摘要
合理选择河道岸坡设计型式在河道治理工程中尤为重要。为研究埋石混凝土挡墙设计与施工技术,以安徽省安庆市岳西县黄尾河青天段为研究对象,通过对现状河道地质进行勘察与评估,岸坡设计采用C20埋石混凝土挡墙结构,临水坡比1∶0.1,背水坡比1∶0.3,且针对挡墙安全埋深以及施工技术提出了要求。通过有限元模拟分析挡墙安全稳定性,结果显示:应力云图中显示位移增量最高为80 000,最低为-20 000,普遍为0,挡墙整体稳定安全系数高达1.98,为相对较高的安全系数。通过对C20埋石混凝土挡墙的适用性研究,可为相关类似河道治理工程设计提供指导。
Reasonable selection of river bank slope design type is particularly important in river improvement projects.In order to study the design and construction technology of buried concrete retaining wall,in this paper,the Qingtian section of the Huangwei River in Yuexi County,Anqing City,Anhui Province was taken as the research object.Through the investigation and evaluation of the current river geology,the bank slope design adopts the C20 buried stone concrete retaining wall structure type,the waterfront slope ratio is 1:0.1,and the backwater slope ratio is 1:0.3,and puts forward the requirements for the safe burial depth and construction technology of the retaining wall.The Finite Flement Method was used to simulate and analyze the safety and stability of the retaining wall,the stress contour diagram shows that the maximum displacement increment is 80000,the minimum is-20000,and the general displacement is 0,and the overall stability safety factor of the retaining wall is as high as 1.98,it is a relatively high safety factor.Through the study of the applicability of C20 buried stone concrete retaining wall,it can provide a reference for the design of related similar river treatment projects.
作者
管飞
黄天元
刘飞
GUAN Fei;HUANG Tianyuan;LIU Fei(Anhui and Huaihe River Institute of Hydraulic Research,Hefei 230088,China;Dayu Water Engineering Technology Co.Ltd.,of Anhui Province,Hefei 230088,China)
出处
《海河水利》
2025年第2期111-114,共4页
Haihe Water Resources
关键词
埋石混凝土
挡墙
黄尾河
有限元法
稳定性
buried stone concrete
retaining walls
Huangwei River
finite element method
stability
