导向架平台吸力桶基础施工过程控制关键技术  

Key Technology of Construction Process Control of Guide Frame Platform Suction Bucket Foundation

作　　者：刘华全[1] 李元松 潘胜平[1] 张鑫 赵勇[1] LIU Huaquan;LI Yuansong;PAN Shengping;ZHANG Xin;ZHAO Yong(The 5th Engineering Co.,Ltd.,MBEC,Jiujiang 32000,Jiangxi,China;School of Civil Engineering and Architecture,Wuhan Institute of Technology,Wuhan 430073,Hubei,China)

机构地区：[1]中铁大桥局集团第五工程有限公司,江西九江332000 [2]武汉工程大学土木工程与建筑学院,湖北武汉430073

出　　处：《南方能源建设》2023年第1期98-104,共7页Southern Energy Construction

基　　金：中国中铁股份有限公司科技研究开发计划项目“深水、恶劣海况及复杂地质条件下海上风电施工技术研究”(2020-重大-13)。

摘　　要：[目的]针对目前吸力桶基础设计与施工技术还未成熟,缺乏规范性指导文件的现状,对吸力桶施工过程控制关键技术展开专题研究。[方法]以某海上风电场导向架平台基础工程为背景,以实测数据为基础,采用统计分析、数据挖掘、过程回溯反演的方法与技术手段。[结果]详细介绍了吸力桶基础成套安装设备与智能化、数字化控制系统的构成与功能;探讨了导向架吸力桶基础施工过程中的控制参数与控制标准;归纳总结吸力桶贯入/顶升可行性分析计算工况与参数取值方法;提出吸力桶从入泥沉贯到顶升回收全过程每一环节的控制要点与控制方法。[结论]最后以7个四桩导向架吸力桶基础的施工实测数据,说明吸力桶基础施工过程中控制参数的变化特征与控制效果,以供类似吸力桶平台基础设计施工时参考。[Introduction]The present,design and construction technology of suction bucket foundation is not mature,and there is lack of the normative guidance documents,the special research on the key technology of the construction process control of the suction bucket was implemented.[Method]Taking an offshore wind farm project as the background,based on the measured data of orientation platform foundations,statistical analysis,data mining,process back in the inversion method and technology was used.[Result]The constitution and function of the complete set of installation equipment of suction bucket foundation and the intelligent and digital control system are described in detail.The control parameters and control standards in the construction process of suction bucket foundation of guide frame platform are discussed.The feasibility analysis and calculation method and parameter value method of suction bucket penetration/jacking are summarized.The key points and control methods of each link in the whole process of suction bucket from penetration to jacking and recovery are put forward.[Conclusion]Finally,according to the measured construction data of seven four-pile guide frame platform suction bucket foundation,the variation characteristics of control parameters and the control effect during the construction of suction bucket foundation are illustrated.It can be used for reference in the design and construction of similar suction bucket platform foundation.

关 键 词：导向架 吸力桶 沉贯/顶升 过程控制 关键技术 

分 类 号：TK89[动力工程及工程热物理—流体机械及工程] TU432[建筑科学—岩土工程]