Geomechanics of Marine Anchors

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CRC Press, Taylor & Francis Group, 2017 - Business & Economics - 373 pages
8.6.3 Beam-column effects -- 8.7 Short piles and caissons -- 8.7.1 Circumferential distribution of soil resistance -- 8.7.2 Elastic effects and ovalization -- References -- 9. Drag embedded anchors -- 9.1 Basic description of DEAs -- 9.2 Empirical methods -- 9.2.1 Design guide of NCEL -- 9.2.2 Manufacturer guidelines -- 9.3 Undrained behavior of an embedded plate -- 9.3.1 Load capacity -- 9.3.2 Kinematic response -- 9.3.3 Shank resistance -- 9.4 Embedment trajectory -- 9.4.1 Anchor set -- 9.4.2 Post-set trajectory -- 9.5 Factors affecting DEA performance -- 9.5.1 Anchor properties -- 9.5.2 Soil properties -- 9.5.3 Mooring line properties -- 9.6 Calibration to case history data -- 9.6.1 Joint industry project Gulf of Mexico -- 9.6.2 South Timbalier Block 295 Gulf of Mexico -- 9.6.3 Liuhua 11-1 field -- 9.6.4 Offshore Brazil P-13 -- 9.6.5 Offshore Brazil Campos Basin P-27 -- 9.7 Vertically loaded anchors -- 9.7.1 Shank release -- 9.7.2 VLA trajectory simulation -- 9.8 Stratified soil profiles -- 9.9 Out-of-plane loading -- 9.9.1 Analysis of thin shank anchors -- 9.9.2 Experimental data -- 9.10 DEAs in sand -- 9.11 Additional considerations -- References -- 10. Direct embedment plate anchors -- 10.1 Suction embedded plate anchors -- 10.1.1 System of forces on anchor -- 10.1.2 Anchor kinematics -- 10.1.3 Interaction with mooring line -- 10.1.4 Example trajectory calculations -- 10.1.5 Comparison to experimental data -- 10.1.6 Parametric studies -- 10.1.7 Performance of keying flap -- 10.2 Pile driven plate anchors -- 10.2.1 Load capacity of strip anchors in sand -- 10.2.2 Finite length effects -- 10.2.3 Effect of anchor orientation -- 10.2.4 Chain resistance -- 10.2.5 Keying loss of embedment -- 10.3 Dynamically embedded plate anchors -- 10.3.1 Dynamic embedment -- 10.3.2 Keying loss of embedment -- 10.3.3 Load capacity -- 10.4 Helical anchors

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About the author (2017)

Charles Aubeny is a professor at Texas A&M University where he is coordinator of the geotechnical group. He is an expert in offshore foundations and serves on the Offshore Site Investigation and Geotechnics Committee for the Houston Branch of the Society of Underwater Technology. He is the recipient of the ASCE Thomas A. Middlebrooks Award.