A robot is a reprogrammable, multifunctional manipulator designed to move materials, parts, tools or specialized devices through variable programmed motions for the performance of a variety of tasks.There is a growing interest in the employment of robots in construction. Robots are employed today in welding, painting, assembling, palletizing, casting and forging, loading and unloading, inspection of products and other industrial task. They are also employed in special hazardous task such as disposal of explosives; work in space, under water or in contaminated environments.
The development of robots has been justified on the grounds of productivity, safety and quality. For the construction industry, a primary motivation has been the prospect of gaining competitive advantage through lower input costs.The benefits of robots in construction are:
· To improve working conditions on site
· To improve the efficiency of the building process, quality, shorten the construction time and reduce cost
· To save construction labor and then reduce the shortage of workers
In construction, robots are designed specifically for building construction and maintenance work. But in the industry every new project is unique in its working nature. Hence robots are fabricated according to a particular task which is to be performed.
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