Traditional Culture Encyclopedia - Traditional customs - What is the essential difference between NATM and mining method in tunnel construction? Here comes the man of insight.
What is the essential difference between NATM and mining method in tunnel construction? Here comes the man of insight.
NATM usually does not carry out secondary lining after the initial support, because the secondary lining will increase the construction difficulty and cost, and the initial support of NATM is enough to ensure the safety and stability of the tunnel. However, in some special circumstances, such as when the tunnel crosses the earthquake zone or has strict environmental requirements, secondary lining reinforcement may be needed.
For mining construction, steel frame is often used for initial support to strengthen the stability of initial support and prevent rock caving and mud. At the same time, this mining method usually carries out secondary lining reinforcement after the initial support to further improve the safety and stability of the tunnel. Compared with NATM, the mining method pays more attention to the strong support of rock mass, rather than making full use of the self-supporting capacity of rock mass.
- Related articles
- What's the date in the East?
- What kind of major is e-commerce?
- How to brew Y wine?
- How much do you know about couplets?
- Teach you how to read palmistry fortune telling
- The most comprehensive text message on World Diligence Day?
- Top Ten Machine Vision Companies Ranking
- What magical things are there in the world, such as the curse of the Pharaoh and the wonders of the pyramids?
- How many Altmen are there in China?
- Geography examination combined with traditional culture