ABSTRACT

Torpedo anchor is a kind of deep-sea anchorage structure with the advantages of simple installation, low cost, and broad application prospects. Its bearing capacity is closely related to the stability and anti-wind ability of the mooring structure. Based on the Abaqus software, the pull-out bearing characteristics of torpedo anchors were simulated, and the influence of pull-out angle, soil properties, buried depth, and length-diameter ratio on the bearing capacity were analyzed. The results showed that with the increase in pull-out angle, the bearing capacity increased first and then decreased. When the pull-out angle reached 45°, the bearing capacity reaches the maximum, while the bearing capacity reaches the minimum when the pull-out angle attained 90°. The uplift capacity of the torpedo anchor increased with increasing undrained strength and buried depth. When the buried depth keeps constant, the bearing capacity increased with the increase of length to diameter ratio.