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                     Now a day, infrastructure development is very fast growing, for that the use of R.C.C construction machinery is very widely used, but in any R.C.C construction machinery proper Mixing of raw material for Concrete is major problem. Proper mixing of raw material is important task in any construction, for that we are use latest equipment which are mechanically and hydraulically combined operated mostly. DESIGN OF OPEN HYDRAULIC JACK AND ANALYSES is one of them which are operated by two prime movers one prime mover is use for hydraulic system operation for operating the hoper and other for operating drum for proper mixing of concrete. The work presented herein is mainly divided into the three chapters. The first chapter introduces the concrete benching mixing machine with problem formulation and provides motivation for the project. The second chapter presents the current state of mixing machine research as presented in the form of scientific literature review.

hydraulic jack model
Fig. Hydraulic Jack 

Definition Of Hydraulic Jack:-

A hydraulic jack is a device used to lift heavy loads. The device itself is light, compact and portable, but is capable of exerting great force. The device pushes liquid against a piston; pressure is built in the jack's container. The jack is based on Pascal's law that the pressure of a liquid in a container is the same at all points.


A hydraulic jack is a jack that uses a liquid to push against a piston. This is based on Pascal’s Principle. The principle states that pressure in a closed container is the same at all points. If there are two cylinders connected, applying force to the smaller cylinder will result in the same amount of pressure in the larger cylinder. However, since the larger cylinder has more area, the resulting force will be greater. In other words, an increase in area leads to an increase in force. The greater the difference in size between the two cylinders, the greater the increase in the force will be. A hydraulic jack operates based on this two cylinder system.

Working Principal:-

The hydraulic jack is a device used for lifting heavy loads by the application of much smaller force. It is based on Pascal’s law, which states that intensity of pressure is transmitted equally in all directions through a mass of fluid at rest.

The working principle of a hydraulic jack may be explained with the help of Fig. Consider a ram and plunger, operating in two cylinders of different diameters, which are interconnected at the bottom, through a chamber, which is filled with some liquid.

working principle Of Hydraulic jack

Parts Of Hydraulic Jack:-
  •  Gland (End Cap)
  •  Piston Road
  • Cylinder 
  • Base Plate
  • Hose Pipe

Dismantling of old tanks 
Repair to tank foundation 
Building of field erected storage tanks 
Repair or replacement of tank bottom plate 
Increasing tank capacity by adding shell rings or courses 
Erection of other circular structures such as reactor shields in nuclear power stations, etc. 


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