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Author:

Hao, Dongxue (Hao, Dongxue.) | Chen, Xichao (Chen, Xichao.) | Chen, Rong (Chen, Rong.) | Yuan, Chi (Yuan, Chi.)

Indexed by:

CPCI-S

Abstract:

Inclined circular plate or helical anchor has been extensively used as tensile foundations with certain horizontal forces, such as transmission tower and offshore structure foundations. The studies on the influences of inclination angle on the bearing characteristics under different sand compactness and embedment depth are insufficient. Therefore, this research carried out FEM analysis using a modified Mohr-Coulomb model considering the variation of mobilized sand strength, and the coupled Eulerian-Lagrangian technique to investigate the influence of inclined angle and embedment depth of circular anchors for different sand densities on uplift capacity and failure mode. Numerical results show that the influences of embedment ratio and density on uplift capacity are particularly important. The uplift breakout factor of the anchor plate increases rapidly at first and then slowly with the increase of the embedment ratio, until it approaches a stable value, and deep failure mode occurs. The critical embedment ratio increases with the sand compactness. The uplift capacity increases with the increase of inclination angle for shallow embedment depth, but the influence of inclination angle gradually decreases for deep embedment depth. Also, the influence of the inclination angle of the anchor plate becomes more pronounced with the increase of compactness.

Keyword:

numerical modelling Inclined circular anchor axial uplift capacity sand

Author Community:

  • [ 1 ] [Hao, Dongxue]Northeast Elect Power Univ, Sch Civil Engn & Architecture, Jilin, Jilin, Peoples R China
  • [ 2 ] [Chen, Xichao]Northeast Elect Power Univ, Sch Civil Engn & Architecture, Jilin, Jilin, Peoples R China
  • [ 3 ] [Chen, Rong]Northeast Elect Power Univ, Sch Civil Engn & Architecture, Jilin, Jilin, Peoples R China
  • [ 4 ] [Yuan, Chi]Beijing Univ Technol, Coll Architecture & Civil Engn, Beijing 110124, Peoples R China

Reprint Author's Address:

  • [Hao, Dongxue]Northeast Elect Power Univ, Sch Civil Engn & Architecture, Jilin, Jilin, Peoples R China;;

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Source :

PROCEEDINGS OF ASME 2024 43RD INTERNATIONAL CONFERENCE ON OCEAN, OFFSHORE AND ARCTIC ENGINEERING, OMAE2024, VOL 8

Year: 2024

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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