港口航道与近海工程2024，Vol.61Issue(1)：66-70,5.DOI:10.16403/j.cnki.ggjs20240113
黏性土中单桩基础桩基设计参数ε50试验研究
Experimental Study on Value ε50 Used in Design of Pile Foundation Based on Cohesive Soil
王振红 1蒯志要 2赵梓鑫 2葛建刚1
作者信息
- 1. 浙江华东岩土勘察设计研究院有限公司,浙江杭州 310014
- 2. 中交第一航务工程勘察设计院有限公司,天津 300220
- 折叠
摘要
Abstract
Cohesive soil is one type of common soil that has to be considered in the foundation design and safe operation of offshore wind turbine.By analyzing structural properties and mechanical properties of the soil,a univariate test was designed based on value ε50 of cohesive soil required in the design of pile foundation of offshore wind turbine,which produced the effect of pre-consolidation on unconsolidated and undrained shear test of cohesive soil.It was found that the back-analysis result of test pile is more consistent with the data obtained from the triaxial shear test subject to pre-consolidation of the sample under a certain pressure.Theoretical analysis was carried out for the test method,which led to a certain law of value ε50 based on undisturbed soil sample,and some proposals for the test methods.关键词
ε50取值/土的结构性/预固结/应力—应变关系/抗剪强度Key words
ε50 value/soil structural properties/pre-consolidation/stress-strain relationship/shear strength分类
建筑与水利引用本文复制引用
王振红,蒯志要,赵梓鑫,葛建刚..黏性土中单桩基础桩基设计参数ε50试验研究[J].港口航道与近海工程,2024,61(1):66-70,5.
