Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 355
... Crack Tip Equation ( 5 ) is linear elastic solution of the stress intensity factor . Actual stress distribution is plastic at the crack tip . Surface crack tip considered as plane strain situation , the plastic radius is r , - ( K , / 0 ...
... Crack Tip Equation ( 5 ) is linear elastic solution of the stress intensity factor . Actual stress distribution is plastic at the crack tip . Surface crack tip considered as plane strain situation , the plastic radius is r , - ( K , / 0 ...
Page 363
... cracks combine and become a long shallow crack . On the other hand , for a long shallow crack with smaller value of a / c ( M04 and M05 in fig . 6 ) , the largest value of will occure at the deepest point ( point B ) . YI The crack will ...
... cracks combine and become a long shallow crack . On the other hand , for a long shallow crack with smaller value of a / c ( M04 and M05 in fig . 6 ) , the largest value of will occure at the deepest point ( point B ) . YI The crack will ...
Page 383
CRACK DEPTH , a , mm CRACK DEPTH , a , mm 30 10 20 30 TWI TEST -- PREDICTION 10 + 5 20 + 5 30 + 5 40 + 5 CYCLES , N TESTED FATIGUE CYCLES 107 O TWI TEST ONEL TEST A DELFT TEST 106 105 105 Fig . 6 Comparison of Predicted and Tested Crack ...
CRACK DEPTH , a , mm CRACK DEPTH , a , mm 30 10 20 30 TWI TEST -- PREDICTION 10 + 5 20 + 5 30 + 5 40 + 5 CYCLES , N TESTED FATIGUE CYCLES 107 O TWI TEST ONEL TEST A DELFT TEST 106 105 105 Fig . 6 Comparison of Predicted and Tested Crack ...
Contents
ADVANCED COMPOSITES | 1 |
Probabilistic Aspects of HAZ CTOD Value of Multipass Welded Joint of Steel for Offshore | 5 |
The Use of GRP Materials in Platform Topsides Construction and the Regulatory Implications | 15 |
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analysis applications as-welded ASTM axial load behaviour bending brace calculated chord Composite Materials compressive strength corrosion rate crack growth CTOD cycles damage delamination elastomer Engineering environment epoxy experimental failure fatigue crack fatigue design fatigue strength fatigue tests Figure finite element finite element analysis fracture mechanics fracture toughness geometry increase initial installation interlaminar fracture laminate layers marine matrix maximum mean stress method Mode modulus moisture nodes nominal notch obtained offshore structures optical fiber parameters performance phenolic pipe plate thickness platform pre-load predicted pressure principal stress pultrusion rebar reinforcement resin resistance riser rubber S-N curves sea water seal shear stress shell shown in Fig space frame specimens steel strain stress concentration stress concentration factor stress range surface crack Table techniques tensile strength tension thickness effect thread tube tubular joints values water mixed concrete weight weld toe welded joints yield strength zone