m2464_ec5

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5 (1995-1-1)

-

-

. 407

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2/142

199512:2004()

1995 - 1 -1 : 2004

51995-2

12:

1 1 :

-

5

2:

:

:

:

O 5 (EN 1995) :

EN 1995-1-1

EN 1995-1-2

EN 1995-2

7/21/2019 m2464_ec5

3/142

199512:2004()

1995 - 1 -1 : 2004

5-

5

12:

1 1 :

-

5

2:

:

:

:

. 5

.

E12010

7/21/2019 m2464_ec5

4/142

Amendment ()

+

7/21/2019 m2464_ec5

5/142

5 11

.1 ,

.

.2

1990:2002 1991

.

( ,

,

()

,

).

.3 kmod,kdef,

(..2) kh

( )

,

,) .

.4

( )

s

.

7/21/2019 m2464_ec5

6/142

.5

5 11

, , .

.6

(,

).

.

E ,,,.

.

: ( ) ,

,

sys.

.7

.

.2.

ser

.

.8

. ,

,, (),,, ,

,

.

.9 :

( ).

(,SB,..).

7/21/2019 m2464_ec5

7/142

:

5 11

.

,

, ,

(, ,

..).

():

.

(): .

():

.

7/21/2019 m2464_ec5

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.

7/21/2019 m2464_ec5

9/142

A

. 1

1995 :

1. 1990:2002

2. 1991

3. 1998 ,

. 8

7/21/2019 m2464_ec5

10/142

regions of high seismic risk.

Smaller scale timber structures

(traditional buildings or new oneswith timber roofs and floors )

Larger scale timber structures

(buildings with long span timberframes - multi storey timber

Seism is not critical for the timber Seism is not critical for the timber

s ruc ures e. .c

,

anchorage of the roofs on the vertical load

bearing systems (masonry or brick walls, RC

frames e.t.a.) the overall stability, and the

establishment of diaphragmatic action.

,

anchorage of the buildings, the overall

stability, some times the joints, the

establishment of diaphragmatic action and

mainly for the horizontal deformations.

7/21/2019 m2464_ec5

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Smaller scale timber structures

(traditional buildings or new oneswith timber roofs and floors )

Larger scale timber structures

(buildings with long span timberframes - multi storey timber

Seism is not critical for the timber

components, but is critical for the

Seism is not critical for the timber

components, but is critical for the

s ruc ures e. .c

bearing systems (masonry or brick walls, RC

frames e.t.a.) the overall stability, and the

establishment of diaphragmatic action.

,

stability, some times the joints, the

establishment of diaphragmatic action and

mainly for the horizontal deformations.

7/21/2019 m2464_ec5

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.9

:

( ),

,

(,SB,..)

.10

:

,

, ,

(,, ..).

7/21/2019 m2464_ec5

13/142

A .

. 1

1995 :

1. 1990:2002

2. 1991

3. 1998 ,

. . 8

4. 1993 3:

(.. )

7/21/2019 m2464_ec5

14/142

1

7/21/2019 m2464_ec5

15/142

A .

. 1

1995 :

1. 1990:2002

2. 1991

3. 1998 ,

. . 8

4. 1993 3:

(.. )

7/21/2019 m2464_ec5

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(Caironi, Bonera, 1989)

.

1

7/21/2019 m2464_ec5

17/142

A

. 1

1995 :

1. 1990:2002

2. 1991

3. 1998 ,

. . 8

4. 1993 3:

(.. )

7/21/2019 m2464_ec5

18/142

1

7/21/2019 m2464_ec5

19/142

A

. 1

1995 :

1. 1990:2002

2. 1991

3. 1998 ,

. . 8

4. 1993 3:

5. ,

.

.

.

5

.

7/21/2019 m2464_ec5

20/142

1

7/21/2019 m2464_ec5

21/142

()

. 1

1

7/21/2019 m2464_ec5

22/142

. 1

A

1995 :

1. 1990:2002

2. 1991

3. 1998 ,.. .

4. 1993 3:

. .

6. s.

.

1

7/21/2019 m2464_ec5

23/142

:

. 1

(, , ) s.

5.

70 s

1

7/21/2019 m2464_ec5

24/142

338, ()

. 1

(TRADA, 2007)

1

7/21/2019 m2464_ec5

25/142

. 1

s

7/21/2019 m2464_ec5

26/142

5 5

,

s ,

,

.

.

To .

. 1

7/21/2019 m2464_ec5

27/142

. 1

7/21/2019 m2464_ec5

28/142

5 5

T

.

(Excel) .

,

.

. 1

7/21/2019 m2464_ec5

29/142

. 1

7/21/2019 m2464_ec5

30/142

5 5

O EC5

,

,

.

EC5 :

,

, ,

. . .

C5,

.

(.. )

. 1

7/21/2019 m2464_ec5

31/142

,

.. (Glued laminated timber =

)

. 1

7/21/2019 m2464_ec5

32/142

..

92

(, , , , )

E () CEN

, 844112, 5.

. 1

7/21/2019 m2464_ec5

33/142

844 1-12 (3 )

. 1

7/21/2019 m2464_ec5

34/142

-

844 1-12 ()

Round and sawn timber Terminology Part 3:

General terms relating to sawn timber 3:

3.3. Planed timber

E.M..,

(machining)

.3.4. Boule ()..

,

OK

, .

3.5. Square edged

timber

,

()

().

3.6. Wane

, ,

(face) (edge).Face = ()

Edge= () (. 5)

()

edge (.5)

3.7. Unedged

timber

??? . 3.5

().

3.8. Narrowestwidth

()

.

:

. 1

7/21/2019 m2464_ec5

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844 1-12 ()

7/21/2019 m2464_ec5

36/142

.

2

7/21/2019 m2464_ec5

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. 2

.

(

).

Sd Rd

:

Sd =

Rd = ()

2

7/21/2019 m2464_ec5

38/142

. 2

Sd Rd

Y(Sd) (. 1990:2002 1991 )

. , , , , , , ,

. M Gk,j + Ad + 2,i Qk,i

(),(. , 1990:2002)

G =, Q q = , S= , W =

G= 1.35 Q=1.5

0(q)= 0.7 (, , , , )

0 (q)= 1.0 ()

0(s)= 0.5 (1000.)

0(w)= 0.6

2(q)= 0.3 (, ), 2(q)= 0.6(, )

= , .

2(s)= 0.0(1000.)

2(w)= 0.0

2

7/21/2019 m2464_ec5

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. 2

Sd Rd

Y(Sd) (. 1990:2002 1991 )

. G, Gk, + Q,1 Qk,1 + Q,i 0,i Qk,i

7/21/2019 m2464_ec5

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. 2

7/21/2019 m2464_ec5

41/142

. 2

Sd Rd

k

:

. 2

7/21/2019 m2464_ec5

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2.3 1995-1-1.

.

(,, solid

timber):1,3

(Gluedlaminatedtimber): 1,25

k

(LVL) : 1,2

(plywood):

(riented

1,3

(Particleboards): 1,3

(Fibreboards hard): 1,3

,

(Fibreboards MDF): 1,3

(Fibreboards soft) : 1,3

: 1,3

: 1,25

1,0

. 2

7/21/2019 m2464_ec5

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5

LVL. 1 3.

(,, solid

timber):1,3


OLVL

(),

.

(LVL) : 1,2

(plywood):

(riented

1,3

(Particleboards): 1,3

(Fibreboards hard): 1,3

,

(Fibreboards MDF): 1,3

, ,

(Fibreboards soft) : 1,3

: 1,3

, , . , , . : 1,25

1,0

7/21/2019 m2464_ec5

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.3

.

. 2 , . 3

7/21/2019 m2464_ec5

45/142

Sd Rd

k

. 2 , . 3

7/21/2019 m2464_ec5

46/142

Sd Rd

d k

Sd kmodk

:

Rk

kmod

.

. 2 , . 3

7/21/2019 m2464_ec5

47/142

mo

:

1. Sd kmod

k

.

(.. ).

, ().

. 2 , . 3

7/21/2019 m2464_ec5

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(. 1995-1-1, 2.1, 2.2)

K

10

()

1 6

,

(..)

:

,

.

. 2 , . 3

7/21/2019 m2464_ec5

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(. 1995-1-1, 2.1, 2.2)

10

6 10

()

1 6

1

,

(..)

.

Cost E55

. 2 , . 3

7/21/2019 m2464_ec5

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kmod(. 1995-1-1, 2.4.1,3.1, Amendment,EN 1995-1-1:2004/A - June 2008))

(,)

-

-

-

-

1408-1-1

14080

1

2

0,60

0,60

0,70

0,70

0,80

0,80

0,90

0,90

1,10

1,10

(LVL)

(-,

l wood

EN 14374, EN 14279

636

636-1

636-2

, , , , ,

636-3

(riented StrandBoards - OSB)

EN 300

OSB/2

OSB/3, OSB/4

OSB/3, OSB/4

1

1

2

0,30

0,40

0,30

0,45

0,50

0,40

0,65

0,70

0,55

0,85

0,90

0,70

1,10

1,10

0,90

(particleboards)

312

P4, P5

P5

P6, P7

P7

1

2

1

2

0,30

0,20

0,40

0,30

0,45

0,30

0,50

0,40

0,65

0,45

0,70

0,55

0,85

0,60

0,90

0,70

1,10

0,80

1,10

0,90

(Fibreboards, hard

hardboard)

-HB.LA, HB.HLA1 2

HB.HLA1 2

1

2

0,30

0,20

0,45

0,30

0,65

0,45

0,85

0,60

1,10

0,80

(Fibreboards, medium

622-3

MBH.LA1 2

.LS1 2

1

1

0,20

0,20

-

0,40

0,40

-

0,60

0,60

-

0,80

0,80

1,10

1,10

. - - - , ,

(Fibreboards, MDF)

EN 622-5

MDF.LA, MDF.HLS

MDF.HLS

1

2

0,20

-

0,40

-

0,60

-

0,80

0,45

1,10

0,80

. 2

7/21/2019 m2464_ec5

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Omo

:

Sd kmodk

o(...)

(kmod)

(kdef)

, ,

... > 20%

. 2 , . 3

7/21/2019 m2464_ec5

52/142

Sd kmodk

(...%)

= x 100

B

. 2 , . 3

7/21/2019 m2464_ec5

53/142

EC5 "

.

kmod .

. 2 , . 3

7/21/2019 m2464_ec5

54/142

kmod(. 1995-1-1, 2.4.1,3.1, Ammendment,EN 1995-1-1:2004/A - June 2008))

-

-

-

-

1408-1-1

1408012

0,600,60

0,700,70

0,800,80

0,900,90

1,101,10

(, )

(LVL)

(-,

plywood)

EN 14374, EN 14279

636636-1

636-2

, , , , ,

636-3


EN 300OSB/2

OSB/3, OSB/4

OSB/3, OSB/4

1

1

2

0,30

0,40

0,30

0,45

0,50

0,40

0,65

0,70

0,55

0,85

0,90

0,70

1,10

1,10

0,90

(particleboards)

312

P4, P5P5

P6, P7P7

12

12

0,300,20

0,400,30

0,450,30

0,500,40

0,650,45

0,700,55

0,850,60

0,900,70

1,100,80

1,100,90

-(Fibreboards hard

hardboard)

-HB.LA, HB.HLA1 2

HB.HLA1 2

1

2

0,30

0,20

0,45

0,30

0,65

0,45

0,85

0,60

1,10

0,80

(Fibreboards mediummediumboard)

622-3

MBH.LA1 2

.LS1 2.LS1 2

1

12

0,20

0,20-

0,40

0,40-

0,60

0,60-

0,80

0,800,45

1,10

1,100,80

(Fibreboards MDF)

EN 622-5MDF.LA, MDF.HLS

MDF.HLS

1

2

0,20

-

0,40

-

0,60

-

0,80

0,45

1,10

0,80

. 2 , . 3

7/21/2019 m2464_ec5

55/142

EC5

.

kmod .

(. 1995-1-1, 2.3.1.3)

1 20C, >65%

.

2 20C, >85%

....

3

...

2

. 2 , . 3

7/21/2019 m2464_ec5

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.

,

.

.

.

. 2 , . 3

7/21/2019 m2464_ec5

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. (...

7/21/2019 m2464_ec5

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(. 1995-1-1, 2.3.1.3 )

. . .

1 20C, >65%

.

...

, ,

.

93%.

2 20C, >85%

.

... =

(123)%

... =

,

.

,

(.. ), ,

.

3

...

...

>19%.

(..

:

. , 1 2, ,

... > 19% 3.

2. ).

. 2 , . 3

7/21/2019 m2464_ec5

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(3)

. 2 , . 3

7/21/2019 m2464_ec5

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(3)

. 2 , . 3

7/21/2019 m2464_ec5

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2 ,

3

2

2

7/21/2019 m2464_ec5

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. 2 , . 3

7/21/2019 m2464_ec5

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(

(1)

. 2 , . 3

7/21/2019 m2464_ec5

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-

-

-

-

1408-1-1

1408012

0,600,60

0,700,70

0,800,80

0,900,90

1,101,10

kmod,

, LVL

-

(LVL)

(-,

plywood)

EN 14374, EN 14279

636636-1

636-2

, , , , ,

.

636-3


EN 300OSB/2

OSB/3, OSB/4

OSB/3, OSB/4

1

1

2

0,30

0,40

0,30

0,45

0,50

0,40

0,65

0,70

0,55

0,85

0,90

0,70

1,10

1,10

0,90

(particleboards)

312

P4, P5P5

P6, P7P7

12

12

0,300,20

0,400,30

0,450,30

0,500,40

0,650,45

0,700,55

0,850,60

0,900,70

1,100,80

1,100,90

-(Fibreboards hard

hardboard)

-HB.LA, HB.HLA1 2

HB.HLA1 2

1

2

0,30

0,20

0,45

0,30

0,65

0,45

0,85

0,60

1,10

0,80


622-3

MBH.LA1 2

.LS1 2.LS1 2

1

12

0,20

0,20-

0,40

0,40-

0,60

0,60-

0,80

0,800,45

1,10

1,100,80

(Fibreboards MDF)


MDF.HLS

1

2

0,20

-

0,40

-

0,60

-

0,80

0,45

1,10

0,80

k

. 2 , . 3

7/21/2019 m2464_ec5

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-

-

-

-

1408-1-1

1408012

0,600,60

0,700,70

0,800,80

0,900,90

1,101,10

()

40% -

(LVL)

(-,

plywood)

EN 14374, EN 14279

636636-1

636-2

, , , , ,

50%)

().

636-3


EN 300OSB/2

OSB/3, OSB/4

OSB/3, OSB/4

1

1

2

0,30

0,40

0,30

0,45

0,50

0,40

0,65

0,70

0,55

0,85

0,90

0,70

1,10

1,10

0,90

(particleboards)

312

P4, P5P5

P6, P7P7

12

12

0,300,20

0,400,30

0,450,30

0,500,40

0,650,45

0,700,55

0,850,60

0,900,70

1,100,80

1,100,90

-(Fibreboards hard

hardboard)

-HB.LA, HB.HLA1 2

HB.HLA1 2

1

2

0,30

0,20

0,45

0,30

0,65

0,45

0,85

0,60

1,10

0,80


622-3

MBH.LA1 2

.LS1 2.LS1 2

1

12

0,20

0,20-

0,40

0,40-

0,60

0,60-

0,80

0,800,45

1,10

1,100,80

(Fibreboards MDF)


MDF.HLS

1

2

0,20

-

0,40

-

0,60

-

0,80

0,45

1,10

0,80

k

. 2 , . 3

7/21/2019 m2464_ec5

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-

-

-

-

1408-1-1

1408012

0,600,60

0,700,70

0,800,80

0,900,90

1,101,10

()

(LVL)

(-,

plywood)

EN 14374, EN 14279

636636-1

636-2

, , , , ,

636-3


EN 300OSB/2

OSB/3, OSB/4

OSB/3, OSB/4

1

1

2

0,30

0,40

0,30

0,45

0,50

0,40

0,65

0,70

0,55

0,85

0,90

0,70

1,10

1,10

0,90

(particleboards)

312

P4, P5P5

P6, P7P7

12

12

0,300,20

0,400,30

0,450,30

0,500,40

0,650,45

0,700,55

0,850,60

0,900,70

1,100,80

1,100,90

-

-

()

(

).

(Fibreboards hard

hardboard)

-HB.LA, HB.HLA1 2

HB.HLA1 2

1

2

0,30

0,20

0,45

0,30

0,65

0,45

0,85

0,60

1,10

0,80


622-3

MBH.LA1 2

.LS1 2.LS1 2

1

12

0,20

0,20-

0,40

0,40-

0,60

0,60-

0,80

0,800,45

1,10

1,100,80

,

.

(Fibreboards MDF)


MDF.HLS

1

2

0,20

-

0,40

-

0,60

-

0,80

0,45

1,10

0,80

. 2 , . 3

7/21/2019 m2464_ec5

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!!!

,

kmod

.

.. (1.35G+1.5S) ()

(), kmod.

,

kmod.

. 2 , . 3

7/21/2019 m2464_ec5

68/142

;;;

l = 8,1m

yd modk

M yd / kmod

1,0

. 2 , . 3

7/21/2019 m2464_ec5

69/142

,..

1.35G

kmod =0.60

1.35G+1.5Skmod =0.90.

Myd/kmod

1,3

. 2 , . 3

7/21/2019 m2464_ec5

70/142

Sd Rd

k

Sd kmodk

:

Rk

mo

.

. 2, 3, 6 : , ,

7/21/2019 m2464_ec5

71/142

Sd Rd

k

:

Sd kmod k

k

kmod

.

:

- kh = ,

- ks s =

. 3

kh =(. )

7/21/2019 m2464_ec5

72/142

Sd kmod k k

,

.

k

k

,

.

, .

kh

1995-1-1, 3.2

//

,

. :

k 700 kg/m3,h< 150 mm.

=

=150

min

2,0

hkhfm,kft,0,k

.

kh . :

3,1

10,

1995-1-1, 3.3

,

fm,kft,0,k

.

h (mm) =

.

=

11,

min hkh

h

(LVL)

1995-1-1, 3.4

, m,k .h= mm,

s= .

14374.

=

21

300

,

min

s

h hk

h

(LVL)

1995-1-1, 3.4

, ft,0,k

.

l=mm,s= .

14374.

=

1,1

3000

min

s

l lk

. 3

7/21/2019 m2464_ec5

73/142

Sd kmod k k

k

(ksys) (1995-1-1, 6.6).

10%

(ksys = 1,1).

X(4) (.. ,

, ),

.

. 3

7/21/2019 m2464_ec5

74/142

Sd kmod k k

k

(ksys) (1995-1-1, 6.6).

10%. (ksys = 1,1) :

4 ., . .

)

( ,

, -, ..).

1,2 m.

, ,

- ,, OSB..),

,

,

.

. 3

7/21/2019 m2464_ec5

75/142

(, , ),

s

.

(,, solid 1,3

5

timber):


(LVL) : 1,2

. : p ywoo ,

(riented

StrandBoards SB):

,

(particleboards): 1,3

(Fibreboards,hard): 1,3

(Fibreboards,medium): 1,3

, . s

(Fibreboards,MDF): 1,3

(Fibreboards,soft): 1,3

. 3

7/21/2019 m2464_ec5

76/142

(solid timber)

:

(softwood). , ,

, , , (Douglas

r , p c p ne .

(hardwood). , ,

: , , , , ,

, , , .

: .

(Douglasfir) ,

.

,

.

.

. 3 .

7/21/2019 m2464_ec5

77/142

,

(wood based products)

(o)

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. 3

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79/142

(STEP 1, 1995)

LaminatedveneerLumber

. 3

7/21/2019 m2464_ec5

80/142

E

, (plywood)

(P, 1998)

.

. 3

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81/142

,

-

.

. 3

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82/142

E

7/21/2019 m2464_ec5

83/142

,

7/21/2019 m2464_ec5

84/142

5 5

,

,

, ,

.

.

.

. 3

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.

(, , ,

) .

.

,

(, .)

,

.

.

:

. 3

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:

(,

(,

,

, ,

.

,

.

. . . ,

.

.

(STEP 1, 1995)

(!)

. 3

7/21/2019 m2464_ec5

87/142

7/21/2019 m2464_ec5

88/142

D (deciduous=) C (coniferous=)

. 3

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D (deciduous=), C (coniferous=)

.. .

(TRADA, 2007)

. 3

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90/142

(homogenous)

.

com ne

, .

.

7/21/2019 m2464_ec5

91/142

.

. 6

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(. 1995-1-1, 6.1, 6.2, 6.3)

(. 1995-1-1, 6.1, 6.2, 6.3)

-

7/21/2019 m2464_ec5

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.

. 6

7/21/2019 m2464_ec5

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.

.

(. 1995-1-1, 6.1, 6.2, 6.3)

-

. 6

(EN 1995 1 1 6 4)

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(EN 1995-1-1, 6.4)

.

Manual, Canadian

wood construction

. 6

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(. 1995-1-1, 6.1, 6.2, 6.3)

. 6

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. 6

( 1995-1-1 6 1 2)

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(1995 1 1, 6.1.2)

() .

//

-

(338) C24 b 8,0 cm

mean k /m3 420 h 14 0 cm

fm,k N/mm2 24 A 112 cm2

ft,0,k N/mm2 14 Wy 261 cm3

ft,90,k N/mm2 0,5 Iy 1829 cm4

fc,0,k N/mm2 21 Wz 149 cm3

c90k N/mm2 2 5 Iz 597 cm4, ,

fv,k N/mm2 2,5 iz 2,3 cm

E0,mean N/mm2 11000 iy 4,0 cm

Gmean N/mm2 690

E0,05 N/mm2 7400

b 8 0 cmo

'

h' h

h' 12,0 cm

A' 96 cm2

,

. 6

( 1995-1-1 6 1 3)

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(1995 1 1, 6.1.3)

5 .

.

, ,

(

. 6

~0,5/mm2

13/ 2 22/ 2

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100/142

~13/mm2 ~22/mm2.

. 6

(. . )

7/21/2019 m2464_ec5

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. 6

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, ,

. 6

(1995-1-1, 6.1.5)

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( , )

,

.

' .

, .

C5

. ,

kc,90.

1 < kc,90 < 1.75 (. Amendment)Piazza at all, 2009

. 6

(1995-1-1, 6.1.5)

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kc,90

5.

4 (!)

.

amendment (

.

1. (..

).

).

(A)

. 6

(1995-1-1, 6.1.5)

7/21/2019 m2464_ec5

105/142

( , )

. 6

(1995-1-1, 6.1.5)

7/21/2019 m2464_ec5

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h

a l= 100 mm

2.

. 6

1. //

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, : rel,z 0,3 rel,y 0,3

1.

. 6

1. //

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d

L

b*L Nd

. 6

(1995-1-1, 6.2.2)

7/21/2019 m2464_ec5

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.

. 6

(1995-1-1, 6.2.2)

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, . , .

. 6

2. // ()

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: rel,z>0,3 rel,y>0,3

zelton, Baird, 2004

. 6

// ()

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, ,: rel,z > 0,3 rel,y > 0,3,

.

(...).

. 6

(1995-1-1, 6.1.6)

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, (LVL):

: km =0,7: km =1,0

: km =1, 0

. 6

y z

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km = 0

. 6

y z (

7/21/2019 m2464_ec5

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, rel,m > 0,75)

. 6

y z (

7/21/2019 m2464_ec5

116/142

Caironi, Bonera, 1989

. 6

y z

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kcrit .

:

(GItor)

z

lef:

-

-

lef


. 6

y z (

7/21/2019 m2464_ec5

118/142

()


. 6

y z (

7/21/2019 m2464_ec5

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.

Kcrit = 1

= lef


. 6

y z (

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120/142


. 6

y

7/21/2019 m2464_ec5

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. 6

y

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,

x kcrit

,

. 6

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x kcy

x kcrit

kc,z

. 6

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2

2

= 2 .

. 6

7/21/2019 m2464_ec5

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2

(plywood) ,

.

.

. 6

()

7/21/2019 m2464_ec5

126/142

G. Tampone, 2007

lv

. 6

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. 6

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, ,

(hef)

(. kv)

.

(Piazza at al., 2009)

kv ,

.

. 6

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1.

i=0 ()

2.

kv

= 1,0.Piazza at al., 2009

. 6

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.

7/21/2019 m2464_ec5

131/142

.

. 7

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( uinst

).

(ucreep).

, , . , . ser

(EC6 ). .

. 7

:

( ( ) G

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( (u inst). mean, Gmean

(ucreep).

() u net,fin = u inst + u creep - uc = ufin - uc

. 7

:

inst . mean, mean

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(ucreep).

() u fin = u inst + u creep = unet,fin

. 7

:

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(ucreep

). kdef

=u fin = u inst + u creep

,creep

u Q,creep = 2 kdefuinst ()

. 7

u G cree = kdefuinst ( kdef

(. 1 995-1-1 , 3.2, Ammendment,EN 1995-1-1:2004/A - June 2008)

)

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)

u Q1,creep = 2 kdefuinst (

1 2 3 (solid timber)

E (glued laminated

EN 1408-1-1

EN 14080

5

t m er

(laminated veneer lumber - LVL)

EN 1 4374, EN 14279

,

,

,

-

, (plywood)

EN 636636-1 0,80

-

-

kdef

636-2

636-30,80

0,80

1,00

1,00

-

2,50

(riented Strand

Boards - OS B)

300

OSB/2

OSB/3, OS B/4

2,25

1,50

-

2,25

-

-

.

(particleboards) 312P4

P5

P6P7

2,25

2,25

1,501,50

-

3,00

-2,25

-

-

--

-

(60% 1

200%

(Fibreboards hard hardboards)

-

HB.LA,HB.HLA1, HB.HLA2

2,252,25

-3,00

--

(Fibreboards medium mediumboards)

622-3

MBH.LA, MBH.LA 2 .LS1, .LS2

3,003,00

-4,00

--

3).

(Fibreboards MDF)

EN 622-5

MDF.LA,MDF.HLS

2,252,25

-3,00

--

. 7

kdef

(. 1 995-1-1 , 3.2, Ammendment,EN 1995-1-1:2004/A - June 2008)

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1 2 3 (solid timber)

E (glued laminated

EN 1408-1-1

EN 14080

t m er

(laminated veneer lumber - LVL)

EN 1 4374, EN 14279

,

,

,

-

, (plywood)

EN 636636-1 0,80

-

- 636-2

636-30,80

0,80

1,00

1,00

-

2,50

(riented Strand

Boards - OS B)

300

OSB/2

OSB/3, OS B/4

2,25

1,50

-

2,25

-

-

(particleboards) 312P4

P5

P6P7

2,25

2,25

1,501,50

-

3,00

-2,25

-

-

--

-

(... ~30%)

, kdef

(Fibreboards hard hardboards)

-

HB.LA,HB.HLA1, HB.HLA2

2,252,25

-3,00

--

(Fibreboards medium mediumboards)

622-3

MBH.LA, MBH.LA 2 .LS1, .LS2

3,003,00

-4,00

--

.

1,0.

(Fibreboards MDF)

EN 622-5

MDF.LA,MDF.HLS

2,252,25

-3,00

--

. 7

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. 7

1. u fi = u t fi

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5 (1995-1-1, 2.2.3 (2),

u fin unet,fin

, ,

()

1990.

(. 1995-1-1, 7.2).

uinst

unet,fin

l/300 l/250

Gkj + Qk,1 + 0,i Qk,i (EN 1990 (6.14b))

l/150 l/125inst inst,Gj inst,Q,1 0,i inst,Q,k,i

(),

uinst,Q = uinst,Q,1 +0,i uinst,Q,k,i < l /300 ()

. 7

2.

u fi = u t fi

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u fin unet,fin

5 (1995-1-1, 2.2.3 (3),

, ufin, 1990.

(. 1995, 1-1, 7.2).

uinst

unet,fin

Gkj + 2,i Qk,i

l/300 l/250

:

ufin = u + u + u

l/150 l/125

= uinst,G (1+kdef) + uinst,Q1 (1+2,1 kdef) + uinst,Qi ( 0,i + 2,i kdef ) < l /250

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:

.

(.

).

.

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m2464_ec5

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