市政技术2025，Vol.43Issue(6)：105-113,9.DOI:10.19922/j.1009-7767.2025.06.105
基于分层总和法的软土路基工后沉降简化算法
Simplified Algorithm for Post-construction Settlement of Soft Soil Subgrade by Layer-wise Summation Method
马宇翔1
作者信息
- 1. 北京市政路桥管理养护集团有限公司,北京 100097
- 折叠
摘要
Abstract
Post-construction settlement prediction of soft soil subgrade is an important basis for the subsequent con-struction nodes.Firstly,the post-construction settlement of soft soil subgrade is analyzed in this paper,and which is considered mainly to be composed of the settlement of soft soil foundation in the main consolidation and secondary consolidation stages.Secondly,the traditional power function model is modified,so that the deformation can tend to be constant over time instead of growing to infinity during the describing the consolidation deformation of fine-grained soils.Thirdly,the calculation method of post-construction settlement of soft soil subgrade is established and simplified based on the layer-wise summation method.Finally,the simplified algorithm is verified by the post-con-struction settlement measurement data of the soft soil subgrade of Zhuhai Sanhu Avenue(Phase Ⅱ)and an express-way in Ningde,Fujian.The results show that the simplified algorithm can be used to calculate the post-construction settlement of soft soil subgrade.关键词
软土路基/工后沉降/简化算法Key words
soft soil subgrade/post-construction settlement/simplified algorithm分类
建筑与水利引用本文复制引用
马宇翔..基于分层总和法的软土路基工后沉降简化算法[J].市政技术,2025,43(6):105-113,9.
