"PT cable" is also known as "Post-Tensioning cable." Post-Tensioning is a technique used into strengthen concrete structures. It involves inserting high-strength PT Cables into member before connecting.
Once the concrete has hardened to a specific strength, the post-tensioning cables are tensioned using hydraulic jacks. It compresses the concrete and improves its strength and durability.
Increase load-bearing capacity and improve overall performance.
It helps to reduce cracking.
Low Relaxation 7 wire Strand of Class II (Grade 1860) with 12.9 mm nominal diameter used in mono-strand unbonded post tensioning tendons shall conform to the requirements of IS 14268:2022.
Net sectional Area of Strand: 100 mm2.
Yield Load: Not less than 180 KN.
Ultimate Strength. Not less than 1860 N/mm2.
Minimum Breaking Load Not less than 186KN.
Modulus of Elasticity. At least 195,000N/mm2.
Minimum Elongation: 3.5% for a gauge length of 600 mm.
Relaxation at 1000 hours Less than 2.5% at 70% Minimum Ultimate Tensile Strength.
Weight of Bare Strand: 0.781kg/m.
Post Tensioning
Durability
Rapid Construction
Column and Footing Design
Overall Structural Cost
A Solution Optimised for Every Applied
Foundational Versatility
Material Savings
Cost Savings
Eliminates Shrinkages And Cracks
Sustainability
Efficient Construction Timelines
Placement and Sizing of Tendons
Crack Control
Less Sagging and Vibration
Minimizes and Controls Cracking
Design Flexibility
Longer Spans
Better Performance
Expansive Soils
Reduced Floor to Floor Height
Faster Construction
Longer Spans and Thinner Slabs
Reduced Lifetime Costs
Hospitals
Office Buildings
Residential Buildings
Skyscrapers
Industrial Buildings
Foundation Slabs
Basements
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