隧道锚喷混凝土超耗控制  

Control of Excessive Consumption of Tunnel Anchor Sprayed Concrete

作　　者：陈成 CHEN Cheng(China Railway Jianzhu Wrapping Development Co.,Ltd.,Langfang 065000,China)

机构地区：[1]中铁建竹缠绕发展有限公司,廊坊065000

出　　处：《价值工程》2025年第6期45-47,共3页Value Engineering

摘　　要：隧道的初期支护锚喷混凝土的超耗因素:钻爆开挖后的超、欠挖,架设钢拱架不规范,锚喷混凝土回弹量过大等。通过对施工中的隧道超耗因素对比分析,验证隧道的初期支护锚喷混凝土的超耗因素,提出相关解决措施。The causes of over consumption of anchor sprayed concrete in the initial support of tunnels include over excavation and under excavation after drilling and blasting,non-standard installation of steel arches,and excessive rebound of anchor sprayed concrete.By comparing and analyzing the factors of tunnel overconsumption during construction,the causes of over consumption of anchor sprayed concrete in the initial support of tunnels are verified,andrelevant solutions are proposed.

关 键 词：超耗 超欠挖 “隐形超挖” 锚喷回弹量 

分 类 号：U455.4[建筑科学—桥梁与隧道工程]