Inclined loading capacity of suction piles in sand

Bang, S.; Jones, K.; Kim, K.O.; Kim, Y.S.; Cho, Y.

doi:10.1016/j.oceaneng.2010.10.019

Cited by 68 publications

(14 citation statements)

References 12 publications

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“…The geometry and mechanical properties used in the analysis are shown in Table 1. The dimension of the caisson for the base case analysis is similar to Bang et al (2011). The soil parameters are estimated based on the soil properties mentioned in that study.…”

Section: Modeling Of Sandmentioning

confidence: 99%

“…The lines with open symbols represents the FE results while the data points of same solid symbol show the centrifuge test results (Bang et al, 2011) of similar conditions. The pullout capacities obtained from the present FE analysis follow the similar trend as obtained in the centrifuge tests (Bang et al 2011). For a given mooring position, the maximum pullout capacity is obtained for lateral loading (=0), while the minimum pullout capacity is obtained for =90.…”

Section: Pullout Capacitymentioning

confidence: 99%

“…Some centrifuge tests have been conducted in the past to understand the pullout behavior of caisson in sand (e.g. Allersma et al, 2000;Lee et al, 2003;Kim et al, 2005;Jones et al 2007;Kim et al, 2009;Kim et al, 2010;Bang et al, 2011;Jang and Kim 2013). Bang et al (2011) reported a series of centrifuge tests at 100g on a model suction caisson in medium dense sand to evaluate the pullout capacities.…”

Section: Introductionmentioning

confidence: 99%

“…Allersma et al, 2000;Lee et al, 2003;Kim et al, 2005;Jones et al 2007;Kim et al, 2009;Kim et al, 2010;Bang et al, 2011;Jang and Kim 2013). Bang et al (2011) reported a series of centrifuge tests at 100g on a model suction caisson in medium dense sand to evaluate the pullout capacities. More recently, Gao et al (2013) conducted model tests to evaluate the pullout capacity of suction caisson in medium dense sand and reported the effects of load inclination angle, mooring position and aspect ratio.…”

Section: Introductionmentioning

confidence: 99%

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Numerical Analysis of Inclined Uplift Capacity of Suction Caisson in Sand

Ahmed¹,

Hawlader²

2015

IJOPE

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Three-dimensional finite element (FE) analyses are conducted to calculate the pullout capacity of suction caisson subjected to oblique loadings. Two sets of FE analyses are performed using Abaqus FE software. In the first set, the sand around the caisson is modeled using the built-in Mohr-Coulomb model (MC) available in Abaqus where constant values of angle of internal friction () and dilation () are defined. The effects of key variables, such as loading angle, mooring position and aspect ratio, on pullout capacity and rotation of the caisson are examined. A comparison between FE and centrifuge test results is also shown. The second set of analyses are performed using a modified Mohr-Coulomb model (MMC) where the pre-peak hardening, post-peak softening and effects of density and confining pressure on stress-strain behavior of dense sand are implemented using a user subroutine by varying  and  as a function of plastic shear strain and confining pressure. Comparing the failure surface development in the soil with increase in loading for two different models (MC and MMC) it is shown that the mobilized  and  varies along the failure planes if the MMC model is used, although the capacity of the caisson could be obtained even if appropriate values of constant  and  are used in the MC model.

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Section: Modeling Of Sandmentioning

confidence: 99%

Section: Pullout Capacitymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Numerical Analysis of Inclined Uplift Capacity of Suction Caisson in Sand

Ahmed¹,

Hawlader²

2015

IJOPE

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“…Complete details of the suction pile design, considering the external loads and safe installation, are beyond the scope of this paper. They are well described in references [4,5,6,7,8,9]. From September through late November 2004, four suction piles were fabricated at a location adjacent to the wharf near the test site.…”

Section: Suction Pile Details and Installationmentioning

confidence: 99%

Design and Installation of Suction Piles for Breakwater Foundation

Bang

Cho²,

Kwag³

Proceedings of OCEANS 2005 MTS/IEEE

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A new breakwater system, utilizing gravity-type concrete caisson superstructure on top of suction piles that act as the subsurface foundations, was designed and successfully installed in the field as part of an experimental project in 2004. The design utilized two concrete suction piles in a row with the diameter of 11 meters each. Four suction piles will support a 17.4 meter by 21.0 meter concrete caisson on top. Instrumentation during installation included the measurements of the suction pressure, pile penetration, and pile tilts.

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Seabed structures and foundations related to deep‐sea resource development: A review based on design and research

Rui

Zhang

et al. 2023

Deep Underground Science and Engineering

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The deep‐sea ground contains a huge amount of energy and mineral resources, for example, oil, gas, and minerals. Various infrastructures such as floating structures, seabed structures, and foundations have been developed to exploit these resources. The seabed structures and foundations can be mainly classified into three types: subsea production structures, offshore pipelines, and anchors. This study reviewed the development, installation, and operation of these infrastructures, including their structures, design, installation, marine environment loads, and applications. On this basis, the research gaps and further research directions were explored through this literature review. First, different floating structures were briefly analyzed and reviewed to introduce the design requirements of the seabed structures and foundations. Second, the subsea production structures, including subsea manifolds and their foundations, were reviewed and discussed. Third, the basic characteristics and design methods of deep‐sea pipelines, including subsea pipelines and risers, were analyzed and reviewed. Finally, the installation and bearing capacity of deep‐sea subsea anchors and seabed trench influence on the anchor were reviewed. Through the review, it was found that marine environment conditions are the key inputs for any offshore structure design. The fabrication, installation, and operation of infrastructures should carefully consider the marine loads and geological conditions. Different structures have their own mechanical problems. The fatigue and stability of pipelines mainly depend on the soil‐structure interaction. Anchor selection should consider soil types and possible trench formation. These focuses and research gaps can provide a helpful guide on further research, installation, and operation of deep‐sea structures and foundations.

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Inclined loading capacity of suction piles in sand

Cited by 68 publications

References 12 publications

Numerical Analysis of Inclined Uplift Capacity of Suction Caisson in Sand

Numerical Analysis of Inclined Uplift Capacity of Suction Caisson in Sand

Design and Installation of Suction Piles for Breakwater Foundation

Seabed structures and foundations related to deep‐sea resource development: A review based on design and research

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