1) Tunnel Entrance Heading Slope
隧道洞口仰坡
4) tunnel entrance
隧道洞口
1.
The practical method of tunnel entrance landscape design and its design procedure are presented in this paper.
提出了隧道洞口景观设计的实用方法及设计流程,并重点讨论了目前洞口景观设计的重要性和发展趋势;设计中如何采集洞口景观数据及如何利用洞口景观数据库;以及如何进行洞口景观点评价等在设计中应注意的几个问题。
2.
For ensuring the stabilization of slope around tunnel entrance, the tunnel design criterion gives out the definite demands to solpe gradient and excavating high, but these demands are confined only the sort of surrounding rock, can not judge the influence of layer property of surrounding rock and ground water.
为了保证隧道洞口边仰坡的稳定 ,隧道设计规范对刷坡坡率和开挖高度有一定的控制要求 ,但这种要求仅局限于围岩的类别 ,而对围岩的层理性状和地下水对坡体稳定性的影响不能作出判断。
3.
Research purposes:The construction of tunnel entrance is the key part of the whole engineering.
研究目的:隧道洞口段施工是整个隧道工程施工的关键。
5) tunnel portal
隧道洞口
1.
Research purposes: Yichang-Wanzhou railway has 159 tunnels and 150 tunnel portals.
研究结论:隧道洞口发生滑坍除地质原因外,勘察资料不准确和不能及时进行方案完善是设计方面的主要原因,未按设计施工、未及时提出变更、施工方法不当、监控量测不及时是施工方面的主要原因。
2.
Because of the influence of the engineering geologic condition, hydrogeological condition and artificial factor, it is easy to have landslide at tunnel portal.
由于受工程地质条件、水文地质条件及人为因素等影响,隧道洞口施工过程中易发生洞口滑坡。
3.
This paper has studied a rockbolt-lattice strengthening technology and its functional mechanism and construction technology used in ahigh slope of the Xiaowang tunnel portal,this study presents that it s a good method to apply the rockbolt-lattice strengthening technology to strengthen thehigh slope of the tunnel portal.
针对肖王隧道洞口段高路堑边坡特点,通过稳定性分析,研究并提出了锚杆+格构加固技术在高边坡处治中应用的工作机理、施工技术及要点,研究表明,锚杆+格构加固技术在隧道洞口高边坡处治中取得了良好的应用效果,研究成果可供相关工程借鉴和参考。
6) Tunnel portals
隧道洞口
1.
While road tunnel construction is developing quickly, there are also many severe tests, in which construction of tunnel portals is always an emphasis and difficult point.
公路隧道施工建设在迅猛发展的同时也正面临着严峻的考验,洞口施工素来是隧道工程施工中的一个重、难点,洞口段与其他地段相比有着自身的特点:隧道洞口段围岩一般风化较重,节理、断层、破碎带多且经常存在严重的浅埋偏压现象。
补充资料：仰仰
1.同"昂昂"。 2.气概轩昂貌。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条