Shaft Sinking Methods: Caisson Method and Cementation Method | Shaft Sinking | Mining Technology

Ordinary methods of shaft sinking are not suitable in some cases and special methods have to be adopted under the following conditions: 1. Loose or unstable ground, such as sand, mud, etc. 2. Excessively watery strata. 3. A combination of the above two. The special methods are: 1. The Piling System 2. Caisson Methods 3. Freezing Method 4. Cementation Process [...]