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Fly Ash Bricks v/s Clay Bricks or

Conventional Bricks

QUALITY OF FLY-ASH BRICS!

"# FLY-ASH Bricks are eco friendly as it protects environment though Conservation of top soil andutilization of aste products of coal or lignite !ased "hermal #oer #lants$

$# %t plays a vital role in the a!etment of car!on-die-o&ide a harmful green house gas mass emissionof hich is threatening to thro the earth's atmosphere out of !alance$

%# %t is three times stronger then the conventional !urnt clay !ricks$ %ts size of ()* &+(* & ,) mm is derived from the modular concept giving perfect finish to !oth

faces here!y up to .*/cement mortar can !e saved during laying and plastering thus reducing

the cost of construction$'# As no clay is used in the manufacture of FLY-ASH Bricks the scope of efflorescence isnegligi!le$

(# %t continues gaining strength on atering ever after installation$)# Loss-due to !reakage under standard orking condition is less then one percent$*# 0se of FLY-ash Bricks results in +**1F" -2$..s3 ft each side hich enhances valuation of !uilt

up property$+# Fly-Ash Bricks is lighter than the conventional clay !ricks as it eight around . to .$( 4gs per

!ricks # "he !asic chemistry and technology !ased on hich FLY-ASH Bricks is manufactured has !een

successfully applied in ma5or construction pro5ect across the glo!e namely6-

a7 Akashi 4aikyo Bridge 8apan!7 Hungry House 9am 0SAc7 :uro "unnel 0nited 4ingdom; France$ FLY-Ash Bricks are cheaper than ordinary arying colour as per soil

0niform in shape and smooth in finish 0neven shape as hand made

9ense composition Lightly !onded

?o plastering re3uired #lastering re3uired

Lighter in eight Heavier in eight

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Compressive strength is around +** 4g;Cm( Compressive strength is around .) 4g;Cm(

Less porous @ore porous

"hermal conductivity

*$*-+$*) ;m( C

"hermal conductivity

+$() D +$.) ;m( Cater a!sorption E-+(/ ater a!sorption (*-()/

IS TH1 US1 OF CLAY TO B1 BA22134

"he central and state overnments are greatly concerned a!out top soil erosion toardsproduction of massive 3uantities of !ricks in the !ackground of enormous housing needs$ "heministry of poer overnment of %ndia issued circulars to all concerned department andorganizations to promote the use of fly-ash in the production of !uilding materials !y offeringseveral incentives$ %n spite of that entrepreneurial activity suffered due to e&isting mental !arrier

amongst user and reluctance of the !rick industry at largo to shift from the use of clay fly ash$Hoever on (($*)$+2 the @inistry of :nvironment and Forests mooted a proposal to !an thee&cavation of top soil ithin a radius of )* km$ From coal or lignite !ased thermal poer plantsthrough a draft notification$ Since then lot of ne units using fly-ash for the production of!uilding materials are coming up hich should spur the demand for Fal- !ricks;!locks in thedays ahead$ %n the direction the envisaged pro5ect has already received favoura!le response fromthe Hon'!le secretary GCSS%7 ovt$ of est Bengal toards removing the marketing!ottlenecks$

Fly Ash Bricks 5arket S6rvey an0 Analysis

%n this present era of changing ha!its and fancy the pro!lem of disposal of finished product atthe doorstep of costumers in time and in manner liked !y them a manufacturing organisationo!viously confront ith an apprehension communication gap rather a lacuna for sellingproducts$ "he present market trend involving demand supply gap and the generation offuture demand need ell calculation in consonance ith the customerIs choice and disposal ofproducts through a planned netork of distri!ution channel are to !e devised systematically andpragmatically$"he ministry of environment Forest ovt$ Jf %ndia vides notification no$ S$J$,E.G:7 9ated+KthSeptem!er + in term of para .G(7 .G.7 and duty supported !y the ur!an development

ovt$ Jf est Bengal >ide letter no (++G7-09;?;@;9;@-+;) dated (nd

day of 8une (***have prescri!ed the use of Fly- Ash !ased !rick in the construction of !uilding drains Bridges:tc$ :very Construction agency engaged in the construction of !uilding !ridges ithin theradius of +** from coal lignite !ased "hermal #oer #lants shall use Fly Ash Brick; CementFly- Ash Bricks$ %n such construction as per the folloing minimum percentage GBy >olume7 ofthe "otal Bricks used in each construction pro5ects namely6-

+$ () percent !y .+stAugust (**K

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($ )* percent !y .+stAugust (**).$ ,) percent !y .+stAugust (**EK$ +** percent !y .+stAugust (**,$

Bricks are one of the most important items of construction activities and constitute a!out E/ of

the total cost of construction$ "he annual turnover of the industry is 1s$ 2*** crores GAppro&7$ith the restriction in use of clay in manufacturing of !ricks Fly Ash Brick is Best su!stitute forit$ roing aareness among the prospective and potential !uilding consistent efforts !yovt$ Fly Ash Bricks are incorporate in the schedule of various construction agencies$

ith the change of ha!its choice as ell as the change of the society the demand of Fly- AshBricks is gradually increasing day !y day not only in the metropolitan cities !ut also in ur!an rural sector$ All construction orks are dependent on !ricks$

+2* !illion tones of common !urnt clay !ricks are consumed annually appro&imately .K* !illiontones of clay- a!out )*** acres of top layer of soil dug out for !ricks manufacture soil erosion

emission from coal !urning or fire oods hich causes deforestation are the serious pro!lemsposed !y !rick industry$ "he a!ove pro!lems can !e reduced some e&tent !y using fly ash !ricksin delling units$ 9emand for delling units likely to raise to 2* million units !y year (*+) forloer middle and lo income groups involving an estimated investment *f E,* !illionaccording to the Association of cham!er of commerce and industry demand for delling unitsill further gro to * million !y (*(* hich ould re3uires a minimum investment of2*!illion$ "he %ndian housing sector at present faces a shortage of (* million delling unitsfor its loer middle and lo income groups hich ill itness a spurt of a!out (($) milliondelling units !y the end of "enth plan period$ "here is ample scope for fly ash !rick and !lockunits$

9uring the rainy seasons supply of clay !ricks are very difficult$ "herefore in order to fulfil there3uired demand there ill !e a great chance to start more units in the field of fly ash !ricks$

FLY- ASH Bricks is lo value and hi volume product and transporting it over long distances isuneconomical$ "his leads to fragmented market that are serviced !y plants located in thevicinity$ "he housing construction segment is emitted to accounts for around ))/ of the total!ricks consumption in %ndia and hence forms a critical segment for the !rick industry$ Bricksconsumption has recorded a three- fold increase in last decade mainly due to step increase indemand from the housing segment %nfrastructure and industrial construction from the other ma5orconsumer of the !rick industry$

3U1 TO 2O2-A7AILABILITY OF CLAY8 5OST OF TH1 CO2712TIO2AL CLAY

BRICS 1LL12S AR AT TH1 3OOR ST19S OF CLOSI2: 3O;2# TH1R1 IS 2O

O9TIO2 BUT TO :O FOR FLY ASH BRIC A23 B1CAUS1 OF TH1 :O7T

R1:ULATIO2 TH1 315A23 FOR FLY-ASH BRIC AR1 I2CR1ASI2: 3AY BY

3AY#

9resent Scenario On Fly Ash In In0ia

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Jver ,)/ of the total installed poer generation is coal-!ased

(.* - ()* million @" coal is !eing used every year

High ash contents varying from .* to )*/

@ore than ++* million @" of ash generated every year

Ash generation likely to reach +,* million @" !y (*+*

#resently E)*** acres of land occupied !y ash ponds

#resently as per the @inistry Jf :nvironment Forest Figures .*/ of Ash

%s !eing used in Fillings em!ankments construction !lock tiles etc$