文献类型：期刊文献

英文题名：Buckling characteristics of the bucket foundation during installation into silty sand

作者：Niu, Haoming[1,2];Xu, Qing[1];Zhou, Mi[2];Rong, Dingyi[2];Zhang, Xihong[3];Lu, Weiye[2];Li, Jinhui[4]

机构：[1]Guangdong Ocean Univ, Coll Ocean Engn & Energy, Zhanjiang 524088, Guangdong, Peoples R China;[2]South China Univ Technol, Sch Marine Sci & Engn, 381 Wushan Rd, Guangzhou 510640, Peoples R China;[3]Curtin Univ, Sch Civil & Mech Engn, Kent St, Bentley, WA 6102, Australia;[4]Harbin Inst Technol, Sch Intelligent Civil & Ocean Engn, Shenzhen 518055, Peoples R China

年份：2026

卷号：344

外文期刊名：OCEAN ENGINEERING

收录：SCI-EXPANDED(收录号：WOS:001631584900012)、、WOS

基金：The first three and the last authors were supported by National Natural Science Foundation of China (No. 42276213) , the fundamental research funds for the central universities (2023ZYGXZR028) , Special Fund Project of Six Major Marine Industries in 2022 (GDNRC [2022] 27) , Shenzhen Steady Support Project for Universities Key program (Grant Number GXWDS20220818152909001) , and Research Project of China State Railway Group Co., Ltd. (K2023G04) .

语种：英文

外文关键词：Offshore wind turbine; Bucket foundation; Suction sink; Buckling load

外文摘要：Caissons are widely used in offshore wind turbine (OWT) engineering. The buckling problem is a critical issue for caissons, introducing uncertainty during installation. This study explores the buckling problem of caisson installation in silty sand, conducted using finite element analysis, with the aim of proposing an accurate prediction method for the buckling capacity of caissons. The numerical model was compared with previously published data, and good agreement was obtained. Subsequently, a detailed parametric study was conducted to examine the influence of various factors, including caisson geometric parameters, soil properties, and penetration depth. Based on the numerical analysis, a buckling failure mechanism was identified, and a corresponding critical buckling capacity prediction method that considers the effect of caisson geometry, soil properties, and penetration depth was developed. The findings of this study can provide guidance for the design and construction of caissons used for offshore engineering.