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