The Constructor - Civil Engineering Home for Civil Engineers

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VICKERS HARDNESS TEST

AIM To determine the Vickers Hardness number for the given specimen. EQUIPMENT Vicker’s hardness tester, pyramid indentor DESCRIPTION OF THE MACHINE The body of the machine is closed by covers and the mechanism inside the machine is thus protected from chart and extraneous elements. The ...

STRUT TEST

AIM To find the Euler’s buckling load of the strut. EQUIPMENT Strut Testing Apparatus, Venire Caliper Scale DESCRIPTION OF MACHINE The machine is so designed as to carry out tests on struts of various lengths, with ends either hinged or fixed. The instrument consists ...

BENDING TEST ON WOODEN BEAM

AIM To determine the Young’s Modulus E of wood and the Modulus of Rupture by conducting bending test. EQUIPMENT UTM, device for Appling load and scale THEORY AND PRINCIPLE For a simply supported beam with central loading, deflection under the load is given by ...

STUDY OF UNIVERSAL TESTING MACHINE

INTRODUCTION Universal testing machine (UTM) is called so because of the versatility of its application. The following tests can be performed with it:- 1. Tension Test. 2. Compression Test. 3. Bending Test. 4. Hardness Test. DESCRIPTION OF UTM The Universal Testing Machine consists of two main parts, ...

BRINELL HARDNESS TEST

AIM To determine the Brinell Hardness number HB of the given specimen. EQUIPMENT Brinell hardness tester RAB-250, Brinell microscope and indentors (2.5mm and 5mm ball) DESCRIPTION OF MACHINE The Brinell Hardness Tester consists of a loading system, a main screw and a dial gauge. The ...

VERFICATION OF CLERK MAXWELL’S RECIPROCAL THEOREM

AIM To verify clerk- Maxwell’s Reciprocal Theorem and to determine the Young’s modulus of beam arterial of the apparatus EQUIPMENT REQUIREDClerk-Maxwell’s reciprocal’ theorem apparatus Tire weight Dial gaugeTHE THEOREM Clerk-Maxwell’s reciprocal theorem state that in a linearly elastic structure, the deflection at any point. A ...

SPRING TEST

AIM To determine the modulus of rigidity (Shear modulus) of the material of the spring. EQUIPMENT I. Spring Testing Machine, 2. Dial gauge. DESCRIPTION OF THE MACHINE The spring testing machine has two uprights fixed to a rigid base and three cross heads. The upper ...

TORSION PENDULUM TEST

AIM To determine the shear modulus of the material of the given wire. EQUIPMENT 1. Torsion Pendulum. 2. Cylindrical wire. 3. Stop watch. 4. Venire Calipers. 5. Screw gauge. 6. Meter scale. SPECIMEN Steel wire, brass wire. TORSION PENDULUM APPARATUS The torsion pendulum apparatus consists of a (1) Torsion ...

SOIL INVESTIGATION AND EXPLORATION

The purpose of site investigation is to get clear information about the soil and hydrological conditions at the site. Site reconnaissance It means the inspection of the site and study of topography to get a proper information about the soil and ground ...

PHYSICAL REQUIREMENTS FOR ADMIXTURES

  Physical requirements for accelerating, retarding, water reducing and air-entraining admixtures Note: AA – Accelerating Admixture RA – ...