##### Flash and Fire Point Test

Objective: To assess the flash and fire point of bitumen Apparatus Special container with thermometer Theory Bituminous material trails out volatiles at high temperatures relying on their review. These unstable vapors discover fire creating a blaze. The flash point is the most reduced temperature at which streak happens because of start of unstable vapors when […]

##### Ductility of Bitumen

Objective (i) To compute the ductility of a specific specimen of bitumen (ii) To assess the suitability of bitumen for its application in road construction. Apparatus The apparatus as per IS: 1208-1978 comprises of Briquette mould: It is created out of brass. Circular holes are made at ends known as clips to grasp the stationary […]

##### California Bearing Ratio Test

Objective: To assess the California Bearing Ratio (CBR) value of the subgrade soil. Apparatus Loading machine-any compression could function at constant rate of 1.25mm per minute could be utilized. Cylindrical moulds- moulds of 150mm diameter and 175mm stature given with a collar of about 50mm length and removable punctured base. Compression rammer, surcharge weight-annular weights […]

##### Verification of Clerk Maxwell’s Reciprocal Theorem

Objective: To verify Clerk- Maxwell’s Reciprocal Theorem and to assess the Young’s modulus of beam arterial of the apparatus. Tools and Equipment Clerk-Maxwell’s reciprocal’ theorem apparatus Tire weight Dial gauge Theorem The Clerk-Maxwell’s reciprocal theorem states that in case of a linearly elastic structure, the deflection may occur at any point. A. Because of load […]

##### Specific Gravity of coarse and fine aggregates

Objective: For assessment of the specific gravity of specified specimen of fine and coarse aggregates. Specific gravity of coarse aggregate Apparatus An equilibrium or scale of volume of minimum 3 kg, decipherable and precise to 0.5 g and it has to be of such shape and kind that it allows the basket holding the specimen […]

##### Soundness of Cement

Objective: To assess the soundness of cement by Le-chatelier Method Apparatus Le chatelier mould The mould comprises of a very minute split cylinder made out of spring brass or some other compatible metal of 0.5mm density creating of a mould 30mm interior diameter and 30mm height. On both sides of the split, they are joined […]

##### Aggregate Impact Test

Objective: For assessment of toughness property of aggregates for the concrete construction Tools and Equipment Impact Testing Machine Description of Machine Pendulum impact Testing Machine basically comprises of the strong frame structure, the sample sustenance along with the measuring and computing dial. The pendulum shaft is connected in the anti-friction bearings. After that, the pendulum […]

##### Torsion Pendulum Test

Objective: For assessment of shear modulus of material of specified wire Tool and equipment 1. Torsion Pendulum. 2. Cylindrical wire. 3. Stop watch. 4. Venire Calipers. 5. Screw gauge. 6. Meter scale. Sample Brass wire Steel Wire Torsion Pendulum Apparatus The torsion pendulum apparatus basically comprises of a Torsion pendulum laden in the foam of […]