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REN Yu-xiao, GUO Bing-chuan, GAO Xin, ZHUANG Dao-kun, YAN Shu-wang, WANG Yan-di. Motion of dragging AC-14 anchor in cohesionless soil[J]. Chinese Journal of Geotechnical Engineering, 2019, 41(S1): 133-136. DOI: 10.11779/CJGE2019S1034
Citation: REN Yu-xiao, GUO Bing-chuan, GAO Xin, ZHUANG Dao-kun, YAN Shu-wang, WANG Yan-di. Motion of dragging AC-14 anchor in cohesionless soil[J]. Chinese Journal of Geotechnical Engineering, 2019, 41(S1): 133-136. DOI: 10.11779/CJGE2019S1034

Motion of dragging AC-14 anchor in cohesionless soil

  • The AC-14 anchor is widely used in large vessels. A model test device for measuring the underwater dragging anchor is designed, and the model anchor of AC-14 is manufactured. The model tests on pulling AC-14 anchor in both dry and saturated sands are operated. The kinematic behavior, the trajectory and the holding capacity of AC-14 anchor model during the dragging process are revealed, and the maximum holding power obtained in this test is closed to that of the previous studies. But in saturated sand, although it is consistent with the horizontal inclination of dry sand, the soil depth is greater than that of saturated sand, and the anchor holding force coefficient is less than that of dry sand. In addition, some dragging anchor tests are carried out on the gravel with different particle sizes, and the tests show that the gravel layer with larger particle size has a greater influence on anchor hauling posture, correspondingly, the anchor is buried shallower and holds the larger horizontal inclination angle of anchor fluke when it reaches a stable state.
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