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What reinforcements are used in the process of prestressing?

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Question added by Karmel Hammad , Junior Civil Engineer , Khatib & Alami
Date Posted: 2017/05/22
Deleted user
by Deleted user

The major types of reinforcements used in prestressing are:

 

  • Spalling Reinforcement: The spalling stresses leads to stress behind the loaded area of the anchor blocks. This results in the breaking off of the surface concrete. The most likely causes of such types of stresses are Poisson`s effects strain interoperability or by the stress trajectory shapes.
  • Equilibrium reinforcements: These types of reinforcements are required where several anchorages exist where the prestressing loads are applied in a sequential manner.
  • Bursting Reinforcements: These kinds of stresses occur in cases where the stress trajectories are concave towards the line of action of load. In order to reduce such stresses reinforcements in the form of bursting is required

MAZEN YOUSEF ISMAIL
by MAZEN YOUSEF ISMAIL , Senior Projects Director , ADAC-Abu Dhabi Airports Company

We use Strands for single wires and Tendons for group of strands

Mohamad Baghdadi
by Mohamad Baghdadi , site engineer , Hassib ibrahim

we use tendons covered by anchors.

Mahmoud Mostafa Mohamed Ahmed
by Mahmoud Mostafa Mohamed Ahmed , Project Engineer Structural Design Engineer , Mimar Group Engineering Consultant (Egypt Branch)

we use tendons with anchors 

FERAS ODEH
by FERAS ODEH , Construction Project Manager , Self employee

Spalling Reinforcement :

The spalling stresses leads to stress behind the loaded area of the anchor blocks. This results in the breaking off of the surface concrete. The most likely causes of such types of stresses are Poisson`s effects strain interoperability or by the stress trajectory shapes.

MUHAMMAD USMAN
by MUHAMMAD USMAN , p.manager , h.j

we use tendons with anchors and 1. Spalling Reinforcements

2. Bursting Reinforcements

3. Equilibrium Reinforcements

Mahmoud Othman
by Mahmoud Othman , Senior Sales Engineer , El Dawlya for scaffolding and form work

1. Spalling Reinforcements 2. Bursting Reinforcements 3. Equilibrium Reinforcements

3 types of renforcment

1.equlibriam renf

2.bursting renf

3.spalling renf

soleiman hatamleh
by soleiman hatamleh , cost control& budget planning , BIN QURAYA

Equilibrium reinforcements: These types of reinforcements are required where several anchorages exist where the prestressing loads are applied in a sequential manner.

Zhofrey Valiyev
by Zhofrey Valiyev , Piping Supervisor , TENGIZCHEVROIL

·        In the staff of the development & design teams in Dubai’s office and construction, maintenance and operation teams at Iraq field developed and put into operation the new West Qurna 2 oil & gas field (Iraq/Basrah) within the short deadlines.

Alton Alvaro
by Alton Alvaro , Building Contractor , Amazon

 the major types of reinforcements used in prestressing are spalling reinforcement the spalling stresses leads to stress behind the loaded area of the anchor blocks this results in the breaking off of the surface concrete.

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