摘要
文章结合平南三桥拱座基坑开挖施工技术,对该项目的基坑开挖特征、技术要点和处理方案等开展了综合研究。研究认为,通过采取粉质黏土层开挖、石方爆破、围堰施工等施工技术和工艺流程,能较好地完成拱座基坑的开挖施工,保证基坑的轮廓平整性,促使岩石得到良好破碎,提高基坑开挖效率。
In combination with the foundation pit excavation technology of Pingnan Third Bridge abutment,this article comprehensively studies the foundation pit excavation characteristics,technical points and treatment plan of this project.According to the research,by adopting the construction technology and process flow of silty clay layer excavation,stone blasting,and cofferdam construction,the excavation construction of abutment foundation pit can be completed better,the contour flatness of foundation pit is ensured,and it can better crush the rocks and improve the efficiency of foundation pit excavation.
作者
安永庆
AN Yong-qing(Guangxi Guitong Engineering Consulting Co.,Ltd.,Nanning,Guangxi,530028)
出处
《西部交通科技》
2019年第2期68-72,共5页
Western China Communications Science & Technology
关键词
拱座
基坑开挖
施工技术
Abutment
Foundation pit excavation
Construction technology
