6

Gantry Girder

6.1 Introduction

Usually, most of the industrial buildings have built-in overhead cranes for handling heavy equipment or goods. With the help of the overhead cranes, heavy equipment or goods can be lifted and moved from one point of work place to another. The cranes may be hand operated (generally they have a capacity of up to 5 tonnes) and electrically operated (EOT). A typical EOT crane system is shown in Figure 6.1.

 

Over-head crane system

 

Figure 6.1 Over-head crane system

 

The crane system consists of a crane bridge with two parallel girders spaced at a fixed distance apart known as a wheel base. The crane bridge which has a set of wheels at ...

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