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What is Large Flat Jack Deformability Testing about?

The document describes the large flat jack technique for determining the deformability of rock masses in situ. Key points: 1. Flat jacks are inserted into slots cut into the rock mass using a saw or drilling. Pressure is applied and displacements are measured at points on the slot walls. 2. Advantages include testing a larger rock volume than other methods and applying pressures up to 20 MPa. Disadvantages require specialized equipment and skilled labor to cut slots. 3. The procedure involves selectin

Author

David Almanza Perez

Language

EN