Geomechanics of Marine Anchors
Starts: Thu, Oct 4, 2018 4:00 PM CSTEnds: Thu, Oct 4, 2018 5:00 PM CST
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The Offshore Site Investigation and Geotechnics Committee (OSIG) is honored to present "Geomechanics of Marine Anchors" by Dr. Charles Aubeny, Associate Professor from the Civil Engineering Department at Texas A&M University and member of SUT-US.
Dr. Aubeny published the book "Geomechanics of Marine Anchors" last fall, and this presentation will provide a comprehensive outline of the contents. If you are interested in acquiring a copy of the book at a promotional SUT price, please click here to contact us.
A networking event will follow at Tango & Malbec after the presentation (registration cost includes entrance to the networking event).
Presentation Outline
I. Overview of Anchors
a. Anchor system alternatives - at least 7 choices in basic systems b. How they work - understanding basic mechanisms of resistance c. Relevance of loading conditions - duration, cycling, orientation d. Measures of performance - pros/cons of the various options |
V. Ultimate Capacity of Piles & Caissons
a. Upper bound analysis - practical estimates of capacity & optimal load attachment depth b. Combined loading - estimating capacity for H-M and V-H-M loading c. Practical issues - torsion, tolerances |
II. Significance of Seabed Soil Conditions
a. Must-know considerations for clays - undrained strength, consolidation… b. Must-know considerations for sands - frictional & dilative behavior |
VI. Elastic effects
a. P-y curves - traditional curves plus recent developments b. Soil-pile interaction - classical analysis of long, slender piles c. Ovalization - potential reductions in effective capacity of short piles/caissons |
III. Analytics and Benchmark Solutions
a. Analytical methods - survey of widely used methods b. Uniaxial solutions - useful closed-form solutions c. Interaction diagrams - dealing with combined loading conditions |
VII. Drag Embedded Anchors
a. Basic mechanics - analysis from fundamental solutions b. Design tools - practical predictive methods |
IV. Caissons/Pile Installation
a. Suction - penetration mechanisms in clays and sands b. Gravity - recent numerical, analytical & experimental predictive methods c. Driving - most versatile but relatively high-cost approach |
VIII. Direct Embedment Plate Anchors
a. Installation - suction, gravity, driving, torsion b. Keying - methods for predicting embedment loss c. Capacity - pullout capacity in clays & sands |
About the Presenter
Dr. Charles Aubeny is a Professor of civil engineering at Texas A&M University, specializing in geotechnical engineering. He is a licensed professional engineer in Texas, California and Colorado. He received a BS degree at the University of Arizona, an MS degree at the University of Colorado in Denver and a doctoral degree in civil engineering at the Massachusetts Institute of Technology. Dr. Aubeny has held his current faculty position at Texas A&M University since 1999. His research and professional interests include deep-water anchors, subsea risers and conductors, subsea gravity foundations, embankments, slope stability, excavations and retaining structures. He teaches courses in geotechnical engineering, foundation engineering, slope stability and retaining walls, and numerical methods. He consults on wide variety of projects, including projects in deep-water Gulf of Mexico and offshore Australia. He received the Thomas A. Middlebrooks Award in 2002 and is a Fellow of the American Society of Civil Engineers.
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Houston, Texas 77056,
Phone: 713.629.8646
Website: http://tangomalbec.com
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October 2018
Event Location
Tango & Malbec
2800 Sage Rd A-100Houston, Texas 77056,
Phone: 713.629.8646
Website: http://tangomalbec.com