Comprehensive treatment technology of ventilation, dust -alleviation and purification was successfully applied in the mechanized construction of Lei Gongshan tunnel on Beijing-Jiulong Railway Line.
京九铁路雷公山隧道机械化施工中应用施工通风降尘净化综合治理技术获得成功。
2
More and more inclined shafts are built in order to meet the need of tunnelventilation or speeding up the tunnel's construction progress.
为了满足隧道运营通风需要或为了加快隧道施工进度，设置斜井的情况越来越多。
3
Whether the ventilation system is designed reasonable or not can significantly affects the construction of long highway tunnel for its high cost in economy and energy.