The influence of marco texture of granite aggregates to pavement skid resistance / Tuan Juliana Tuan Sulong

Tuan Sulong, Tuan Juliana (2005) The influence of marco texture of granite aggregates to pavement skid resistance / Tuan Juliana Tuan Sulong. [Student Project] (Unpublished)


The Polished Stone Value (PSV) of aggregates gives a measure of resistance to the
polishing action of vehicle tires either under dry or wet conditions similar to those
occurring on the surface of a road. The aggregate properties are the main factors affecting
the pavement skid resistance. Resistance to this polishing action is determined principally
by the inherent qualities of the aggregate itself. Besides, pavement macro texture is
necessary to prevent hydroplaning by helping water escape from the tire-pavement
The study focuses on the measuring of the Polished Stone Value of granite aggregates
from 3 quarries in Penang, those are Kuad Quarry Sdn. Bhd., Saw Chong Teik Quarry
Sdn. Bhd. and Foo Yen Soo & Sons Quarry Sdn. Bhd. 6 specimens of granite aggregates,
which will be performed for Polished Stone Value and skid resistance test, were assessed
from each quarry while three other major tests were carried out. The tests include
aggregate properties test, sand patch method test and petrographic test. PSV is
determined and the results for every sample were then analyzed and discussed.
The granite aggregate used in this research has a mineral composition of feldspar (50%),
quartz (25%), biotite (15%) and matrix (10%) according to petrographic test, thus
noticeable that the aggregate used is Porphyritic Biotite Granite. The result on PSV
shows variance. The skid resistance of a wide range of dry surfaces shows high and fairly
constant value. However, the skid resistance drops as the surfaces get wet. The pattern of
PSV in wet condition is almost as same as in dry condition but the values of skid
resistance number reduce to almost 39% to 41% from dry to the wet condition. Because
pavement skid resistance is tied to surface macro texture, it is important to measure the
texture depth and relating it with skid resistance number. Hence, the correlation between
skid resistance value and average texture depth were made and shows a very dependent
characteristic. As the average texture depth is getting deeper, a higher value of skid
resistance will be shown for that aggregates.


Item Type: Student Project
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Tuan Sulong, Tuan Juliana
Subjects: T Technology > TA Engineering. Civil engineering > Dynamic loading conditions. Structural dynamics. Vibrations
T Technology > TA Engineering. Civil engineering > Earthwork. Foundations
Divisions: Universiti Teknologi MARA, Pulau Pinang > Permatang Pauh Campus > Faculty of Civil Engineering
Keywords: Marco texture, Granite aggregates
Date: April 2005
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