT & DISCUSSION After casting the bricks, they were analyzed for using as a brick. Various tests 11 2nd INTERNATIONAL CONFERENCE ON CURRENT TRENDS IN ENGINEERING RESEARCH 26
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ISBN : 378 - 26 - 138420 - 6
specimen to room temperature and obtain its weight (M1) specimen too warm to touch shall not be used for this purpose. Immerse completely dried specimen in clean water at a
Water Absorption result in
temperature of 27+2C for 24 hours. Remove
% (24 hours)
the specimen and swipe out any traces of
Trail Mix
20%
30%
water with damp cloth and weigh the
50%
specimen after it has been removed from water 40.11%
33.85%
(M2)
23.74%
TABLE
WATER ABSORPTION TEST
OF PAPECRETE BRICKS
WATER ABSORPTION TEST
% OF WATER ABSORPTION
50
40.11 %
40
Fig. Weight of bricks-(P1,P2,P3)
33.85 %
30
The
ordinary
conventional
bricks
weight varies from 3 to 3.5 Kg but the fibrous concrete and padobe bricks weight varies from 1 to 2 Kg. The maximum weight is less than
23.74 %
G-20%
20
G-30%
10
G-50%
0 P1
P224 HOURSP3
2Kg only. In this above proportion GGBS is having 1/3 rdof the conventional brick weight
Fig. Water absorption test for Trial Mix
only. Sand based bricks are having weight 2/3 rd
COMPRESSION TEST
of conventional brick weight only. So this
bricks are light weight and it will also reduce total cost of construction due to the reduction in dead load. WATER ABSORBTION TEST Dry the specimen in ventilated oven at a temperature of 105C to 115C till it attains substantially
constant
mass.
Cool
the Fig. Compression test 12
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The test was carried out by a
was hold tightly without any
Compression Testing Machine. This test was
movement. Then the load was applied
carried out on 14th day from the date of casting papercrete brick.
While testing the
axially at a uniform rate This load was applied till the
papercrete brick great care must be taken, because
papercrete
catastrophically,
it
brick
never
failed
just compressed
ISBN : 378 - 26 - 138420 - 6
half of the brick. Three
like
bricks
from
same
squeezing rubber. So load was applied up to
proportion were tested every
half compression.
time. And the compressive strength
When papercrete brick failed at the
was calculated by this formula,
higher load, the structure was not fully
Compression strength= (load/surface area)
collapsed. Only the outer faces cracked and peeled out. The papercrete brick are having elastic behavior and less brittleness.
Best Compressive Strength in Trial Mix
N/mm2
( 14 Days)
20%
30%
Fig. Brick after testing TABLE COMPRESSIVE STRENGTH OF
50%
PAPECRETE BRICKS 5.9
7.5
8.7
The following steps were followed for COMPRESSIVE STRENGTH TEST COMPRESSIVE STRENTH IN N/mm2
compression testing. 10
First the irregularities in the
8
surface were removed.
5.9N/ mm2
7.5N/ mm2
8.7N/ mm2
6
The brick was placed centrally
G2…
4
on the bottom plate of the
2
universal testing machine.
0
Then the upper plate of the
P1
P2 14 DAYS P3
universal testing machine was Fig. Compression test for Trial Mix
lowered down up to the brick 13
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HARDNESS TEST In this test, a scratch was made on brick surfaces. This test was carried out for all the three proportions of brick. While the scratch was made with the help of finger nail on the bricks, very light impression was left on the fibrous concrete brick surface. So this test results that fibrous concrete bricks are sufficiently hard.
Fig. Inner structure of fibrous concrete brick
PRESENCE OF SOLUBLE SALTS The soluble salts, if presents in bricks
In this test fibrous concrete brick were
will cause efflorescence on the surface of
cut into equal parts. The fibrous concrete brick
bricks. For finding out the presence of soluble
piece structure was homogenous, compact,
salts in a brick, this test was carried out. In this
and free from defects and this brick pieces
test fibrous concrete brick were immersed in
look like a cake piece.
water for 24 hours. Then the bricks were taken
NAILING
out and allowed to dry in shade. And there was no any grey or white deposit on the bricks surface. It results that the bricks are free from soluble salts. SOUNDNESS TEST In this test two bricks from same proportion were taken and they were struck with each other. The bricks were not broken and a clear ringing sound was produced. So the bricks are good.
Fig. Nail in the brick
STRUCTURE TEST
Fibrous concrete bricks are less hard
In this test, the bricks were broken and
when compare to conventional bricks. So this
the structures of that bricks were examined,
test was carried out to find out whether bricks
whether they were free from any defects such
hold the nail or not. A nail was hammered in
as holes, lumps, etc.
the brick and a screw is also screwed in the 14
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ISBN : 378 - 26 - 138420 - 6
brick. In this two (Fig.6.8), fibrous concrete
Many cut bricks are wasted in now a
brick did not hold nails any better than dry
day. But the two fibrous concrete brick
wall, but screws worked well and hold a
pieces can be hold together by putting a
considerable weight. So, the screws are the
medium amount of glue on the bottom
anchors of choice for fibrous concrete bricks.
piece. This will not come apart (Fig.6.9.2). This
CUTTING AND GLUE
would
seem
to
indicate
that
papercrete could be used in application calling for quick assembly by cutting the pieces to size in advance and letting the user simply glue them together.
Fig. Brick pieces
PLUMBING AND ELECTRICAL
In site lot of bricks are wasted while cutting only. The labors could not able to cut the bricks exactly what they need. But, fibrous concrete bricks can be cut into exactly two pieces (Fig. 6.9.1) by using conventional saw blades. So, we can get any shape and size of fibrous concrete brick. Fig. Hole in the brick
Fig.6.9.2 Joined brick pieces 15 2nd INTERNATIONAL CONFERENCE ON CURRENT TRENDS IN ENGINEERING RESEARCH 30
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fibrous concrete bricks not for padobe brick.
Fig.Channel in the brick Installing plumbing
ISBN : 378 - 26 - 138420 - 6
lines
Because padobe brick was already heated in
requires
cutting holes and channels in papercrete. It
kiln at high temperature so, it won’t burn. The
was very easy in fibrous concrete bricks.
following are the steps involved in this test,
Electrical runs were cut with a circular saw
First, the brick was wiped with
or chain saw. To make holes for outlets,
cloths and all the foreign
horizontals and vertical slits was cut with a
matters were removed. Then the flammable sticks were
circular saw. Then unwanted pieces were removed with a screwdriver.
fired. After that, the bricks were held on the flame for five
Outlet boxes can be angle screwed
minutes.
directly into the papercrete. Home fires
After five minutes fixing was
start, where the wiring enters the outlet
stopped and the bricks were
boxes.
observed. So, nonflammable mortar should be put behind the outlet boxes for safety.
From the above test, it was observed
Once the electrical wiring and outlets are
that the fibrous concrete bricks did not
installed and then tested, the channels for
burn with an open flame. They smoldered
the electrical runs are for filled with
like charcoal. But these brick would be
papercrete.
reduced to ashes after burning several
FIRE
hours. If the interior plaster and exterior stucco is provided on the fibrous concrete bricks, the bricks won’t burn. The only weak point is inside the block, near electrical outlets, switches and other places where wires gives through walls, into boxes etc.,. Properly wired places never
Fig. Fire test A
cause fire. If we apply the plaster without brick
which
is
used
any hole or leakage on the bricks, it won’t
for
burn or smolder inside. Because there will
construction should not flammable in open
be lack of oxygen for burning.
flame, so this test was carried out for the
CONCLUSIONS
bricks. This test was carried out only for 16
2nd INTERNATIONAL CONFERENCE ON CURRENT TRENDS IN ENGINEERING RESEARCH 31
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INTERNATIONAL ASSOCIATION OF ENGINEERING & TECHNOLOGY FOR SKILL DEVELOPMENT
Using the papercrete brick in a
From the above experimental studies we can conclude that,
building, total cost will be reduced from 20% to 50%.
Papercrete bricks are suitable REFERENCE
for non-load bearing walls only.
1. B J Fuller, AFafitis and J L Santamaria.
The weight of this brick is 1/3
rd
ISBN : 378 - 26 - 138420 - 6
to
2/5
th
lesser
(May 2006) “The Paper Alternative”,
than
ASCE Civil Engineering Vol. 75 No.5 pp.
conventional clay brick.
72-77.
These bricks are not suitable
2. J Pera and J Ambroise (2005) “Properties
for water logging and external
of Calcined Paper Sludge”, Construction
walls. It can be used in inner
and Building MaterialsV0l.21, No.5 pp
partition walls.
405-413.
Due to less weight of these
3. Lex
Terry,
(2006)“Papercrete
bricks, the total dead load of
Construction”- Building Environment and
the building will be reduced.
Thermal
Since,
these
bricks
Envelope
Council
(BETEC)
are
Symposium was held on 13th to 16th
relatively light weight and
October 2006 at the Northen New mexico
more flexible, these bricks are
Community College in EIRito.
potentially ideal material for
4. M O’Farrell and S Wild. (2006) “A New
earthquake prone areas. Papercrete
brick
does
Concrete incorporating Watepaper Sludge not
Ash
(WSA)”
Cement
&
Concrete
expand or contract, so sheets
CompositesVol.17, No.3 pp 149-158. ,
of glass or glass block can be
5. ParvizSoroushian et al (February 1994)
embedded in and trimmed
“Durability and Moisture Sensitivity of
with papercrete.
Recycled Wastepaper – Fiber – Cement
The papercrete bricks are good
Composites”,
sound absorbent, hence paper
6. R.Garcia
et
these bricks can be used in
Properties
auditoriums.
Construction
Since, the waste materials are it
will
reduce
&
Concrete
Composites Vol. 16 No.2 pp 115-128.
is used in these bricks. So,
used,
Cement
of
al
(2008)
Paper and
“Pozzolanic
Sludge
Building
Waste”, Materials,
Vol.22 No.7, July 2008, pp 1484 – 1490.
the
7. Tarun R Naik et al (January 2004)
landfills and pollution.
“Concrete Containing Pulp and Paper Mill 17
2nd INTERNATIONAL CONFERENCE ON CURRENT TRENDS IN ENGINEERING RESEARCH 32
www.iaetsd.in
INTERNATIONAL ASSOCIATION OF ENGINEERING & TECHNOLOGY FOR SKILL DEVELOPMENT
ISBN : 378 - 26 - 138420 - 6
Residuals”, Proceedings of International Conference on Fibre Composites, High Performance
Concretes
and
Smart
Materials, Chennai, pp 515-525. 8. IS: 3495-1992 (Part 1 to 4), “Methods of Tests for Burnt Clay Bricks”, Bureau of Indian Standards, Third Revision, New Delhi. 9. IS: 383-1970, “Specification for coarse and fine aggregates from natural sources for concrete”, Bureau of Indian Standards. New Delhi.
18 2nd INTERNATIONAL CONFERENCE ON CURRENT TRENDS IN ENGINEERING RESEARCH 33
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