ASTM D6032/D6032M-17 PDF

Standard Test Method for Determining Rock Quality Designation (RQD) of Rock Core (Withdrawn 2026)

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ASTM D6032/D6032M-17

Standard Test Method for Determining Rock Quality Designation (RQD) of Rock Core (Withdrawn 2026)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

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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...

ASTM D6032/D6032M-17 PDF

Abstract

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