Specifications include, but are not limited to: 2.1 KYCT Testing Equipment. The Department will require a Marshall Test Press with digital
recordation capabilities. Other CT testing equipment may be used for testing with prior approval by the
2.2 Water Baths. One or more water baths will be required that can maintain a temperature of 77⁰
F with a digital thermometer showing the water bath temperature. Also, one water bath shall
have the ability to suspend gyratory specimen fully submerged in water in accordance with AASHTO T166, current edition.
2.3 Hamburg Wheel Track Testing. The department encourages the use of the PTI APA/Hamburg Jr.
test equipment to perform the loaded wheel testing. The Department will allow different equipment for
the Hamburg testing, but the testing device must be approved by the Department prior to testing.
2.4 Gyratory Molds. Gyratory molds will be required to assist in the production of gyratory
specimens in accordance with AASHTO T-312, current edition.
2.5 Ovens. Adequate (minimum of two ovens) will be required to accommodate the additional
molds and asphalt mixture necessary to perform the acceptance testing as outlined in Section 402 of the
Kentucky Standard Specifications for Road and Bridge Construction, current edition.
2.6 Department Equipment. The Department will provide gyratory molds, PINE 850 Test Press with
digital recordation, and CT testing equipment to assist during this experimental phase so data can be
gathered. Hamburg test specimens will be submitted to the Division of Materials for testing on the PTI
APA/Hamburg Jr if the asphalt contractor or district materials office does not have an approved
Hamburg testing device