Highways Agency Report

             Shelfmark: SSR/TRL/TP5
       Personal author: Sibbick R G
                 Title: Petrographical analysis of an Oxfordshire sand
             Publisher: Transport and Road Research Laboratory, 1990
  Physical description: 7p., charts lWorking Paper on polished stone values
                 Price: Unpriced
                Series: TRRL Technical Paper: MC/TP/70/90
       Notes - general: a petrographical examination has been made of an
                        Oxfordshire sand that is being considered for use as
                        the fine aggregate in Ralumac surfacing.  It was found
                        that the composition of the sand is  almost entirely
                        particles of limestone and limestone debris with only
                        6% of quartz present.  It is suggested that the
                        proportion of quartz in the sand should be increased
                        in order to provide the  desired skid-resistant matrix
                        microtexture.  A comparison is made between the
                        Oxfordshire sand and the morainic sand presently used
                        in Ralumac surfacing.
               Keyword: Material (Construction)
 TRRL TECHNICAL PAPER TRRL TECHNICAL PAPE
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