OS-C501

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Offshore Standard DNV-OS-C501, November 2013 App.F Example for representative data - Glass reinforced polyester laminate – Page 238 F.4.3.3 Stress to failure of ply in main fibre direction: Table F-12 Stress to failure of ply in main fibre direction Long term load no Mean load COV,n charact. Mean σ ∧ 1c perm. load cyclic load R=0.1 cyclic load R= -1 cyclic load R=10 time to fail stat. strength just before failure time to fail stat. strength just before failure time to fail stat. strength just before failure time to fail stat. strength just before failure * probably similar to reduction of tensile values F.4.4 Matrix dominated in-plane tensile properties F.4.4.1 There are no representative data for in-plane tensile properties. F.4.5 Matrix dominated in-plane compressive properties F.4.5.1 There are no representative data for in-plane compressive properties. F.4.6 Matrix dominated in-plane shear properties Properties F.4.6.1 There are no representative data for in-plane shear properties. F.4.7 Matrix dominated through thickness tensile properties F.4.7.1 There are no representative data for through thickness tensile properties. F.4.8 Matrix dominated through thickness compressive properties F.4.8.1 There are no representative data for through thickness compressive properties. F.4.9 Matrix dominated through thickness shear properties same as QSA same as QSA same as QSA Unknown. Can use tensile data as a conservative estimate st. dev. " charact. " Mean σ(t) from time to failure st. dev. charact. Mean Use strain based equation in 202 st. dev., n " charact. " Mean unknown* COV,n " charact. " Mean Use strain based equation in 202 st. dev. " charact. " Mean unknown* COV " charact. " Mean No representative data st. dev. charact. Mean No representative data COV charact. F.4.9.1 There are no representative data for through thickness shear properties. DET NORSKE VERITAS AS
Offshore Standard DNV-OS-C501, November 2013 App.F Example for representative data - Glass reinforced polyester laminate – Page 239 F.5 Long term properties in water F.5.1 Test environment The test environment is described according to Sec.4 [8.5.2]. Table F-13 Conditioning parameters Conditioning parameters: Temperature Water content of the laminate (wet, dry) Chemical environment Loading rate Number of specimens 18 o C Immersed in water None about 1% per minute Reported individually for all properties F.5.2 Fibre dominated tensile properties F.5.2.1 Young's Modulus of ply in main fibre direction: General experience has shown that a 10% reduction of the modulus relative to the respective values in air can be used. No data are available for the creep modulus. F.5.2.2 Strain to failure of ply in main fibre direction: General experience has shown that strain to failure remains the same relative to the respective values in air can be used. F.5.2.3 Stress to failure of ply in main fibre direction: General experience has shown that a 10% reduction of the modulus relative to the respective values in air can be used. F.5.3 Fibre dominated compressive properties F.5.3.1 Young's Modulus of ply in main fibre direction: no representative data. F.5.3.2 Strain to failure of ply in main fibre direction: no representative data. F.5.3.3 Stress to failure of ply in main fibre direction: no representative data. F.5.4 Matrix dominated in-plane tensile properties F.5.4.1 There are no representative data for in-plane tensile properties. F.5.5 Matrix dominated in-plane compressive properties F.5.5.1 There are no representative data for in-plane compressive properties. F.5.6 Matrix dominated in-plane shear properties F.5.6.1 There are no representative data for in-plane shear properties. F.5.7 Matrix dominated through thickness tensile properties F.5.7.1 There are no representative data for through thickness tensile properties. F.5.8 Matrix dominated through thickness compressive properties F.5.8.1 There are no representative data for through thickness compressive properties. F.5.9 Matrix dominated through thickness shear properties F.5.9.1 There are no representative data for through thickness shear properties. DET NORSKE VERITAS AS
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OS-C501

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