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1.1 This test method is used to determine the in situ modulus of deformation of rock mass by subjecting a test chamber of circular cross section to uniformly distributed radial loading; the consequent rock displacements are measured, from which elastic or deformation moduli may be calculated. The anisotropic deformability of the rock can also be measured and information on time-dependent deformation may be obtained.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| ICS | 93.020 : Earthworks. Excavations. Foundation construction. Underground works |
| Number of pages | 7 |
| Replace | ASTM D4506-13 |
| Set | ASTMVOL0408 |
| Year | 2013 |
| Document history | ASTM D4506-13 |
| Country | USA |
| Keyword | ASTM 4506;ASTM D4506;ASTM D4506;10.1520/D4506-13E01 |