云南水力发电2026，Vol.42Issue(9)：40-43,4.DOI:10.3969/j.issn.1006-3951.2026.09.012
滨海软土水闸基坑卸荷流变特性与协同控制研究
Research on the Creep Characteristics of Coastal Soft Soil in Hydraulic Gate Foundation Excavations under Unloading Conditions and Their Cooperative Control
林亦夫1
作者信息
- 1. 广东金松建设集团股份有限公司,广东 佛山 528000
- 折叠
摘要
Abstract
To address the rheological challenge of unloading in soft coastal soils for sluice foundation excavations,triaxial rheological tests were conducted to reveal the nonlinear characteristics of unloading-induced damage.Based on fractional calculus theory,a novel FUD-Creep rheological constitutive model considering the evolution of unloading damage was developed.Furthermore,a servo-coordinated control technology based on dual control of creep rate and displacement was proposed.Engineering application results demonstrate that the prediction accuracy of the FUD-Creep model is improved by 18.5%compared with traditional models,and the maximum lateral displacement of the diaphragm wall is reduced by 37.6%after implementation of this technique.The present study effectively resolves the long-term time-delayed deformation control problem in soft soil excavations.关键词
滨海软土/水闸基坑/卸荷流变/分数阶导数/协同控制/数值模拟Key words
Coastal soft soil/Sluice foundation pit/Unloading rheology/Fractional derivative/Collaborative control/Numerical simulation分类
建筑与水利引用本文复制引用
林亦夫..滨海软土水闸基坑卸荷流变特性与协同控制研究[J].云南水力发电,2026,42(9):40-43,4.
