长周期涌浪及深厚淤泥层地质条件下的海上升压站导管架基础方案对比分析  

Comparison analysis of foundation scheme of offshore booster station in deep thick soft clay stratum under long period surge

作　　者：于海鹏 张晓辉 郑海 张震 罗震 Yu Haipeng;Zhang Xiaohui;Zheng Hai;Zhang Zhen;Luo Zhen(Clean Energy Branch,Huaneng(Zhejiang)Energy Development Co.,Ltd.,Hangzhou 310014,China)

机构地区：[1]华能(浙江)能源开发有限公司清洁能源分公司,杭州310014

出　　处：《工程勘察》2023年第11期30-35,共6页Geotechnical Investigation & Surveying

摘　　要：作为整个风场的“心脏”,海上升压站导管架基础的稳定意义重大。升压站导管架基础按其结构型式可分为先桩法和后桩法两种。本文基于浙南海域某风电场,研究在长周期涌浪及深厚淤泥层地质条件下,海上升压站两种导管架基础型式的优劣及其可行性。通过其技术可行性及施工便利性等方面对两种导管架型式进行对比,先桩法工程量较后桩法更省,但其施工措施费用更高,需综合考虑结构工程量及施工工艺流程,开展方案比选及设计优化,真正达到降低工程造价的目的。本文对后续海上升压站的基础设计具有一定借鉴意义,对风电场降低成本、增加效益起到一定指导作用。As the heart of the whole wind field,the stability of jacket foundation of offshore booster station is critical.The foundation of the booster station jacket can be divideded into piling-first method and piling-later method according to its structural type.Based on a wind farm in the sea area of southern Zhejiang,the advantages and disadvantages and feasibility of two kinds of foundation structures of offshore booster station in deep soft clay under the action of long-period surge are studied.Through the comparison of the two types of jacket from the technical feasibility and construction convenience,it is concluded that the engineering quantity of the piling-first method is less than that of piling-second method,while the cost of construction measures is opposite.It is necessary carry out scheme comparison and design optimization considering the project quality and construction process to truly reduce the project cost.The study could be referred by the offshore booster station construction projects to control the cost and increase the efficiency of wind farms.

关 键 词：长周期涌浪 深厚淤泥层 海上升压站导管架 先桩法 后桩法 

分 类 号：TU473[建筑科学—结构工程]