华侨大学学报（自然科学版）2024，Vol.45Issue(2)：241-247,7.DOI:10.11830/ISSN.1000-5013.202401014
长期堆载预压处理软土地基效果评价
Evaluation of Long-Term Preloading Effects on Soft Soil Foundation
摘要
Abstract
In order to evaluate the effects of ground subsequent settlement on newly constructed pipeline after 10 years of long-term preloading,systematic evaluation of the site is conducted by indoor and on-site tests,and hyperbolic method and finite element method are used to predict subsequent settlement,respectively.The re-sults show that the physical and mechanical parameters of each layer improve significantly after 10 years of pre-loading on the site,but the properties of the silt layer are relatively poor,which is the main stratum for subse-quent settlement of the site.The main consolidation has basically completed after 10 years of preloading,with a consolidation degree of 95.5％,which indicates that the effect of long-term preloading is preferable.For the site loaded for many years,an elastic model is used for subsequent settlement numerical calculations,and pa-rameters obtained from on-site experiments are selected for calculation,the calculation results are in good agreement with the measured data,and the remaining average settlement of the site is about 15.4 cm.Conventional preventive measures can be taken for road pipelines in the park.关键词
长期堆载预压/固结沉降/软土地基/有限元法/双曲线法Key words
long-term preloading/consolidation settlement/soft soil foundation/finite element method/hy-perbolic method分类
建筑与水利引用本文复制引用
汪智慧,辛全明,孔志军,蔡奇鹏,佘小康,曹洋,涂兵雄..长期堆载预压处理软土地基效果评价[J].华侨大学学报（自然科学版）,2024,45(2):241-247,7.基金项目
国家自然科学基金资助项目(52378342,52308400) （52378342,52308400）
福建省科技计划资助项目(2022Y4015) （2022Y4015）
福厦泉国家自主创新示范区协同创新平台项目(3502ZCQXT2022002) （3502ZCQXT2022002）
中建股份科技研发计划资助项目(CSCEC-2020-Z-57) （CSCEC-2020-Z-57）
