Numerical inversion study on comprehensive capacity of marine steel pipe pile based on field pile loading tests
-
摘要: 受海洋环境等方面的影响,海洋土层参数的确定比较困难,常需钻探取样试验、原位测试并结合桩基现场静载试验进行综合分析。基于海洋钢管桩现场静载试验,探讨了海洋土层参数取值对不同受荷情况下钢管桩应力与变形的敏感程度,并对关键参数开展了一系列数值仿真反分析,通过与海洋钢管桩在现场水平加载、竖向抗压和竖向抗拔等静载试验下的实测结果进行对比,综合室内试验和API等海洋工程规范的经验取值,对钢管桩在多种受荷条件下的土层参数取值进行了论证。Abstract: It is difficult to determin the parameters of the marine soil due to the influence of the marine environment.There is often a need to combine drill sampling, in situ tests with field static load tests on the pile foundation for comprehensive analysis. Based on the static load test of marine steel pipe pile,the sensitivity of the parameters of the marine soil to the stress and deformation of the steel pipe pile under different loads was discussed.Moreover, a series of numerical simulations were carried out to analyze the key parameters.By comparing with the static load test results, including the horizontal, vertical compression and vertical uplift tests,the experience of the laboratory test and the marine engineering standards (e.g. API),the parameters of the marine soil layer were demonstrated under the various load conditions of the steel pipe pile.
-
[1] 孙 田, 陈国兴, 周恩全, 等. 琼州海峡100 m以浅海洋土动剪切模量比和阻尼比试验研究[J]. 岩土工程学报, 2013, 35(增刊2): 375-382. (SUN Tian, CHEN Guo-xing, ZHOU En-quan, et al. Experimental study on dynamic shear modulus ratio and damping ratio of marine soils in Qiongzhou strait with depth less than 100 m[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(S2): 375-382. (in Chinese)) [2] 孔令伟, 吕海波, 汪 稔, 等. 湛江海域结构性海洋土的工程特性及其微观机制[J]. 水利学报, 2002, 33(9): 82-88. (KONG Ling-wei, LÜ Hai-bo, WANG Ren, et al. Engineering properties and micro-mechanism of structural marine soil in Zhanjiang sea area[J]. Journal of Hydraulic Engineering, 2002, 33(9): 82-88. (in Chinese)) [3] API. RP 2A-WSD - Recommended practice for planning, designing and constructing fixed offshore platforms[M]. Washington: American Petroleum Institute, 2010. [4] DNV-OS-J101. Design of offshore wind turbine structures[S]. 2011. [5] 魏代峰. 大直径桩基的水平承载机理研究[D]. 北京: 中国石油大学, 2010. (WEI Dai-feng. Study on characteristics of large diameter-tube foundation under lateral loading[D]. Beijing: China University of Petroleum, 2010. (in Chinese)) [6] BYRNE B W, MCADAM R, HOULSBY G T, et al. New design methods for large diameter piles under lateral loading for offshore wind applications[C]// Third International Symposium on Frontiers in Offshore Geotechnics (ISFOG 2015). Oslo Norway. 2015. [7] 彭文韬. 超长大直径钢管桩竖向承载特性试验分析与预测方法研究[D]. 武汉: 武汉理工大学, 2010. (PENG Wen-tao. Study on the vertical bearing capacity and its predict method for super-long and large-diameter steel pipe pile[D]. Wuhan: Wuhan university of technology, 2010. (in Chinese)) [8] 高大钊, 袁聚云. 土质学与土力学[M]. 3版. 北京: 人民交通出版社, 2006. (GAO Da-zhao, YUAN Ju-yun. Soil properties and soil mechanics[M]. 3rd ed. Beijing: China Communications Press, 2006. (in Chinese)) [9] 杨 敏, 赵锡宏. 分层土中的单桩分析法[J]. 同济大学学报, 1992, 20(4): 421-428. (YANG Min, ZHAO Xi-hong. An approach for a single pile in layered soil[J]. Journal of Tongji University, 1992, 20(4): 421-428. (in Chinese)) -
期刊类型引用(9)
1. 李林，陈镇旺，蔡阳，胡小蝶. 基于GeoPIV-RG技术的三轴试样变形精细测量方法验证. 长江科学院院报. 2024(04): 131-139 . 
百度学术
2. 袁炳祥，李志杰，陈伟杰，罗庆姿，杨光华，王永洪. 基于PIV技术与分形理论的桩–土系统水平循环受荷模型试验研究. 岩石力学与工程学报. 2023(02): 466-482 . 百度学术
3. 常记，杨晓峰，姚兆明. 基于PIV技术的水平桩土相互作用试验研究. 宁夏工程技术. 2023(01): 7-11+17 . 百度学术
4. 李博，王晔，邹良超，杨磊. 岩石裂隙内浆液–水两相流可视化试验与驱替规律研究. 岩土工程学报. 2022(09): 1608-1616+2-3 . 本站查看
5. 刘刚，鲜杰，臧冬冬. 岩土工程模型试验监测技术研究、应用与方向. 中国矿业大学学报. 2022(06): 1069-1085 . 百度学术
6. 侯宇宙，陈伟，陈捷. 基于PIV技术的新型土壤收缩轨迹测试装置研制. 中国测试. 2021(09): 113-118 . 百度学术
7. 朱鸿鹄，王德洋，王宝军，朱宝，施斌. 基于光纤传感及数字图像测试的管-土相互作用试验研究. 工程地质学报. 2020(02): 317-326 . 百度学术
8. 潘晓东，周廉默，孙宏磊，蔡袁强，史吏，袁宗浩. 基于粒子图像测速的高含水率软土真空预压试验. 浙江大学学报(工学版). 2020(06): 1078-1085 . 百度学术
9. 刘承婷，闫作秀，刘钢，张维薇，杨盼盼. 水平环空井段内岩屑运移规律实验研究. 当代化工. 2019(02): 333-336 . 百度学术
其他类型引用(25)
计量
- 文章访问数: 353
- HTML全文浏览量: 6
- PDF下载量: 424
- 被引次数: 34
下载:
