IS 1343:2012 — Clause Reference

Permissible Stresses & Member Types (Type 1 / 2 / 3)

IS 1343 limits the concrete compressive/tensile stresses at transfer (initial prestress, low concrete strength) and at s…

Prestress Losses (Elastic, Creep, Shrinkage, Relaxation, Friction, Anchorage)

The force the structure actually gets is the jacking force minus losses. IS 1343 quantifies short-term losses (elastic s…

Transfer, Anchorage & End-Zone (Bursting) Reinforcement

Where the prestress is transferred — the anchorage in post-tensioning, the bond length in pre-tensioning — the concrete …

Limit States — Deflection, Crack Width & Durability

IS 1343 is limit-state: ultimate-limit-state flexure and shear capacity, and serviceability-limit-state deflection and c…

Materials — High-Strength Concrete & Prestressing Steel

Prestressed concrete demands better materials than RCC: a higher minimum concrete grade (commonly M40 for pre-tensioned,…