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05.
TRANSPORTATION ENGINEERING-1 LAB
S.
NO.
EQUIPMENT
REQUIRED
1
Ring and Ball
Apparatus
Aim: to
determine 10%
final value
2
Los Angles
Abrasion
Machine
SPECIFICATION
APPROX.
QTY.
RING AND BALLAPPARATUS (ELECTRICAL)
IS : 1205- 1985, IP : 58/63
The apparatus should used to determine softening point
of bitumen. Ring and ball apparatus should used to
determine softening point. It is that temperature at which
a sample of bituminous material loaded by a 9.5mm dia
steel ball drops at a distance of 25mm.
Specifications: The apparatus should consists of steel
bracket with a sliding plate support. The support has two
holes of 10mm dia on which a Ring and Ball guide can
be kept. A central hole on this plate is for inserting
thermometer. with a glass beaker approximate 8.5cm.
I.D., 12cm high and a hand stirrer and 2 nos. 9.5mm dia
steel balls thermostatic hot plate. suitable for operation
of 230V A.C. . as per ISI/BIS/ISO standard and ISI
mark...
The machine consists of a hallow cylinder mounted
horizontally on a sturdy frame on ball bearings. There is
an opening which can be closed with a dust tight cover to
facilitate charging and discharging the drum with the
material under test. A detachable shelf which extends
throughout the inside length of the drum which catches
the abrassive charge and does not allow it to fall on the
cover. The drum is rotated by an electric motor through a
heavy reduction gear at a speed of 30-33 r.p.m. A
revolution counter is fitted to the frame. A tray is
supplied for collection of the material at the end of the
test. Complete with abrassive charges consisting of a set
of twelve hardened steel balls, approximately 48mm dia.
Suitable for operation on 440 volts, 3 phase, 50 cycles,
A.C. supply. as per ISI/BSI/ISOstandard and ISI mark..
1
1
QUOTED
UNIT
PRICE (Rs.)