4- chapter cement and raw material nature.pdf
TRANSCRIPT
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1986.
2/22006 .
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Cement
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))Lime Stone
)Marl()Aluvium()Chalk()Shells()Clay(
.))Argillaceous))Shale
.
.))1-4
.
)(
.
).(
)( ))Calciner
.))Clinker)(
.))3-4.
4
.
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-))1-4
L.O.I SiO2 Al2O3 Fe2O3 CaO MgO SO3 K2O Na2O Cl
1 n 4.02 0.71 0.81 51.52 1.61 n 0.22 0.08 N
2 35.31 13.25 3.01 2.01 43.46 2.45 n 0.51 0.35 n
2 35.41 13.17 3.92 1.36 43.31 1.51 0.35 0.47 0.45 0.08
1 41.78 3.48 1.98 0.45 51.59 0.41 n n n n
3 31.38 22.44 2.29 2.08 38.17 1.44 0.82 0.62 0.18 n
4 n 15.17 3.48 2.03 39.97 3.49 n n n n
1=
2=
3=
4=
n=
L.O.I SiO2 Al2O3 Fe2O3 CaO MgO SO3 K2O Na2O Cl
5 21.02 41.56 10.41 3.21 17.92 3.22 n n n n
6 n 61.01 20.01 1.41 3.01 1.71 2.21 1.61 1.01 n
5 24.81 34.72 8.51 3.51 26.29 1.01 n 0.85 0.25 n
5 12.48 48.15 11.78 5.42 10.79 4.99 0.56 2.65 2.22 n
5=
6=
L.O.I SiO2 Al2O3 Fe2O3 CaO MgO SO3 K2O Na2O Cl
8 9 10.61 1.61 65.41 13.36 n n n n n
9 6.09 75.62 7.81 4.21 2.24 1.21 n 0.31 0.22 n
8 2.58 8.19 6.23 76.21 4.67 2.73 n 0.16 0.52 n
12 n 83.53 5.55 2.71 2.23 n n n n n
11 n 33.37 9.13 0.71 34.39 9.36 0.66 0.62 n n
10 8.03 63.83 10.19 3.79 5.14 3.19 0.71 0.77 3.5 n
8=
9=
10=
11=
12=
L.O.I SiO2 Al2O3 Fe2O3 CaO MgO SO3 K2O Na2O
13 17.72 2.73 0.74 0.81 32.75 0.38 31.21 n n 12.85
13 18.31 0.42 1.41 0.81 24.75 4.02 42.19 n 0.46 n
13 19.53 2.81 0.31 N 30.52 0.71 45.43 n n n
13=
L.O.I SiO2 Al2O3 Fe2O3 CaO MgO SO3 K2O Na2O Cl
14 5.21 68.31 13.21 5.31 3.61 0.91 n 1.04 1.01 n
15 2.21 57.51 17.1 6.1 6.93 2.76 n 3.01 4.01 n
12 4.14 62.47 17.47 4.16 5.04 0.81 n 3.11 2.61 n
16 4.88 67.17 15.05 2.02 3.92 1.41 0 0.3 2.71 0.12
16 0.43 58.76 2.02 6.41 7.84 4.1 0 1. 71 3.41 0.07
16 4.61 62.85 17.36 4.29 3.21 1.21 n 0.24 0.56 N
15 0.51 47.82 15.21 8.1 12.07 7.84 4.15 n n N
=14 =15 =16 N=
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))3-4
.
((Silica((Clay((CaCO3
.
CaO,SiO2,Al2O3,Fe2O3
.
((Liquid Phase1250.
.C3S
:
C3S,C2S,C3A,C4AF..
.CaOfree
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-2-4
)
(
,,,,
...
.
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.
1
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,
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,
.
5
. .
,
)
.)
:
1-
((Alite((3CaO.SiO2
((Blite((2CaO.SiO2-2
3-
((Aluminate((3CaO. Al2O3
4-
((Ferite((4CaO.Al2O3.Fe2O3
TiO2MgONa2OK2O
)
(
.
,.
, .
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.
.
.
.
)2-4(
.
((C3S
.
Fe2O3MgO,Al2O3,TiO2
.2
.,
.
c1250
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.
Fe
2+
.
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)
(
,
.
.
)
Sintering(
.
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-))2-4
N=Na2OC=CaO
K=K2OF=Fe2O3
S=SO3A=Al2O3
S=SiO2M=MgO
T=TiO2P=P2O5
C3S2=3CaO.SiO2C3A5=3CaO.5Al2O3
C2S=2CaO.SiO2CA2=CaO.2Al2O3
C3S2=3CaO.2SiO2C2AS=2CaO.Al2O3.SiO2
C3A=3CaO.Al2O3C2F=2CaO.Fe2O3
C5A3=5CaO.3Al2O3CF=CaO.Fe2O3
C12A7=12CaO.7Al2O3C4AF=4CaO.Al2O3.Fe2O3
MA=MgO.Al2O3C6A2F=6CaO.Al2O3.Fe2O3
M2S=2Mgo.Sio2C6AF2=6CaO.Al2O3.Fe2O3
C3MS2=3CaO.MgO.2SiO2KC23S12=K2O.23CaO.12SiO2
CMS=CaO.MgO.SiO2NC8A3=Ka2O.8CaO.3Al2O3
C3T3=3CaO.2TiO2C3P=3CaO.P2O5
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((C2S
.
.
(L.S.F).
.
,
.((Modification
.
10
.
(Falling)
.
.
.
((C3A
.
,
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.NaC8A3KC8A3
-
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)
(
)
(
.
.
.
C4AF
C2AC2F.
C6A2FC4AFC6AF.
C4AF.
.
C2(AF),C2(AF)MgO
.
.
-
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:
,
,
.
.
.
,
.
5/0
3/1
,
6/0
.
3/0
C3S.K2O
MgOFreeCaO)(Na2OC3sC2S.
)
(
.
3(CaO.Al2O3). CaSO4
(2CaO. SiO2)2. CaSO4 ((Solid Solution
.
,C3S
C3S MgO.
.C3S
)2/0
3/0
(
.
)5/1
2
. (
-
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)
5/4
(
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CaO.
:
-
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1-
:
.
2-
:
C3AC3S
.
3-
)
(
((L.St III>100
4-
:
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(
CaO70/6920/6350/5940/51
SiO290/2450/3121/428/2
Al2O312/184/152/2760/19
Fe2O364/096/076/552/22
MgO89/048/085/018/3
K2O19/075/066/0-
Na2O06/019/025/0-
TiO216/024/048/060/1
P2O5-28/0--
-
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5/2
.
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(
.
MgO)
(
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3
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.
(Magnesia Expansion)
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)4-4(-
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(
(3CaO.SiO22CaO.SiO23CaO.Al2O32CaO (Al2O3.Fe2O3
C3SC2SC3AC2(AF) ,C2ApFi-p
Mg, Al ,Fe,
Fe, Al
Fe , Mg
Mg, Si
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-3-4
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.((C3A .
:
3CaO. Al2O3+ 6H2O 3CaO.Al2O3. 6H2O
3CaO. Al2O3+ Ca(OH)2+l2H2O 4CaO. Al2O3. 13H2O
,)(
C3A.
.
.
.
.
:
3CaO.Al2O3+3 (CaSO4.2H2O) +26H2O 3CaO. Al2O3. 3CaSO4. 32H2O
((Ettringite- trisulfate
8.
,
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,
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3
5
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4-4-
.
Bogue.
.
:
Bogue`s Formulas
C3S = 4.07 CaO-7.60 SiO2-6.72 Al2O3-1.43 Fe2O3-2.82 SO3
C3A =2.65 Al2O3-1.69 Fe2O3
C4AF =3.04 Fe2O3
C3A(64/0((Al2O3/Fe2O3 )
:
C3S = 4.07 CaO-7.60 SiO2-4.48 Al2O3-2.86 Fe2O3-2.85 SO3
C2S = 2.87 SiO2-0.75 C3S
C2F = 1.70 Fe2O3-2.66 Al2O3
C4AF =4.77 Fe2O3
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-5-4
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)5-4(
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((ASTM - C 150-))6-4
)
1(
)
5(
((MgO-
SO3-
8C3A-1
8>C3A-2
Loss-
Residiue
C3A-
-B=C4AF+2 C3A-
6
3
5/3
3
75/0
6
3/2
3
75/0
5
20
6/0
1212
Cm-2/g28002800
8/08/0)(
PSI
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1800
2800
-
1200
2200
3000
Vicat test-
4545-1
88-2
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B.S.12/1958,B.S.4027/1966-))7-4
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SO3-
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-))8-4
SiO2
Al2O3
Fe2O3
CaO
MgO
SO3
Loss
Insoluble ResidiueC3S
C2S
C3A
C4AF
B=C4AF+2C3A
9/21
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-))11-4
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CaO
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