ASTM D6032/D6032M-17
Standard Test Method for Determining Rock Quality Designation (RQD) of Rock Core (Withdrawn 2026)
Standard Test Method for Determining Rock Quality Designation (RQD) of Rock Core (Withdrawn 2026)
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Дата публикации:
- 16 июня 2026 г.
- SKU:
- ASTM D6032/D6032M-17
Abstract
Significance and Use 5.1 The RQD was first introduced in the mid 1960s to provide a simple and inexpensive general indication of rock mass quality to predict tunneling conditions and support requirements. The recording of RQD has since bec...
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