Precast Advantages & Disadvantages

That can be used to speed up your construction?

Precast Advantages



Flexibility

Large span floor system leads to more flexibility as internal columns are avoided.




Safety

Concrete does not burn and prevents the spread of the fire from one building to another.




Durability

Concrete is used where the structural stability has to be maintained for long periods.




Quality

Precast structures is under controlled and adhere to the highest standards of quality control.




What Is Precast


“The casting concrete in its final shape before positioning.”

 

Advantages of Precast


As precast structure is a solid material.

Merits Precast Cast Insitu
Speed / Time Saving YesNo
Quality Control YesNo
Weather Effect NoYes
Long Spans YesNo
Formwork / Scaffolding NoYes
Design Flexibility LowHigh
Finishing at Ease YesNo
Cost Efficient (Mass Housing) YesNo
ReusableYesNo
Merits Precast Cast Insitu
Easy Installation Yes No
Material Requirement Less High
Wastage Less High
Labors on site Less High
Plaster Requirement Negligible High
Dimensional Accuracy High Low
Carbon Emission Less High
Plant & Machinery is reused
for other projects
Yes No
 

Disdvantages of Precast


As precast structure is a solid material.

 
Merits Precast Cast Insitu
Initial Investment High Less
Steel Consumption Equal Equal
Concrete Consumption More Less
Construction Joints More Less
 

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