Materials Testing
Category
The AIV apparatus consists of a hammer with a trip action release, mould and automatic blow counter. All this is contained within a rigid frame to ensure free-fall of the hammer when released. To determine the Aggregate Impact Value (AIV) of aggregates which provides a relative measure of the resistance of an aggregate to sudden …
Aggregate Crushing ValueRead More
This unit automatically compacts the specimen and comes to a stop when the pre-set number of strokes set on the automatic digital display counter has completed. The trip mechanism ensures that the sliding hammer falls from the same height for every blow into the mould, which is held in position by a clamping device. The …
Automatic Marshall CompactorRead More
Additional items required to perform the test such as load ring, flow dial gauge, breaking head stability mould etc. are not supplied as part of the Marshall load frame. The Marshall machine is a motorised load frame specifically designed to carry out Marshall tests. It is a bench-mounted system with a motorised drive. The speed …
Marshall Test Load FrameRead More
The Marsh Funnel is a simple device for indicating viscosity on a routine basis. When used with a measuring cup the funnel gives an empirical value for the consistency of a fluid. The number obtained depends partly on the effective viscosity at the rate of shear prevailing in the orifice, and partly on the rate …
Marsh Funnel ViscometerRead More