Introduction

What is Earthing


-The process of earthing is to connect all the objects which could become charged to the general mass of the earth, to provide a path for electrical current and to hold the parts as close as possible to earth potential.
-For tying the electrical supply system to earth, supply transformer neutral conductor (Y point of 3 phase Supply) is connected to earth using an earthing electrode or the metal sheath and armouring of a buried conductor.

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PRESENTATIONOFEarthing System
abstract

In electricity supply systems, an earthing system defines the electrical potential of the conductors relative to that of the Earth's conductive surface. The choice of earthing system has implications for the safety and electromagnetic compatibility of the power supply. Note that regulations for earthing (grounding) systems vary considerably among different countries.

A protective earth (PE) connection ensures that all exposed conductive surfaces are at the same elec ....etc

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INTRODUCTION

GENERAL INTRODUCTION
Reinforcing old flexible pavements with concrete layers is called as whitetopping. It is a technique that deserves to be divided under to major’s procedures.
Construction of normal thickened slabs over the old pavement and the application of thin cement concrete layers (about 100 mm) with more closed joints, defining square shaped slabs.

Ther ....etc

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INTRODUCTION
The meaning of the term earthing or grounding is to connect the electrical equipment to the general mass of earth by wire of negligible resistance. This brings the body of the electrical equipment to Zero potential and thus will avoid the shock to the operator. The neutral of the supply system is also solidly earthed to ensure its potential equal to Zero according to Indian Electricity Eale,[?The earthed or connected with earth means connected with the general mass of the earth in such manner as to sure at ....etc

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Bentonite and applications

Electrical grounding applications of bentonite as a material improvement (there was-ji m) has been
Checked. Bentonite clay which has a tendency to absorb and retain water is a type of, and
Swells. This property is that they improve the grounding system creates desirable in applications for
The instability of the ground resistance over a long period as well could result in
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