What is Retrofitting in Civil Construction | What is Column Jacketing? || By CivilGuruji

What is Retrofitting in Civil Construction | What is Column Jacketing?

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About This Video -------------------------------------------------------------------------------
In this video Er. Kishan Ojha, Corporate Trainer of Civil Guruji is Explaining about What is Retrofitting in Civil Construction | What is Column Jacketing?

Jacketing is a method of structural retrofitting and strengthening It is used to increase bearing load capacity following a modification of the structural design or to restore structural design integrity due to a failure in the structural member. This technique is used on vertical surfaces such as walls, columns and other combinations such as beam sides and bottoms. It consists of added concrete with longitudinal and transverse reinforcement around the existing column. Jacketing is the process whereby a section of an existing structural member is restored to original dimensions or increased in size by encasement using suitable materials. A steel reinforcement cage or composite material wrap can be constructed around the damaged section onto which shotcrete or cast-in-place concrete is placed. What is Retrofitting in Civil Construction | What is Column Jacketing?

Jacketing is particularly used for the repair of deteriorated columns, piers, and piles and may easily be employed in underwater applications. The method is applicable for protecting concrete, steel, and timber sections against further deterioration and for strengthening. Jacketing improves axial and shear strength of columns and a major strengthening of the foundation may be avoided. What is Retrofitting in Civil Construction | What is Column Jacketing?

Jacketing is the process of strengthening weak RCC columns which have deteriorated over some time due to adverse atmospheric conditions or due to poor maintenance of the structure. Other reasons during the construction phase include design errors, deficient concrete productions, bad execution process. During the service life, the need may arise due to an earthquake; an accident, such as collisions, fire, explosions; situations involving changes in the structure functionality; the development of more demanding code requirements. What is Retrofitting in Civil Construction | What is Column Jacketing?

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What is Retrofitting in Civil Construction | What is Column Jacketing?
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