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1.1 This test method covers the determination of the ambient local stresses (principal and secondary) in a rock mass and the equipment required to perform in situ stress tests using a three-component borehole deformation gauge (BDG) that was developed by the U.S. Bureau of Mines (USBM); see Note 1.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| ICS | 93.020 : Earthworks. Excavations. Foundation construction. Underground works |
| Number of pages | 16 |
| Replace | ASTM D4623-08 |
| Set | ASTMVOL0408 |
| Year | 2016 |
| Document history | ASTM D4623-08 |
| Country | USA |
| Keyword | ASTM 4623;ASTM D4623;ASTM D4623;10.1520/D4623-16 |