Report No. : GEO Report No. 49

Report Title : AAR Potential of Volcanic Rocks from Anderson Road Quarries (1995), 78 p.

Author : W.C. Leung, W.L. Tse, C.S. Mok & S.T. Gilbert


In mid-1991, at the request of the Quarries Section of the Office, the Public Works Central Laboratory (PWCL) of the Materials Division commenced an investigation into the alkali-aggregate reaction potential of the volcanic rocks from the Anderson Road Quarries. The main objective of the investigation is to provide information for the evaluation of the suitability of the use of such rocks as aggregates in concrete. This report presents the results obtained from petrographic examination, chemical tests, mortar bar tests and accelerated mortar bar tests.

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