山东大学学报 (工学版) ›› 2022, Vol. 52 ›› Issue (4): 151-156.doi: 10.6040/j.issn.1672-3961.0.2021.269
• • 上一篇
谢印标1,罗浩天2*,厉雅萌2,武科2,杨涛3,李国栋3,杨洪娜3
XIE Yinbiao1, LUO Haotian2*, LI Yameng2, WU Ke2, YANG Tao3, LI Guodong3, YANG Hongna3
摘要： 针对海洋环境中波浪、风等循环荷载对吸力式桶形基础的承载力影响问题,依托试验与ABAQUS数值模拟互相比对方法研究埋深对桶形基础循环荷载承载特性的影响与循环荷载振幅对桶形基础承载特性的影响。研究结果表明,在循环荷载作用下,随着埋深的增加,水平承载性能提升,而竖直承载性能下降;桶形基础承受的循环荷载越大,越早发生破坏,承载能力越低。桶形基础的循环割线刚度随着埋深的增加而增加;随着循环荷载振幅的增加,循环割线刚度减小。
中图分类号:
| [1] 王胜永. 桶型基础平台在渤海边际油田开发中的应用研究[D]. 大连:大连理工大学,2008. WANG Shengyong. Application study of bucket foundations platform in developing marginal oilfield in Bohai sea[D]. Dalian: Dalian University of Technology, 2008. [2] BYRNE B W, HOULSY G T. Experimental investigations of the cyclic response of suction caissons in sand[C] //The 2000 Offshore Technology Conference. Houston, USA: OnePetro, 2000: 787-795. [3] HOULSBY G T, BYRNE B W. Suction caisson foundations for offshore wind turbines and anemometer masts[J]. Journal of Wind Engineering, 2000, 24(4):249-255. [4] YANG Xu, ZENG Xiangwu, WANG Xuefei. Lateral-moment loading capacity and bearing behavior of suction bucket foundations for offshore wind turbines in sand[J]. International Journal of Geomechanics, 2018, 18(11):1-15. [5] MATSUI T. Cyclic stress-strain history and shear characteristic of clays[J]. Geotechnical Engineering, ASCE, 1980, 106(10):1101-1120. [6] HUNG Le Chi, LEE Si-Hoon, VICENT Ssenyondo, et al. An experimental investigation of the cyclic response of bucket foundations in soft clay under one-way cyclic horizontal loads[J]. Applied Ocean Research, 2018, 71(2):59-68. [7] 周建,龚晓南. 循环荷载作用下饱和软勃土应变软化研究[J]. 土木工程学报,2000,3(5):75-78. ZHOU Jian, GONG Xiaonan. Study on strain soften in saturated soft clay under cyclic loading[J]. China Civil Engineering Journal, 2000, 3(5):75-78. [8] 申琴. 软土中的桶形基础水平循环承载力分析[D]. 天津:天津大学,2008. SHEN Qin. Analysis of horizontal cyclic bearing capacity of bucket foundation in soft soil[D]. Tianjin: Tianjin University, 2008. [9] 王建峰. 复合加载下软土地基桶形基础承载性能研究[D]. 天津:天津大学, 2012. WANG Jianfeng. Research on the bearing capacity of the bucket foundation of soft clay ground under compound loading[D]. Tianjin: Tianjin University, 2012. [10] 王欢. 砂土海床大直径单桩基础和桶形基础水平受荷特性研究[D]. 杭州:浙江大学,2020. WANG Huan. Lateral behavior of offshore monopole and bucket foundations in sand[D]. Hangzhou: Zhejiang University, 2020. [11] 范庆来,韩彦青,麻世林,等. 循环荷载作用下海上风机桶形基础力学响应数值分析[J].应用基础与工程科学学报, 2019, 27(3):646-657. FAN Qinglai, HAN Yanqing, MA Shilin, et al. Numerical analysis of response of bucket foundations for offshore wind turbines subjected to cyclic loading[J]. Journal of Basic Science and Engineering, 2019, 27(3):646-657. |
| [1] | 罗浩天,武科,厉雅萌,徐嘉祥,邢志豪. 波浪动荷载作用下吸力式桶形基础水平承载性能[J]. 山东大学学报 (工学版), 2021, 51(5): 100-106. |
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