# [1]黎冰,等.砂土中吸力式沉箱基础的最大承载力计算方法[J].东南大学学报(自然科学版),2012,42(6):1201-1205.[doi:10.3969/j.issn.1001-0505.2012.06.032] 　Li Bing,Gao Yufeng,et al.Calculation method for maximum bearing capacity of suction caisson foundation in sand[J].Journal of Southeast University (Natural Science Edition),2012,42(6):1201-1205.[doi:10.3969/j.issn.1001-0505.2012.06.032] 点击复制 砂土中吸力式沉箱基础的最大承载力计算方法() 分享到： var jiathis_config = { data_track_clickback: true };

42

2012年第6期

1201-1205

2012-11-20

## 文章信息/Info

Title:
Calculation method for maximum bearing capacity of suction caisson foundation in sand

1 东南大学土木工程学院,南京 210096; 2 河海大学海岸灾害及防护教育部重点实验室,南京 210098; 3 河海大学岩土工程研究所,南京 210098
Author(s):
1 School of Civil Engineering, Southeast University, Nanjing 210096, China
2 Key Laboratory of Coastal Disasters and Defence of Ministry of Education, Hohai University, Nanjing 210098, China
3 Research Institute o

Keywords:

TU47
DOI:
10.3969/j.issn.1001-0505.2012.06.032

Abstract:
To accurately determine the maximum pull-out loading capacity of suction caisson foundation in sand, the limit equilibrium method is applied. Based on the mechanical characteristics of suction caisson foundation with horizontal translation, a method for three-dimensional limit equilibrium analysis of maximum pull-out loading capacity of suction caisson foundation in sand is proposed. In the proposed method, the development process of earth pressure and shear resistance with displacement, and the characteristics of different earth pressure and side shear resistance over the caisson cross-section are considered. The earth pressure acting on the caisson is assumed to obey the Winkler model and is not in excess of the limiting earth pressure. The shear resistance between caisson and soil is assumed to be linearly proportional to the relative displacement between them before reaching its ultimate value. Fifteen model tests of suction caisson foundation under horizontal loading in sand are conducted to investigate its pull-out behaviors, and the load-displacement curves are obtained. The calculation results by the proposed method agree well with the experimental results, indicating that the proposed method is accurate and effective.

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