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OS-C501

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Offshore Standard DNV-<strong>OS</strong>-<strong>C501</strong>, November 2013<br />

App.F Example for representative data - Glass reinforced polyester laminate – Page 232<br />

F.3.3 Matrix dominated ply properties<br />

Table F-4 Matrix dominated ply properties<br />

Parameter Value Unit Explanation<br />

Matrix<br />

dominated<br />

properties<br />

Mean 8.4 [GPa] Modulus of elasticity transverse to main<br />

E 2 (UD ply) COV 10%<br />

fibre direction<br />

Charact. value as mean<br />

Mean 0.0043 Strain Tensile strain at break for the matrix in<br />

2t COV 10%<br />

direction normal to the fibre direction, in<br />

the fibre plane.<br />

Charact. value 0.0031<br />

(this value is lower for pure UD<br />

laminates)<br />

ε ∧<br />

ε ∧<br />

2c<br />

σ ∧<br />

2 t<br />

σ ∧<br />

2 c<br />

ε ∧ 12<br />

σ ∧<br />

12<br />

Mean 0.0065 Strain Compressive strain at break for the<br />

COV 15%<br />

matrix in direction normal to the fibres<br />

when tension is applied to the fibres.<br />

Charact. value 0.0041<br />

Mean 36.0 N/mm 2 (MPa) Tension stress at break normal to the<br />

COV 10%<br />

fibre direction.<br />

Charact. value 26.3<br />

Mean 55.0 N/mm 2 (MPa) Compressive stress at break normal to<br />

COV 15%<br />

the fibre direction.<br />

Charact. value 34.0<br />

Mean 0.0066<br />

(0.023)<br />

COV 10%<br />

Charact. value 0.0049<br />

(0.017)<br />

Mean 23.0<br />

(40)<br />

COV 10%<br />

Charact. value 17.0<br />

(29)<br />

Strain<br />

N/mm 2 (MPa)<br />

Shear strain in ply plane at linear limit<br />

and at (failure).<br />

Shear stress in ply plane at linear limit<br />

and at (failure).<br />

G 12 linear Mean 3.5 [GPa] Shear modulus in the ply plane in the<br />

COV 10%<br />

liner range<br />

Charact. value as mean<br />

G 12 nonlinear<br />

Mean 1.7 [GPa] Shear modulus in the ply plane at the<br />

COV 10%<br />

failure point<br />

Charact. value as mean<br />

ν 12 Mean 0.29 Ply major Poisson’s ratio<br />

COV 10%<br />

Charact. value as mean<br />

DET NORSKE VERITAS AS

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