本文選題：隧道施工 + 不良地質�。� 參考：《建筑技術》2017年06期

【摘要】：北京地鐵10號線二期宋家莊站至石榴莊站區(qū)間隧道。穿越污水管斷裂區(qū)域及隧道拱頂富水粉細砂層,施工中采用后退式注漿進行全斷面、半斷面和徑向深孔注漿,對掌子面和拱頂范圍地層進行注漿加固,減少了開挖風險,保證了地面道路及建筑物的沉降在允許范圍內。
[Abstract]:The two phase of Beijing Metro Line 10 is the section tunnel of Song Jia Zhuang Railway Station to shgranzhuang station. Through the fracture area of the sewage pipe and the fine sand layer of the water rich powder in the tunnel vault, the backstepping grouting is used to carry out the full section, half section and radial deep hole grouting, and grouting reinforcement for the strata of the palm and vault, reducing the risk of excavation and ensuring the ground road. The settlement of the building is within the allowable range.

【作者單位】： 北京建工土木工程有限公司;
【分類號】：U455.49
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本文編號：1779733