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Cathodic Protection to Buildings is merely a method which is runned for the prevention of corrosion on the submerged and underground metallic structures primarily where it is also used to protect various structures against the effects of corrosion. Cathodic Protection to Buildings is when the method is done only on buildings, where it is also done on pipelines, harbors, offshore floats and tanks as well, where buried metal structures are mainly present. Cathodic protection is merely a specific technique which is used to seek the control of corrosion of a specific metal surface by making the cathodic side of basically an electrochemical cell, where one of the most easiest form is to apply the CP by connecting the metal to remain protected with another corroded metal which would then act as being an anode for an electrochemical cell.

 

The process is a kind of a Protective Coating wherein the principle is thus forwarded and applied to a specific metallic structure which remains in contact with a big electrolyte going via in a basic practice where the main use was to protect the steel structures present which are deep buried in the soil and are then immersed in water. The cathodic protection systems are also used to protect a large range of metallic structures where a variety of applications can be included.

 

Some of the basic principles of cathodic protection require a technique which basically covers the on-based conversion of active areas which are around a metal surface and going to a passive stage. Thus, by inserting a supply current, the potential of the metal is thus reduced and the corrosion attack is also ceased with the cathodic protection to be achieved successfully. There is sacrificial anode cathodic protection and an impressed current cathodic protection which is also known as ICCP. One of the easiest methods to go forward and then apply cathodic protection is by binding a connection between the metal where it can be protected easily from the act of corrosion. There are other metals also used as anodes such as aluminum, zinc and magnesium as well.

 

Also, some of the most active metals which are on the verge of becoming anodes to the others and have the potential to sacrifice themselves from the process of corrosion are thus termed as sacrificial anode. Also, as the driving voltage of the sacrificial anodes is measured to be low in comparison with the other current anodes, the sacrificial anodes should be protected very well and thus should also be distributed within a closer located area from where it can be protected. Hence, because of the acquired difference between the anodic and cathodic area, there is a positively charged metal ion on the lead where the anode surface is measured, whereas the electrons are also allowed to leave the surface with the cathode.

 

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