Rock Field Tests
Rock field tests as discussed here do not refer to tests performed with portable devices that can be used in the field such as the Schmidt hammer or the point load test device. Rock field tests only refer to tests that have to be performed on the ground surface, underground openings, and boreholes to characterize deformability and in situ stress. The following is a summary of International Society for Rock Mechanics (ISRM)-suggested methods for rock field tests (Ulusay and Hudson 2007).
Designing subsurface or on-surface civil engineering structures requires a sound knowledge of rock mass deformability and in situ stress of rock mass. Both deformability and in situstress are controlled by discontinuities in rock and tectonic (paleo or active) stress at the site of proposed construction. Therefore, it is necessary to devise field-testing methods that can be performed inside underground openings, inside boreholes, and on the ground surface. Deformability of a...
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