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.
.
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.
1.
.
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,
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.
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.
2.
. ,
Kordina
ISO P834.
2.1 KORDINA [2] Kordina ,
.
15 - 30 800 C 900 C.
.
. ,
, 1000 C 1100 C.
.
7/22/2019 Epidrasi Pyrkagias Sto Skyrodema--Apokatastasi
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:
. . (.. ,
).
. .
1.
, 800 C 900 C
,
1000 C
1000 C 1200 C
1. [2]
.
2.2 ISO P834 [11] [1]
,
.
ISO P834 ( 1).
T T0 = 345 log (8t + 1)
T :
0 :
t :
1. ISO 834:2000 [11]
.
t (min) T T0 (C)0
5
10
15
30
60
90
120
180
240
360
0
556
658
719
822
925
986
1029
1090
1133
1194
7/22/2019 Epidrasi Pyrkagias Sto Skyrodema--Apokatastasi
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3. ,
. .
( ,
),
. .
.
.
[3] .
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DIN-4102
(1, 2, 1, 2, 3) [17] .
3.1
(1 -1305) :
,
.
, ()
, (spalling).
, ,
. (
) ,
900 C, (
)
EC2 ( 2).
2. EC2[12]
.
fc()/fc(20oC).. 0C
. /c1()/10
-3
20
100
200300
400
500600
700
800900
1000
1100
1200
1,00
0,95
0,900,85
0,75
0,600,45
0,30
0,150,08
0,04
0,01
0,00
1,00
0,97
0,940,91
0,85
0,740,60
0,43
0,270,15
0,06
0,02
0,00
2,5
3,5
4,56,0
7,5
9,512,5
14,0
14,515,0
15,0
15,0
-0
10
20
30
40
50
60
70
80
90
100
20 100 200 300 400 500 600 700 800 900 1000 1100 1200
C
%
7/22/2019 Epidrasi Pyrkagias Sto Skyrodema--Apokatastasi
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3.2
, 200C, .
,
(,
)
() .
,
500C, 2 ,
.
.
, ( 3)
[13].
400C 450
C [3].
,
( 4 , 5)
.
3. [4].
4. 5. [1]. [1].
7/22/2019 Epidrasi Pyrkagias Sto Skyrodema--Apokatastasi
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0
10
20
30
40
50
60
70
80
90
100
0 100 200 300 400 500 600 700 800
( C )
%
,
,
.
, , (
)
.
3.2
( 6).
370 C 420 C.
70%
500 C [12].
6. [1].
4. -
.
.
, .
,
, ,
, ,
.
(2006 1994 ).
4.1
4.1.1 (. . , . . , 2006) [8]
48 20 20 25cm 10 16,
7/22/2019 Epidrasi Pyrkagias Sto Skyrodema--Apokatastasi
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13:
200C 800
C
(pull-out test).
40 8 ,
max,0
= 18,14 MPa.
fct = 3,62 MPa() fcc = 34,59 MPa ().
( 4.1). ,
.
10 16
.
500C
.
4.1.2 (1994) [7] ( 11 , 1994)
(22,5 , 30 35 MPa).
(8, 10, 12) 20
mm
(20C, 150 C, 200 C, 400 C, 600 C).
. , 150C
400C.
,
,
( 7 , 8) 35 Mpa,
.
7. max - T [8]
. 8. max - T [7]
.
4.1.3 ,
. , 500 C
7/22/2019 Epidrasi Pyrkagias Sto Skyrodema--Apokatastasi
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13:
400C.
(...).
5. . .
,
,
.
5.1
,
.
600C .
,
. :
40 40 cm 11/2.
25 25 cm 1 . 20 20 cm,
.
,
25 cm [5].
5.2,
(). :
,
(),
(),
. ,
.
[5].
(
max = Mpl) ,
,
, 9.
7/22/2019 Epidrasi Pyrkagias Sto Skyrodema--Apokatastasi
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9. [5].
5.3
.
( 30 )
200
C 300
C .
,
[2].
,
, () [1].
5.4 ( 2, 3, 4 ..
71/88[14]) ,
, ,
.
,
(.)
30
min
60
min
90
min
120
min
180
min
240
min
b
c
150
20
200
25
250
30
300
35
400
35
450
35
50%
b
c
125
20
160
25
200
25
200
25
300
30
350
35
b
c
100
20
120
25
140
25
160
25
200
25
240
25 2.
[14].
(.)
30 60 90 120 180 240
) b
c
80
20
120
30
150
40
200
50
240
70
280
80) b 100 120 150 200 240 280
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13:
c 25 40 55 70 80 90
) b
c
80
20
80
20
120
35
150
50
200
60
240
70
) b
c
80
20
100
30
120
40
150
55
200
70
240
80 3.
[14].
(.)
30 60 90 120 180 240
) d
c
75
15
95
20
110
25
125
35
150
45
170
55
) dc
7520
9525
11030
12540
15055
17065
) d
c
75
15
95
20
110
20
125
25
150
35
170
45
) d
c
75
20
95
20
110
25
125
35
150
45
170
55 4.
[14].
6.
.
[2] [9].
.
, , ,
().
( ), ,
530C
.
.
, ,
,
, , ,
.
. ,
, "" ,
105C, 5%. 5%
7/22/2019 Epidrasi Pyrkagias Sto Skyrodema--Apokatastasi
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( )
(, ..)
, ' .
, .
( 300C).
PVC ,
.
.
( 1).
. . . () (). , . (
).
, .
1. [19][15][16]
.
7.
.
7.1 .
.
. , .
7/22/2019 Epidrasi Pyrkagias Sto Skyrodema--Apokatastasi
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13:
. .
.
.
7.2 ().
()
.
20 20 20. ,
.
. ()
.
. HILTI .
.
8. ,
, ,
. [6].
(FRP)
, ,
.
..
. .
. .
. .
. .
.
.
7/22/2019 Epidrasi Pyrkagias Sto Skyrodema--Apokatastasi
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(Asota AFC). , ,
250 C,
,
[18].
.
8.3
( 10) .
.
.
.
.
. ,
.
8.3.1
. ,
34%
,
,
.
.
,
.
8.3.2 , .
.
.
,
,
.
(
7/22/2019 Epidrasi Pyrkagias Sto Skyrodema--Apokatastasi
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)
,
, , .
,
.
8.3.3
.
,
.
( 13)
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( 11, 12)
.
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.
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.
(
).
.
.
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). ,
,
.
.
14
[10].
7/22/2019 Epidrasi Pyrkagias Sto Skyrodema--Apokatastasi
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11. [10]. 12. [10].
13. [10]
.
. .
(
.
.
. . .
.
/
(27.6 MPa)
4 25 8 16 -//-
10
210/50910/100
10/300
/
(27.6
MPa)
4 25 4 16 -//-
10
210/50910/100
10/300
, /
. .
&
. .
. .
1.
2.
10.
[10]
.
7/22/2019 Epidrasi Pyrkagias Sto Skyrodema--Apokatastasi
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..
13:
9.
.
, , .
.
.
.
200 C . 500 C
.
.
400 C ().
.
( 5.4 , 8).
( , ...)
.
/
(27.6 Pa)
(
)
14.
[10] .
7/22/2019 Epidrasi Pyrkagias Sto Skyrodema--Apokatastasi
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13
:
[1] . . , . , .
, . VII, 14, 23 24, , , 1984
[2] R. Rybicki, , , ,
. 130-144, . , , 1981[3] . ,
, . 19, 21-22, , 1990
[4] Fire safety in residential buildings Building performance series No 2
http://www.cwc.ca/publications/building_performance/fire_safety_res/design.php
[5] . , . , - -
, 12,
, 2006
[6] .. , /,
, 2006
[7] . , . ,
-/, 11, . 302 -312, , ,
, 18 20 1994,
[8] . . , . . ,
, 15, ,
, , 25 27 2006,
[9] . ,
, 3,
, 1997
[10] E.M. Morales, Evaluation and rehabilitation of concrete and innovations in
design, Proceedings: ACI International Conference, . 1458 1472, Hong Kong,
1991
[11] ISO P834 Fire resistance tests - Elements of building construction Part 1:
General requirements, International Organization for Standardization (ISO), 1999
[12] Eurocode 2: Design of concrete structures, Part 10: Structural Fire Design
[13] 2000,. 3.6
, , 2000
[14] - .
71/88, 14:
[15] National Research Council of Canada, irc.nrc-cnrc.gc.ca/images/fr/HSC%20
Columns%20after%20Fire%20Resistance%20Tests.JPG
[16] The Crossroads Village, http://village.crossroadsint.org/includes/repairs/107-0719_IMG.JPG?display=small
[17] S. Lehner, European fire classification of construction products, new test
method SBI, and introduction of European classification system into
German building regulations, Otto-Graf-Journal,Vol. 16, 2005,
Materialprfungsanstalt Universitt Stuttgart, http://www.mpa.uni-
stuttgart.de/publikationen/otto_graf_journal/ogj_2005/beitrag_08_lehner.pdf
[18] Asota, Anti Fire Crack/Micro Crack Preventer The latest of fibres for fibre
concrete generation, Asota, Anti Fire Cracking Systems,
http://www.asota.com/redsyspix/download/afc_englisch1.pdf
[19] 21 Century Safety Issues,
http://www.firetrain.com/images/Las%20Vegas%20City%20spalling.gif