摘要
介绍了在深圳地铁施工中通过含水量较高、水平渗透系数大的含砂、含卵石等地层时,实施了水平深孔注浆加固端头软弱地层工艺,保证了盾构始发和到达端头洞门破除时土体的稳定性。
When the tunnel crosses through the sandy gravel stratum with higher water content and great permeability factors during the construction of Shenzhen Metro,end reinforcement at the soft stratum by horizontal deep-hole grouting is carried out,ensuring the stability of the soil mass upon the starting of the shield machine and upon the arrival at the end.
出处
《隧道建设》
2009年第S1期57-60,共4页
Tunnel Construction
关键词
水平深孔注浆
地铁
盾构
端头加固
砂层
horizontal deep-hole grouting
metro
shield machine
end reinforcement
sand layer
