李忠海，李义堂，李天果，邓文涛
    (中铁一局集团第二工程有限公司，唐山063004)

[摘要] 通过后构洞门打设水平注浆孔对洞身土体进行水泥一水玻璃双液浆注浆加崮，可以确保盾构机进出洞门的安全，达到加固洞身土体的目的。
[关键词] 盾构端头井；水平注浆；施工技术

    Shield work-well construction technology of horizontal grouting
    Li Zhonghai, Li Yitang, Li Tianguo, Deng Wentao
    (The Second Engineering Co., Ltd., of China Railway First Group, Tangshan 063004, China)

Abstract: Through the tunnel portal horizontal grouting-hole to reinforce the soil body by cement -sodium silicate pairs of liquid slurry grouting,can ensure the safety of TBM through the tunnel portal, to reinforce the purpose of soil-hole body.
Keywords: shield work well; horizontal grouting; construction technology