ASTM D 4623-2008 标准详情
- 标准号:ASTM D 4623-2008
- 中文标题:用钻套法-美国矿务局(USBM)钻孔变形计现场测定岩石质量的标准试验方法
- 英文标题:standard test method for determination of in situ stress in rock mass by overcoring method-usbm borehole deformation gauge
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2008-07-01
Either virgin stresses or the stresses as influenced by an excavation may be determined. This test method is written assuming testing will be done from an underground opening; however, the same principles may be applied to testing in a rock outcrop
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