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hidratacija na cement
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1
` ().
` .
2
` ` (510)
+
` ()
3
` :` :` ,` ()
` ` ` ,( C-S-H)(C-S-H)
`
` 4
` ` :
` ()
` `
5
` ` ()
` 1 C A` 1.C3A
6
` 1 C3A` 1.C3A` C A 8 10C3A.810
.
.
`
7
` 1 C3A` 1.C3A
C3A C3A
8
` 2 C3S C2S` 2.C3S C2S
` C3S C2S.
` .
9
` 2 C3S C2S` 2.C3S C2S
` 24,,.
` ` . .
10
` :)24,)3,)28
11
` ` :,:
` I( )(),
` II()
` III ` III .
12
) ) ) )) ) ) )
),),)),)
13
14
` ` , ,.
` 107.
` ` .
15
` ` .
`
` mw/mc
` m /m 0 38 0 42` mw/mc =0,380,42
16
` mw/mc =0,380,42
` mw/mc =0,40,60%( 2 %(24%
)40%.
` ,25% ..
17
100 g
g=3 1 g/cm3mv/mc =0,4
40 g
g=1 0 g/cm3g=3,1 g/cm
32 cm3 45%
g=1,0 g/cm3
40 cm3 55% + 60%
32 cm3 16 cm3 40%
24 cm3
( )
( )
6 cm3 voda
32 cm3
18 cm3 6 cm3 8%
10-7mm 16 cm3 22%
( )
22 cm3 30%
50 cm3 70%
22 cm3 30%
mv/mc >0,4 + 10-3 mm
19
` h` h
` h=
h
` h=01
` h= 0 ` h 0 ` h=1
20
` :` :
`
` C3A++ H20 ` C3A++H20
` ,.
21
` ,
.
46.
22
` `
23
` :` :
` C3S C3A ` C3S C3A ,C3A .
` C2S C4AF
C2S.` .
24
(h)
25
26
` Ca(OH2):` Ca(OH2):
` ` .: ,,,,. .
27
` Ca(OH2):` Ca(OH2):
28
C S H C-S-H
29
` `
C-S-H
30
EN206EN206
K
[%] [%]CEM I CEM I 95 100 0 5CEM I
CEM I 95-100 0-5
31
EN206EN206
K
S
[%] [%]
CEM II CEM II/A-S 80-94 6-20 0-5
CEM II/B-S 65-79 21-35 0-5
32
EN206EN206
K
D
[%] [%]
CEM II
CEM II/A-D 90-94 6-10 0-5
33
EN206EN206
K
P
[%] [%]
CEM II
CEM II/A-P 80-94 6-20 0-5
CEM II/B-P 65-79 21-35 0-5
34
EN206EN206
K
Q
K Q
[%] [%]
CEM II CEM II/A-Q 80-94 6-20 0-5CEM II
CEM II/A-Q 80-94 6-20 0-5
CEM II/B-Q 65-79 21-35 0-5
35
EN206EN206
K
V
K V
[%] [%]
CEM II CEM II/A-V 80-94 6-20 0-5CEM II
CEM II/A-V 80-94 6-20 0-5
CEM II/B-V 65-79 21-35 0-5
36
EN206EN206
KW
[%] [%][ ] [ ]
CEM II
CEM II/A-W 80-94 6-20 0-5
CEM II/B-W 65-79 21-35 0-5
37
EN206EN206
K
T
[%] [%]
CEM II
CEM II/A-T 80-94 6-20 0-5
CEM II/B-T 65-79 21-35 0-5
38
EN206EN206
K
L
[%] [%]
CEM II
CEM II/A-L 80-94 6-20 0-5
CEM II/B-L 65-79 21-35 0-5
39
EN206EN206
K
LL
[%] [%]
CEM II
CEM II/A-LL 80-94 6-20 0-5
CEM II/B-LL 65-79 21-35 0-5
40
EN206EN206
K
,..,
,
.,,
[%] [%]
CEM II CEM II/A M 80 94 6 20 0 5CEM II
CEM II/A-M 80-94 6-20 0-5
CEM II/B-M 65-79 21-35 0-5
41
EN206EN206
K
[%] [%]
CEM III CEM III/A 35-64 36-65 0-5CEM III
CEM III/A 35 64 36 65 0 5
CEM III/B 20-34 66-80 0-5
CEM III/C 5-19 81-95 0-5
42
EN206EN206
K
.,,
.
[%] [%]
CEM IV CEM IV/A 65-89 11-35 0-5CEM IV
CEM IV/A 65 89 11 35 0 5
CEM IV/B 45-64 36-55 0-5
43
EN206EN206
K
,.
[%] [%]
CEM V CEM V/A 40-64 18-30 18-30 0-5CEM V
CEM V/A 40 64 18 30 18 30 0 5
CEM V/B 20-38 31-50 31-50 0-5
44
EN206-EN206
[MPa]
2 7 28
32 5N / 16 0 32 5 52 532.5N / 16.0 32.5 52.532.5R 10.0 /42.5N 10.0 / 42.5 62.542.5R 20.0 /52.5N 20.0 / 52.5 /
52 5R 30 0 /52.5R 30.0 /
45
EN206-EN206` :` :
` N
` R
46