港口航道与近海工程2026，Vol.63Issue(1)：43-49,7.DOI:10.16403/j.cnki.ggjs20260110
珠海软黏土一维固结蠕变特性研究
Study on One-Dimensional Consolidation Creep Characteristics of Zhuhai Soft Clay
摘要
Abstract
One-dimensional tests had been made to clarify the consolidation creep characteristics of Zhuhai soft clay under various preloading conditions,and then the model fitting validation was carried out based on the test results.The results showed that the strain rate of soft clay decreased with the loading operation,and the main consolidation deformation gradually changed to be the decay-stable creep.Strain-time logarithmic curve showed two phenomena,i.e.the suddenly increased stress came from the centralized penetration of drainage paths at a certain moment,and the turning point was used to judge the primary and secondary stages of soft soil consolidation.The inflection point on the strain-stress isochronous curve corresponded to the structure yielding stress,and more obvious the curve's concavity and convexity was,much stronger the nonlinear creep characteristic of soft soil was,and ceteris paribus vice versa.The preloading consolidated soft soil earlier,reduced the ultimate deformation,and affected the structure yield stress.A five-element model was built for the fitting validation subject to stronger linearity of Zhuhai soft soil,and an 1-D empirical model of consolidation creep was built subject to stronger non-linearity.关键词
软黏土/一维固结/蠕变/元件模型/经验模型Key words
soft clay/one-dimensional consolidation/creep/element model/empirical model分类
建筑与水利引用本文复制引用
陈浩,陈亚伟,段灼煜,王东星..珠海软黏土一维固结蠕变特性研究[J].港口航道与近海工程,2026,63(1):43-49,7.基金项目
湖北省自然科学基金杰出青年项目(2024AFA051) （2024AFA051）
湖南省自然科学基金青年科学基金A类项目(2025JJ20049). （2025JJ20049）
