临近河流泥水平衡顶管始发技术研究  

Study on Muddy Water Balance Pipe Jacking Initiation Technology in Adjacent River

作　　者：曹祝华 CAO Zhuhua(China Railway 11th Bureau Group Urban Rail Engineering Co.,Ltd,Wuhan 430000,China)

机构地区：[1]中铁十一局集团城市轨道工程有限公司,湖北武汉430000

出　　处：《河南科技》2022年第6期98-101,共4页Henan Science and Technology

摘　　要：以某城市电力隧道施工为背景,对临近河流泥水平衡顶管始发进行了相关技术研究,通过对顶进井端头加固、加强洞门密封措施、分段控制泥水仓压力、隧道内注聚氨酯等措施,确保了泥水平衡顶管机安全始发,有效地降低了始发阶段洞门涌水涌砂施工风险,确保顶管的施工安全。Power tunnel construction in a city as the background, the slurry balance pipe jacking originating in rivers which has carried on the related technology research, through to the ejection hole end reinforcement, strengthening their burrows sealing measures, subsection control pressure mud storehouse,tunnel grouting reinforcement measures, such as to ensure smooth after the smooth starting slurry balance pipe jacking in rivers, effectively reduce the risk of construction, Ensure the safety of pipe jacking construction.

关 键 词：泥水平衡顶管 始发即下穿河流 洞门密封 分段控制泥水仓压力 

分 类 号：TU990.3[建筑科学—市政工程]