多桩型水下基础承载力及结构强度分析

以水下管汇的筒型基础结构为研究目标,提出满足目标地质条件的筒型基础设计方案,并确保其结构强度和稳定性满足相应的设计规范要求。根据地质情况调研并以我国南海海域的土壤条件为例,分析总结出分布最广土壤、强度最弱土壤、近岸典型土壤等3种典型土壤及其4种典型工况。由此设计出两型4桩锚桩的筒型基础模型,通过有限元分析计算,证明其结构强度和稳定性在目标地质条件下符合相关规范要求。

Bearing Capacity and Structural Strength Analysis of Multi Pile Subsea Foundation

Taken the tubular foundation structure of the subsea manifold as the research object, the design scheme under the target geological conditions is carried out, the structural strength and stability of which are guaranteed to meet the requirements of the relevant design specifications. According to the geological investigation and taken the soil conditions in the South China Sea as an example, three typical soils and four typical working conditions are summarized, which are the most widely distributed soil, the weakest strength soil and the nearshore typical soil. Based on this, two types of tubular foundation models with 4 pile anchor pile are designed. Based on the analysis and calculation of the finite element method, it is proved that the structural strength and stability of the foundation meet the requirements of the relevant specifications under the target geological conditions.