7CE 6.2A : DESIGN OF PRE‐STRESSED CONCRETE STRUCTURES (L- 3)

  Units    Contents of the subjects
I
Introduction: Systems of pre‐stressing in detail, pre‐stressing techniques, transfer of pre‐stress, types of commercially available jacks, computation of losses of pre‐stress. Anchorage Zone: end block stresses, design.
II

Cable profiles: Concordant and non‐concordant cable profile and associated factors in continuous members. Modern cable laying: materials & practices, precautions etc. Computation of deflection in pre‐stressed concrete members.

III

Design of Pre‐stressed Concrete Sections: Flexural, shear and torsion resistance of members, preliminary and final design of sections, design of pre and post tensioned flexural members; simply supported and continuous members.

IV

Pre‐stressed Slab: Design of slabs, tendon layout, precast slab, production and their applications. Partial Prestressing: Principles and advantages, methods, practices and design.

V
Design of circular pipes and circular water retaining structures etc. Case study of one bridge girder with design and constructional features.

 

Suggested Readings:

1- Design of Pre stressed Concrete by T.Y. Lin, Wiley Eastern International.
2- Design of Pre stressed Concrete by N.Krishnan Raju, Tata Mc Graw Hills.
3- Design of Pre stressed Concrete Structures by N.Sinha Ray, S.Chand Co.
4. Prestressed concrete structures by Praveen Nagrajan, Pearsons