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Nonlinear Analysis of Offshore Steel Jackets:Study and Application of the Quasi-Static Pushover Method
Sesam User Conference 2012 – Rio de Janeiro, Brazil
Fábio OrsiniStructural Engineer – Promon EngenhariaProfessor – Universidade Federal do Rio de Janeiro
2ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
Ag
end
a INTRODUCTION1
STEEL JACKETS4
MOTIVATION2
SOIL-PILE INTERACTION6
TUBULAR JOINTS5
JUSTIFICATION3
MEMBER MODELING7
USFOS SOFTWARE8
PROTEUS JACKET9
ANALYSIS RESULTS10
3ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
INTRODUCTION1
OFFSHORE STEEL JACKETS ARE COMPLEX STRUCTURES SUBMITTED TO A GREAT SET OF DIFFERENT LOADS AND ENVIRONMENTAL ACTIONS.
4ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
MOTIVATION2
MANY OF THESE STRUCTURES ARE MORE THAN 25 YEARS OLD AND SOME MORE ARE GETTING THERE SAFETY IS THE MAIN ISSUE.
PIPER ALPHA, 1988 TROPICAL CYCLONE CATARINA, 2004
5ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
JUSTIFICATION3
YET, MANY OTHER JACKETS ARE BEING BUILT INFIELD SYSTEMS PREDICTS MORE THAN USD81Bi UNTIL 2016 FOR NEW CONSTRUCTIONS
PRA-1 (PETROBRAS)
MOP-1 (PETROBRAS)
PMXL-1 (PETROBRAS)
6ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
STEEL JACKETS4
3D TRUSS-WORK FRAMED SYSTEMS: (MOST OF THEM) MAY BE DESIGNED AS QUASI-STATIC STRUCTURES
7ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
TUBULAR JOINTS5
BOUWCAMP, 1980 AND MORIN et al., 1998 LOCAL JOINT FLEXIBILITIES CHANGE STRUCTURAL RESPONSE.
BARLTROP et al., 1984 , FESSLER et al., 1986 AND BUITRAGO et al., 1993 MODELS FOR PREDICTING LOCAL JOINT FLEXIBILITIES.
DIER et al., 2000 (MSL ENGINEERING JIP PROJECT) NON LINEAR FORCE X DISPLACEMENT CURVES FOR LOCAL JOINT FLEXIBILITIES.
8ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
TUBULAR JOINTS5
FESSLER et al., 1986 AND BUITRAGO et al., 1993 PARAMETRIC EQUATIONS FOR LINEAR ELASTIC JOINT FLEXIBILITIES.
9ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
TUBULAR JOINTS5
FESSLER et al., 1986 AND BUITRAGO et al., 1993 PARAMETRIC EQUATIONS FOR LINEAR ELASTIC JOINT FLEXIBILITIES.
10ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
TUBULAR JOINTS5
FESSLER et al., 1986 AND BUITRAGO et al., 1993 PARAMETRIC EQUATIONS FOR LINEAR ELASTIC JOINT FLEXIBILITIES.
11ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
TUBULAR JOINTS5
DIER et al., 2000 (MSL ENGINEERING JIP PROJECT) NON LINEAR FORCE X DISPLACEMENT CURVES FOR LOCAL JOINT FLEXIBILITIES.
12ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
TUBULAR JOINTS5
DIER et al., 2000 (MSL ENGINEERING JIP PROJECT) NON LINEAR FORCE X DISPLACEMENT CURVES FOR LOCAL JOINT FLEXIBILITIES.
13ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
SOIL-PILE INTERACTION6
THREE CURVES: P-Y, T-Z AND Q-Z RELATIONSHIPS FOR DESCRIBING SOIL REACTIONS
P-Y
Q-Z
T-Z
14ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
SOIL-PILE INTERACTION6
T-ZP-Y
Q-Z
15ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
MEMBER MODELING7
NON LINEAR ANALYSIS MUST ACCOUNT FOR GEOMETRIC AND MATERIAL NONLINEARITIES LARGE DISPLACEMENTS DOMAIN
NON LINEAR ANALYSIS MUST ACCOUNT POST-BUCKLING BEHAVIOR OF COMPRESSED TUBULAR MEMBERS INITIAL IMPERFECTIONS
16ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
USFOS SOFTWARE8
SPECIFIC GEOMETRIC MODEL CONSTRUCTED USING GENIE CONVERTING TO USFOS
ENVIRONMETAL LOADS AND PILE MODELING ARE ALL DEFINED USING USFOS ITSELF
17ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
USFOS SOFTWARE8
18ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
USFOS SOFTWARE8
19ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
PROTEUS JACKET9
28 METERS WATER DEPTH NATURAL GAS EXPLOTATION SYSTEM SUPPORT PLATFORM UNMANNED
20ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
ANALYSIS RESULTS10
21ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
ANALYSIS RESULTS10
22ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
ANALYSIS RESULTS10
23ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
ANALYSIS RESULTS10
24ORSINI, F., Non Linear Analysis of Offshore Steel Jackets: Study and Application of the Quasi-Static Pushover Method. DNV Sesam User Conference 2012, Rio de Janeiro, Brazil.
THANK YOU ALL!
