HIGHWAY ENGINEERING LABORATORY
Lecturer in Charge : Prof. W. K. Mampearachchi
Technical Officer in Charge : Mr. T. P. D. G. Indika Yohan
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Equipment |
Application |
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Vehicle Bump Indicator |
To determine the road roughness using a vehicle - mounted indicator |
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Marshall Tester |
To design asphalt concrete mixes ASTM D 1559:89 |
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Dynamic Cone Penetrometer (Field CBR) |
To determine rapid in-situ measurements of the structural properties of road pavements.Penetrometerconstructed with unbound materials, TRL (Transportation Research Laboratory) Road Note 31:1993 |
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Sand Equivalent Test |
For determining the theoretical maximum specific gravity of uncompacted bituminouspaving mixtures & the percent air voids in compactedbituminous mixtures and the amountof bitumen absorbed by aggregates. |
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Softening Point Apparatus |
To determine the softening point of asphalt ASTM D36:76 |
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Rice Test Apparatus |
Density measurement of asphaltic mixtures |
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Flash Point Tester |
To determine the point of the bituminous binder |
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Saybolt Viscosity Set |
For measuring the Saybolt viscosity of bituminous emulsion ASTM D 244-89 |
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Penetration Set |
The penetration of bituminous binder ASTM DS: 86 |
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Aggregate Impact Value (AIV) Test Equipment |
To determine the toughness of aggregates |
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Solubility Set |
To determine the purity of asphalt cement. |
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Ductility Set |
To measure ductility on a representative portion of Bitumen = ASTM DI 13: 86 |
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Residue by Distillation Set |
Quantitative determination of residue and oil distillate in asphalt emulsionASTM D 244:89 |
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Asphalt Binder Analyser |
To estimate the bitumen content of Asphalt |
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Rotary evaporator |
To recover asphalt from a solvent |
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Thin film oven |
To determine the effects of heat and air on a film of semisolid asphaltic material |
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Kinematic Viscometer |
To determine the Kinematic Viscosity of liquid asphalt (bitumen), road oils anddistilledresidues of liquid asphalts at 600 C and for asphalt cement at 1350 C |
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Centrifugal Extractor |
To determine bitumen in hot mixed paving mixtures and pavement samples. |