摘要
南京长江第四大桥北锚碇矩形沉井高52.8 m,共分11节,分4次接高下沉施工,其中前4节采用整体降排水下沉施工,后7节分3次采用不排水下沉施工,主要介绍北锚碇沉井前4节整体降排水下沉施工关键技术。
The height of rectangular North Anchor Caisson of the 4th Yangtze Bridge in Nanjing City is 52. 8 meters,the caisson is divided into 11 stages, divided into four times to linking-up in the dewatering construction , whole dewatering sinking construction is applied in the first four stages,the later seven sta- ges which are divided into three times used the undrained sinking construction, and the key technologies of whole dewatering sinking construction of the first four stages of the North Anchor Caisson are mainly de- scribed in this paper.
出处
《公路》
北大核心
2010年第6期6-10,共5页
Highway
关键词
沉井
降排水下沉
施工
关键技术
caisson
dewatering sinking
construction
key technologies
