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Chapter: Civil : Prestressed Concrete Structures : Theory and Behaviour

Advantages of Prestressed Concrete

In case of fully prestressed member, which are free from tensile stresses under working loads.

Advantages of Prestressed Concrete

 

·        In case of fully prestressed member, which are free from tensile stresses under working loads.

 

·        The cross section is more effectively utilized when compared with a reinforced concrete section which is cracked under working loads.

 

  · Within   certain limits, a permanent will be counteracted by increasing the eccentricity of the prestressing force in a prestressed structural elements, thus effecting saving in the use of materials.

 

  · Prestressed    concrete members possess improved resistance to shearing forces, due to the effect of compressive prestress, which reduces the principal tensile stress.

 

  · The  use  of high strength concrete and steel in prestressed members results in lighter and slender members than is possible with reinforced concrete.

 

  · It is free  from cracks, contributes to the improved durability of the structure under aggressive environmental conditions.

 

  ·  The economy  of prestressed concrete is well established for long span structures.

 

  · A prestressed   concrete flexural member is stiffer under working loads than a reinforced concrete member of the same depth.

 


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Civil : Prestressed Concrete Structures : Theory and Behaviour : Advantages of Prestressed Concrete |


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