Coarse Aggregates (Jelly/Granite Chips) Suppliers & Rates in Chennai
Coarse aggregates (commonly called jelly or granite chips in Chennai) are the bulk material in concrete. Aggregate quality, size grading, and cleanliness directly affect concrete strength and workability. Source high-quality Coarse Aggregates (Jelly/Granite Chips) directly from suppliers for your construction project.
Types & Grades
- ▸20mm Jelly (standard for RCC slab, column, beam)
- ▸10mm Jelly (for smaller structural elements, precast)
- ▸40mm Jelly (for mass concrete, foundations)
- ▸Processed graded aggregates to IS 383
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✅ What to Check at Delivery
- ✓Request sieve analysis for grading curve
- ✓Check flakiness and elongation index (should be within IS limits)
- ✓Verify there are no soft, friable, or organic particles
- ✓Check aggregate impact value (AIV) and crushing value (ACV) for structural use
- ✓Verify delivery tonnage against invoice
⚠ Common Mistakes to Avoid
- ✕Using mixed or gap-graded aggregates without adjusting mix design
- ✕Accepting aggregates with high fines content
- ✕Using weathered or soft aggregate sources
- ✕Not accounting for moisture content in mix water calculation
Aggregate rates depend on size, source quarry, and delivery distance.
Request Material QuoteFAQs
What size aggregate should I specify for my RCC slab?
20mm maximum size aggregate is typically specified for RCC slabs and beams in residential construction. Your structural engineer will specify based on design requirements.
Can I use crushed tile or demolition rubble as aggregate?
Never use demolition material or crushed tiles as structural concrete aggregate. Only use quarried, tested, IS-compliant aggregates in structural RCC work.
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