Rothoblaas Catalogue 2019

TECHNICAL ASPECTS

STATIC VALUES - WASHERS PULL-THROUGH RESISTANCE

CHARACTERISTIC VALUES

Ø [mm]

standard

Ø int [mm] Ø ext [mm]

s [mm]

N ax,k [kN]

1,84 5,02 6,58

DIN 125 A DIN 9021 DIN 440 R DIN 1052 DIN 125 A DIN 9021 DIN 440 R DIN 1052 DIN 125 A DIN 9021 DIN 440 R DIN 1052

10,5 10,5

20,0 30,0 34,0 24,0 37,0 44,0 58,0 30,0 50,0 56,0 68,0 -

2,0 2,5 3,0 2,5 3,0 4,0 6,0 3,0 3,0 5,0 6,0 -

s

M10

11

-

-

2,59 7,63

13,0 13,0 13,5 14,0 17,0 17,0 17,5 18,0

Ø

int

M12

Ø

11,16 20,15

ext

3,89

N

14,07 18,00 27,36

ax

M16

CRITICALITY: WASHER HEAD PULL-THROUGH INTO TIMBER

N > N

ax,Max

N

N

ax

ax

NOTES:

- Characteristic values according to EN 1995:2008. - Design values can be obtained from characteristic values as follows:

The coefficients γ m and k mod should be taken according to the current regulations used for the calculation. - For the calculation process a timber density ρ k = 380 kg/m 3 has been considered. - The pull-through resistance of a washer is proportional to its contact surface with the timber element.

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