SYMPOSIA PAPER Published: 01 January 1993
STP15942S

Petrographic Examination of Large Stone for Durability

Source

The ASTM Standard Guide for Petrographic Examination of Aggregate for Concrete (C 295) includes provisions appropriate for the examination of large stone in Section 11.1 on Ledge Rock. That standard outlines procedures to be used. In this paper information obtained from petrographic examination is shown to be very helpful in estimating rock quality particularly among sedimentary rock types. Composition and microstructure characteristic of satisfactory rock and of unsatisfactory rock are identified. Evaluations based on experience continue to be important.

Author Information

Wong, GS
Structures Laboratory, US Army Engineer Waterways Experiment Station, Vicksburg, MS
Lutton, RJ
Geotechnical Laboratory, US Army Engineer Waterways Experiment Station, Vicksburg, MS
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Details
Developed by Committee: D18
Pages: 94–109
DOI: 10.1520/STP15942S
ISBN-EB: 978-0-8031-5232-8
ISBN-13: 978-0-8031-1489-0