Name different bitumen tests and their uses.

The name of different bitumen tests and their uses are as follows

In this article, I mentioned the names of various tests used for testing bitumen and their uses.

Following are some tests conducted to assess the quality and properties of bitumen.

Name of the Bitumen test	Description
Penetration Test	Determines the hardness or consistency of bitumen by measuring the depth in tenths of a millimeter that a standard needle penetrates the bitumen sample under specified conditions.
Softening Point Test	Determines the temperature at which bitumen becomes soft enough to allow a standard ball to fall a specified distance under controlled conditions.
Ductility Test	Measures the elongation and deformation properties of bitumen by determining the distance in centimeters to which a standard briquette can be stretched before breaking.
Flash Point Test	Determines the lowest temperature at which bitumen vapors can momentarily ignite when exposed to an open flame or spark.
Fire Point Test	Determines the temperature at which bitumen vapors sustain combustion and continue to burn for at least 5 seconds.
Solubility Test	Determines the solubility of bitumen in a specific solvent, such as trichloroethylene or carbon disulfide, to assess its purity and consistency.
Thin-Film Oven Test (TFOT)	Evaluates the effect of heat and air on bitumen aging by subjecting a thin film of bitumen to elevated temperatures in an oven for a specified duration.
Rolling Thin-Film Oven Test (RTFOT)	Similar to the TFOT, but involves rolling a bitumen film on a rotating drum to simulate aging under heat and air exposure.
Rotational Viscosity Test	Measures the viscosity of bitumen at specific temperatures and shear rates using a rotational viscometer.
Dynamic Shear Rheometer (DSR)	Evaluates the viscoelastic properties of bitumen, including complex shear modulus, phase angle, and rutting potential, under dynamic loading conditions.
Bending Beam Rheometer (BBR)	Measures the low-temperature stiffness and flexibility of bitumen by subjecting a bitumen beam to a controlled bending force and measuring the resulting deflection.
Pressure Aging Vessel (PAV)	Simulates long-term aging of bitumen by subjecting it to high temperatures and pressure in a sealed vessel, allowing for the evaluation of its aging resistance and long-term performance.