Research purposes:The Penyinla tunnel,in the railway line from Lhasa to Shigatse,is a diesel-hauled,extra-long tunnel with high altitude and extremely cold climate.One deviated well and three cross-holes were built in the process of construction.Under the conditions of special climate in tunnel zone from Lhasa to Shigatse,the influence of cross-holes on operation ventilation needs to be studied urgently.Based on detection value of emission index of NJ2 type diesel locomotives and the monitoring results of n...
【基金】
铁道部科技开发计划项目(20070301)
【更新日期】
2017-04-06
【分类号】
U453.5
【正文快照】
研究结论:(1)运营通风建议方案为2#、4#横洞排风,拉萨端、日喀则端、3#横洞进风;(2)结合防灾,选用射流风机,正洞内安装风机,开启后风向应与车行方向一致;(3)该研究结果对推进我国高原地区长大隧道运营通风技术的发展有着积极意义。Research conclusions:(1)The propositional p
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