AIM: To determine the specific gravity of given sample of bitumen APPARATUS: Pycnometer and balance THEORY: Specific gravity of bituminous material is defined as ratio of mass of given volume of substance to the equal volume of water, temperature of both being 27°C. PROCEDURE: The specific gravity ...

## 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 to spread, penetrate into voids ...

## SOFTENING POINT OF BIUMINOUS MATERIAL

AIM: To determine the softening point of bitumen/ tar. APPARATUS: (i) The ring and ball apparatus consisting of (a) Steel balls-two numbers each of 9.5 mm diameter weighing 3.5 ± 0.05 g. (b) Brass rings-two numbers each having depth of 6.4 mm. The inside diameter ...

## DUCTILITY OF BITUMEN

AIM: (i) To measure the ductility of a given sample of bitumen (ii) To determine the suitability of bitumen for its use in road construction. APPARATUS: The apparatus as per IS: 1208-1978 consists of (i) Briquette mould: It is made of brass. Circular holes ...

## PRESTRESSED CONCRETE DESIGN- BOOK

Download the book on PRESTRESSED CONCRETE DESIGN chapter wise and topic wise. 1 – Introduction Introduction Advantages and Types of Prestressing Pre-tensioning Systems and Devices Post-tensioning Systems and Devices Concrete (Part I) Concrete (Part II) Prestressing ...

## ANALYSIS OF TRUSS WITH EXAMPLES

Learn truss analysis methods with examples. Analysis of truss by the methods of joints and by the methods of section is explained in the article. We know the basics of equilibrium of bodies; we will now discuss the trusses that are ...

## SHEARING STRENGTH OF SOILS & TESTS

Shear strength may be defined as the resistance to shearing stresses and a consequent tendency for shear deformation. Soil derives its shearing strength from the followingresistance due to interlocking of particles frictional resistance between the individual soil grains adhesion between soil ...

## DOUBLE SHEAR TEST ON MILD STEEL

AIM To determine the shear strength (ultimate shear stress) of the mild steel specimen supplied using double shear method. EQUIPMENT UTM, Shear attachment to the UTM, shear dies and Venire Calipers. THEORY AND PRINCIPLE Shear strength of the material is the ultimate shear stress (...

## AGGREGATE IMPACT TEST

AIM To study the toughness property of the aggregates for concrete construction. EQUIPMENT Impact testing machine: DESCRIPTION OF MACHINE The Pendulum impact Testing Machine consists of the robust frame, the specimen support and measuring dial. The pendulum shaft is fitted in anti friction bearings. ...

## TENSION TEST ON STEEL ROD

AIM To study the behavior of mild steel, tore steel and high tensile steel under tension and find out the Young’s Modulus, Ultimate strength, percentage elongation EQIPMENT UTM, Extensometer, scale Venire calipers, punching tools etc. DESCRIPTION OF MACHINE The machine consists of 2 main units, ...