seminar presentation on brick manufacturing
TRANSCRIPT
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EMINAR
PRE ENTATION ON
BRICK
MANUFACTURING
KIRON RAJPUTCIVIL ENGG.
6TH SEMESTER
ROLL NO-POW-09-CV-022
GROUP-C
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OnOn
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Contents Introduction
Principal ingredients
Principal forms of clay Manufacturing of Bricks
Bricks size
Common Test on Bricks Qualities of a rst class brick
Conclusion
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Introduction Brick is one of the oldest building materials used inconstruction.
!en today the manufacturer of bricks still follo"s
the same basic procedures.
Today the use of modern plants ha!e mademanufacturing process more e#cient inmanufacturing bricks.
$ith complete kno"ledge % better usage of ra"materials in better kilns ha!e increased the usageof bricks in modern decades.
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Principal Ingredients The principal ingredients used in manufacturing of bricks isclay. The clay must consist of follo"ing ingredients. These
are&
'. (lumina) *+, to -+,
*. ilica) /+, to 0+,
-. 1ime) /,2. 34ides of iron) /, to 0,
/. Magnesia) a small 5uantity
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Principal Forms of Clay Clay occurs in three principalforms 6 same chemicalproperties 6 di7erent physical
properties8urface clays 6 found nearthe surface of the earth
8hale9s 6 sub:ected to highpressures relati!ely hard
8;ireclays 6 deeper le!els 6uniform physical andchemical properties 6"ithstand higher temp.
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Manufacturing of BrickMining and torageMined open pitClay is in form of large
clumps 6 undergoesprimary crushing
Preparing
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Manufacturing of Brick Moulding&
The clay is no"moulded. It can be
done in t"o "ays. Theyare& >and moulding Machine moulding
=enerally machinemoulded bricks arepreferred forconstruction.
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Manufacturing of Brick ?rying Before drying must ha!ebet"een @ to -+, "ater
Ailns are used to dry hrinkage occurs Temp range from * to
*+2 degrees C ?rying time ranges from*2 to 2 hours
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Burning and Cooling)
It is a !ery importantoperation.
It imparts hardness andstrength to the bricks
=enerally 0/+ degreecentigrade is preferred.
Can be burnt in Clamps or Ailns
=enerally Ailns are popularlyused for its e#ciency andprotability.
Manufacturing of Brick
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Brick izes The standard size of bricks
is 'Dcm 4 Dcm 4 Dcm
The traditional brick size is *2.cm 4 '*.'cm 4 @cm
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Common Test on Bricks ( brick is generally sub:ected to follo"ingtests. These are&
(bsorption Test
Crushing trength test
>ardness test
Presence of soluble salts
hape and size
oundness Test
tructure Test
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Qualities of a ;irst class
Brick The brick should be uniform and light It should be of standard size and shape
It should gi!e a clear metallic sound "hen strucktogether.
houldn9t absorb "ater more than *+, of its"eight
hould not contain eEorescence
Crushing strength shouldn9t be belo" /./+ FGmm*
hould ha!e lo" thermal conducti!ity.
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Conclusion Thus we can conclude with thatbricks are the most important
materials for Civil Engg.Construction, so bricks shouldbe superior in uality thushaving the right composition of
raw materials.