OS-C501

Recommendations

Info

Offshore Standard DNV-OS-C501, November 2013 App.F Example for representative data - Glass reinforced polyester laminate – Page 236 F.4.2.3 Stress to failure of ply in main fibre direction. All fatigue data are based on amplitudes: Table F-9 Stress to failure of ply in main fibre direction Long term load no Mean load COV,n charact. Mean σ ∧ 1t perm. load cyclic load R=0.1 cyclic load time to fail stat. strength just before failure time to fail Stat.strength just before failure time to fail R= - 1 stat. strength just before failure cyclic load time to fail R=10 Stat.strength just before failure st.dev. charact. Properties same as QSA same as QSA same as QSA log[σ(t)] = log[σ(1)] – β log(t) σ(1) = 1, β = 0.0423 relative to QSA time scale in minutes log[σ(t)] = log[σ(1)] – β log(t) σ(1) = 0.888, β = 0.0423 Mean σ(1) from time to failure mean curve st.dev. charact. σ(1) from time to failure characteristic curve Mean Use strain based equation in 202 st.dev., n " charact. " Mean 90% of QSA COV,n same as QSA charact. 90% of QSA Mean Use strain based equation in 202 st.dev. " charact. " Mean 90% of QSA COV same as QSA charact. 90% of QSA Mean No representative data st.dev. charact. Mean No representative data COV charact. DET NORSKE VERITAS AS
Offshore Standard DNV-OS-C501, November 2013 App.F Example for representative data - Glass reinforced polyester laminate – Page 237 F.4.3 Fibre dominated compressive properties F.4.3.1 Young's Modulus of ply in main fibre direction: Table F-10 Young's Modulus of ply in main fibre direction Long term load E 1t no Mean load COV, n charact. E 1 fibre perm. Mean load st.dev. charact. cyclic Mean load st.dev. R=0,1 charact. cyclic Mean load st.dev. R=-1 charact. cyclic load R=10 Mean st.dev. charact. F.4.3.2 Strain to failure of ply in main fibre direction: Formula same as QSA same as QSA same as QSA unknown* 95% of QSA shortly before failure same as QSA 95% of QSA shortly before failure 95% of QSA shortly before failure same as QSA 95% of QSA shortly before failure unknown Table F-11 Strain to failure of ply in main fibre direction Long term Properties load no load Mean same as QSA COV,n same as QSA charact. same as QSA Mean Use stress based equation in 203 time to fail st.dev. charact. perm. ∧ ∧ load stat.strength Mean σ ( t) ( t) 1t ε = 1t just before E( t) Stat.strength Mean unknown* ε ∧ 1c R=0.1 just before COV,n failure charact. failure st.dev., n " charact. " Mean same equation as in 202 cyclic time to fail st.dev., n " load charact. " Mean same equation as in 202 cyclic time to fail st.dev. " load charact. " Stat.strength Mean unknown* R=-1 just before COV failure charact. Mean No representative data cyclic time to fail st.dev. load charact. Stat.strength Mean No representative data R=10 just before COV failure charact. * probably similar to reduction of tensile values. DET NORSKE VERITAS AS
Page 1 and 2:
OFFSHORE STANDARD DNV-OS-C501 Compo
Page 3 and 4:
Offshore Standard DNV-OS-C501, Nove
Page 5 and 6:
Page 7 and 8:
Page 9 and 10:
Page 11 and 12:
Page 13 and 14:
Page 15 and 16:
Page 17 and 18:
Page 19 and 20:
Page 21 and 22:
Page 23 and 24:
Page 25 and 26:
Page 27 and 28:
Page 29 and 30:
Page 31 and 32:
Page 33 and 34:
Page 35 and 36:
Page 37 and 38:
Page 39 and 40:
Page 41 and 42:
Page 43 and 44:
Page 45 and 46:
Page 47 and 48:
Page 49 and 50:
Page 51 and 52:
Page 53 and 54:
Page 55 and 56:
Page 57 and 58:
Page 59 and 60:
Page 61 and 62:
Page 63 and 64:
Page 65 and 66:
Page 67 and 68:
Page 69 and 70:
Page 71 and 72:
Page 73 and 74:
Page 75 and 76:
Page 77 and 78:
Page 79 and 80:
Page 81 and 82:
Page 83 and 84:
Page 85 and 86:
Page 87 and 88:
Page 89 and 90:
Page 91 and 92:
Page 93 and 94:
Page 95 and 96:
Page 97 and 98:
Page 99 and 100:
Page 101 and 102:
Page 103 and 104:
Page 105 and 106:
Page 107 and 108:
Page 109 and 110:
Page 111 and 112:
Page 113 and 114:
Page 115 and 116:
Page 117 and 118:
Page 119 and 120:
Page 121 and 122:
Page 123 and 124:
Page 125 and 126:
Page 127 and 128:
Page 129 and 130:
Page 131 and 132:
Page 133 and 134:
Page 135 and 136:
Page 137 and 138:
Page 139 and 140:
Page 141 and 142:
Page 143 and 144:
Page 145 and 146:
Page 147 and 148:
Page 149 and 150:
Page 151 and 152:
Page 153 and 154:
Page 155 and 156:
Page 157 and 158:
Page 159 and 160:
Page 161 and 162:
Page 163 and 164:
Page 165 and 166:
Page 167 and 168:
Page 169 and 170:
Page 171 and 172:
Page 173 and 174:
Page 175 and 176:
Page 177 and 178:
Page 179 and 180:
Page 181 and 182:
Page 183 and 184:
Page 185 and 186: Offshore Standard DNV-OS-C501, Nove
Page 235: Offshore Standard DNV-OS-C501, Nove
show all

OS-C501

Create successful ePaper yourself

Delete template?

Save as template?