It gives a Polished Stone Value
for aggregates to be used in road surfaces and
provides a measure of the resistance to skidding.
Features:
• Machine polishes samples of aggregates,
simulating actual road conditions
• Meet the specifications of British standards
& ASTM
• Predetermined revolution counter
• Specimens manufactured and easily removed
from accurately machined moulds
• Specimens located on ‘Road Wheel’
by rubber rings and held by simple side fixing
• Tyred wheel easily removed for replacing
tyres
• Used abrasive and water collected in
removable tray
• Loaded tyre raised and lowered to the
running surface by mechanical lifting device
Specifications:
• Width 73 81 cms x Depth 63 79 cms x Height
(Frame) 79 123 cms
• Height (Water Tank) 155 cms
• Fourteen specimens are clamped around
the ‘road wheel’ of the PSV machine
• Subjected to two stages of polishing
by a loaded rubber tyre
Use of machine in road construction has a major
influence in reduction of accidents.
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