”¹±¼Œ†‰ƒ· ±¹...

download ”¹±¼Œ†‰ƒ· ±¹ »µ€„¼­µ¹µ‚ Œ€»¹ƒ·‚ ´¼¹½ ƒ„¹‡µ¯‰½

of 76

  • date post

    29-Jul-2015
  • Category

    Documents

  • view

    255
  • download

    4

Embed Size (px)

Transcript of ”¹±¼Œ†‰ƒ· ±¹...

-

...

MSc

: 54124, ..:482, .: (2310) 995817, Fax: (2310) 995614, email: panagop@civil.auth.gr

86 & , 14561 , ..: 51020 .: 210 6283400, Fax: 210 8015614, email: info@halyvourgia.gr

:

2000. 5, 17 18 . , , . ( ) . . .

2006

. ...

i

, 2000, . 2000, .

ii

.......................................................................................... i .......................................................................................... ii .................................................................................. iii

1

[ 3.1] ................................................ 1 1.1 1.2 ............................................................ 1 .............................................................. 2

2

[ 5, 17]...................... 3 2.1 2.2 [ 17.2.3] .................................. 3 [ 5.1] .......................................... 4 ......................................................................... 4 (..).......................... 4 (cmin)........................................ 5 (cnom) ................................... 5 [ 15.6] ............ 6

2.2.1 2.2.2 2.2.3 2.2.4 2.2.5 2.3 2.4

[ 17.4] .................... 7 [ 17.5] ................ 9 ........................................................................... 9 ............... 9 ............ 10 ........................................................ 11 ............................................. 11

2.4.1 2.4.2 2.4.3 2.4.4 2.4.5 2.5

[ 17.6] ...................................................... 12 [ 17.6.1] ..................................... 12 (b) [17.6.2] ............................... 13 (b,net) [ 17.6.3] ........... 14 [ 18.3.5, 18.4.6] ..................................................... 15

2.5.1 2.5.2 2.5.3 2.5.4 2.6

[ 17.7] ............................................. 26 ................................................................. 26 iii

2.6.1

2.6.2 2.6.3 2.6.4 2.7

................................................... 26 [ 18.4.7]........................... 29 ....................................... 30

[ 11.2.4, 17.8] .............................................................. 32 ........................ 32 [ 17.8.3] 33 [ 17.8.4] .................. 34 [ 17.8.5] .............. 35

2.7.1 2.7.2 2.7.3 2.7.4 2.8

[ 17.9] ........................ 36 [ 17.9.1] ............... 36 [ 17.9.2, 3, 4]..................... 36

2.8.1 2.8.2 2.9 2.10

[E 17,11] ................................................................................. 37 [ 17.12] .............................................. 39

3

...................... 40 3.1 3.2 [ 5.2] ........................................... 40 [ 18.1, 18.2] .................................................... 41 ................................................................ 41 ............................................................ 42 [ 18.2] ........ 45

3.2.1 3.2.2 3.2.3 3.3

................................................................................. 46 - [ 18.3.1, 3] .................... 46 [ 18.3.2] ..................................... 47 () [ 18.3.4] ................ 49 [ 18.3.7] ...................................... 50 .................... 50 () [ 15.3] ............ 50 ............................. 51

3.3.1 3.3.2 3.3.3 3.3.4 3.3.5 3.3.6 3.3.7 3.4

................................................................... 53 [ 18.4.2, 5] ................................ 53 [ 18.4.3] ..................................... 54 iv

3.4.1 3.4.2

3.4.3 3.4.4 3.4.5 3.4.6 3.4.7 3.4.8 3.5

(, ) [ 18.4.4] .. 55 [ 18.4.4.2] ..... 55 [ 18.4.8] ........... 57 [ 18.4.9].................................. 57 [ 18.4.6] ................... 58 [ 18.4.7]........................... 58

......................................................................... 59 [ 18.5.1, 2 / .1.4] ........................................................................... 59 [ 18.5.3, 5, 6, 7] ...................... 60 [ 18.5.4].......................... 61 [ 18.5.8] .............................. 62 [ 18.5.8] ....... 62

3.5.1 3.5.2 3.5.3 3.5.4 3.5.5 3.6

................... 64 [ 18.6.1] .................. 64 [ 18.6.2] .......................................................................... 65 [ 18.6.3, 5.2.4.2].................... 65 [ 18.6.4]............................................... 66

3.6.1 3.6.2 3.6.3 3.6.4

................................................................................ 67

v

1.

1

[ 3.1]

1.1

( 1421-1) (mm): 6, 8, 10, 12, 14, 16, 18, 20, 22, 25, 28, 32, 40, 50 : =

() : = ( )

: 7.85gr/cm3

-

S220: S400/500, S400s/500s, 500C:

-

S220, S400/500: ( 959) S400s/500s, 500C: ( 971, 1421-3)

-

: . () : . . () 1.1. 500C: 1421-3 EN10080 .

-

1

1.

1.2

1.1 [ .3.1] 90% V uk (ft/fy)k (fy,act/fy,nom)k (....) 7.00% 1.10 1.35 1.30 B500C >5.00% >1.08 H (....) >5.00% >1.08 H >2.50% >1.05 H

, : , V :

(-) [ 10.4.4]

s

fyk

Es=200GPa

fyd=arctgEs

f yk s

-0.0035

-y y +0.02 s

-fyk -fyd= s

-fyk 1.1 (-)

2

2.

2

[ 5, 17]

2.1 [ 17.2.3]

-

: (. 2.1: ) : (. 2.1: )

(D) 2.1 D [ . 17.1]/ 1 2 / (mm) 100mm >50mm 50mm S220 S400, S500

, 2.5 5.0 >7.0 >3.0 3.0 4.0 7.0 S220 10 10 15 S400, S500 10 15 20

1 2(1)

3(1)

-

>4: 2.1 D20 ( )

(1)

D 50%

3

2.

2.2 [ 5.1] 2.2.1

-

: cmin (): cnom=cmin+(510)mm : ( ).

2.1 2.2.2 (..)

2.2 1 ( 1km).

2 3 4

4

2.

2.2.3 (cmin)

2.3 cmin ( mm) [ . 5.1] cmin 1 20 2 25 3 30 4(1) 3045 -5 +5 +10

+10mm (.. 1, 2) cmin15mm +20mm (.. 3, 4) ( : n= n )

>32mm cmin30mm: cmin = cmin+5mm : : cmin=75mm cmin=40mm

: cmin=40mm :

2.2.4 (cnom)

2.4 cnom (mm) , (..) 1 20 25 2 25 30 3 30 35 4 3045 3550

:

cnom ( ).

(1)

: 30,35,40 45mm.

5

2.

2.2.5 [ 15.6]

cmin>50mm : : :

(cnom>55 60mm)

: As,surf0.01Act,ext

2.2 : cmin=50mm cnom=55mm

> #10 /150 !!! As,surf5.5cm /m > #8 /100 2

E.C.2 -

As,surf0.01Act,ext, , L>32 n>32mm As,surf0.005Act,ext, , cnom>70mm As,surf As,surf , .

6

2.

2.3 [ 17.4]

-

2.3

:-

[ 17.7, 2.6 ] [ 17.12, 2.10 ]

7

2.

2.5 (L) L (mm) 12 .. 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 150 3 (3) 2 3 2 2 (3) 2 2 2 2 2 2 2 2 2 2 200 250 300 (5) 6 8 4 6 (8) 4 (6) 7 4 6 7 4 (6) 7 (4) 5 7 4 5 7 4 5 (7) 3 5 6 4 5 (7) 3 5 6 3 (5) 6 3 5 6 3 (5) 6 3 4 (6) 3 4 5 3 4 5 (3) 4 5 (3) (4) (5) (3) (4) (5) 2 3 4 2 3 4 2 3 4 2 3 (4) 2 (3) 3 2 (3) 3 2 3 (mm) 350 400 450 (10) 11 (13) 9 (11) (13) (9) (11) 12 (9) (11) (12) (9) 10 (12) 8 (10) 11 8 (10) 11 8 (10) (11) (8) 9 (11) 8 9 (11) (8) 9 10 7 (9) 10 7 (9) 10 7 (9) (10) 7 8 9 (7) (8) 9 (7) (8) 9 6 7 8 (6) (7) (8) (5) (7) (8) 5 6 7 5 6 7 5 6 7 (5) (6) 6 4 5 6 4 5 6 4 (5) (6) 500 (15) (14) (14) (14) 13 (13) (13) (13) 12 (12) (12) (12) 11 11 (11) 10 10 (10) (9) (9) 8 (8) (8) 7 (7) (7) 6CL,nom (mm) Cw,nom+w (mm)

14

16

18

20

22

25

28

32

27 27 37 29 29 39 31 31 41 33 33 43 35 35 45 37 37 47 40 40 50 43 43 53 47 47 57

33 38 43 33 38 43 33 38 43 33 38 43 33 38 43 33 38 43 33 38 43 33 38 43 33 38 43

5.1 17.4 w=8mm ( : 0.9hhh) (..): (1) , (2) , (3) (cL,max):

cw,nom + w cL,max= max cL,nom = L + (10 20mm) + 5mm ( ) L 20mm : L20: n=(bw+202cL,max)/(L+20) L>20: n=(bw+ L2cL,max)/(2L)

8

2.

2.4 [ 17.5] 2.4.1

: = + + -

: ( ) : : ( )*( ) : p

: b=c+p

2.4 (fb): ()2.4.2

: b,m =

Ns

=b

s 4 b

2.5 9

2.

2.6 2.4.3 -

()

-

2.7

(MPa) 1 0.3 2.0 2 0.7 4.0 3 1.0 4.8 4 3.5 8.8

2.8

10

2.

2.4.4

:

(.. )

: (.. )

2.9 20002.4.5

2.6 fbd (MPa). C12 0.83 1.65 0.58 1.16 C16 0.96 1.95 0.67 1.37 C20 1.07 2.25 0.75 1.58 C25 1.20 2.70 0.84 1.89 C30 1.31 3.00 0.92 2.10 C35 1.42 3.30 0.99 2.31 C40 1.52 3.75 1.06 2.63 C4