The profile of the Lijiagou Road Tunnel carried out the short bench and full face excavation. The re bar net preliminary lining mould shotcrete and preliminary and anchor shotcrete are used for support by the use of the semi wet spraying method with sand entrapped in cement. The lining is completed in two steps. Smooth surface blasting is performed.
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葛克水 刘京平 吴新民.河北省李家沟公路隧道施工设计[J].钻探工程,2000,(5):77-78.GE Ke shui, LIU Jing ping. Hebei Lijiagou Road Tunnel Construction Design[J]. Drilling Engineering, 2000,(5):77-78.