About this code
Practical recommendations for concreting in hot weather — temperature control, scheduling, ice use, curing protection. Critical for Bangalore April-October.
Key sections
- 01Effects of hot weather
- 02Temperature limits
- 03Materials handling
- 04Placement and curing
Critical clauses
Clause 4.0Temperature Limits
Concrete temp at placement preferably <= 30°C, max 40°C.
In practiceUse chilled water or ice when ambient > 35°C.
Clause 5.0Material Cooling
Cool aggregates and water; shade stockpiles.
In practiceEach 1°C drop in concrete = ~4°C in aggregate.
Clause 6.0Curing
Continuous moisture for first 24 hours critical.
In practiceWet hessian + sprinkling, never let it dry.
Practical implications
For specifiers
Reference for summer specs.
For suppliers
Schedule early/night pours.
For executors
Plan curing logistics.
FAQs
What temp triggers hot weather measures?
Ambient > 35°C or concrete > 30°C.
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