A bituminous surface treatment (BST) is a chip seal or seal coat. It’s a liquid asphalt surface treatment with a thin layer of aggregate placed at a thickness of around 0.5 inches or less. BSTs are normally used on pavements ...
Tests on Bitument
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Bitumen Extraction Test

Bitumen Extraction Test is used to determine the percentage of bitumen content present in the asphaltic pavement by cold solvent extraction. The properties of flexible pavement such as durability, compatibility, and resistance from defects bleeding, raveling, and aging of flexible pavement ...
Marshall Stability Test – Flow Test on Bitumen

Mississippi State Highway Department formulated Marshall stability test – flow test on bitumen and is applicable to hot mix design of bitumen and aggregates of maximum size 2.5 cm. Bituminous concrete mix is commonly designed by Marshall Method. This test is ...
Flash and Fire Point Test on Bitumen

What is Flash and Fire point Test on Bitumen? Flash and Fire point test is conducted on bitumen to know the safe mixing and application temperature values of particular bitumen grade. Why it is Necessary? At higher temperatures bituminous materials ...
Specific Gravity of Bitumen

The specific gravity of semi-solid bituminous material, asphalt cements, and soft tar pitches shall be expressed as the ratio of the mass of a given volume of the material at 25 °C to that of an equal volume of water ...
VISCOSITY TEST FOR CUTBACK BITUMEN

AIM: To determine the viscosity of bitumen using tar viscometer APPARATUS: Tar viscometer, cup, valve, receiver, thermometer etc. THEORY: Viscosity is the inverse of fluidity. The degree of fluidity at the application temperature greatly influences the ability of bituminous material ...
Ring-Ball Test for Softening Point of Bitumen, Asphalt and Coal Tar

Ring and ball test is used to determine the softening point of bitumen, asphalt and coal tar. This test consists of two brass ring and two steel ball, using which the softening point of various bituminous materials are determined. Softening ...
Determine Ductility of Bitumen and its Suitability for Road Construction

Ductility of bitumen is its property to elongate under traffic load without getting cracked in road construction works. Ductility test on bitumen measures the distance in centimeters to which it elongates before breaking. Apparatus required, theory, procedure, precautions, observations, reporting ...