Test Results

Labour Based Insitu-Asphalt Technical Data


Insitu-Asphalt is a formulated mixture of inert fillers, bitumen extenders and binder enhancers designed to be blended with selected aggregates and water based bituminous emulsion in the manufacture of asphalt for general road surfacing and repair. The final asphalt mix is designed to conform to TRH 8 specifications for ‘fine or medium continuously graded asphalt’. Being a process carried out at ambient temperatures utilising bitumen emulsion, Insitu-Asphalt is especially suited to labour-based surfacing operations.


Typical Test Results

Insitu-Asphalt TRH8 Specification
Binder Content 5.5 5.5 – 5.8
VMA 15.2 >14
VIM (%) 5.4 3 – 6
Air permeability x 10-8 (cm2) 0,2 < 1,0
Marshall stability (kN) 8.5 > 8
Marshall flow (mm) 3.2 2 – 4
Stability/flow 2,7 > 2.5
I.T.S ( indirect tensile strength) 1074 > 800
Immersion index (%) 86 >75


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