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Practical, code-referenced articles on concrete technology, IS standards and construction QA/QC — written from 25+ years of RMC plant operations, mix design and site quality-control work.

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IS 456

IS 516 · 10086

24+

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Featured · March 2026

Concrete Technology

Hot Weather Concreting: Complete Guide for Indian Conditions

When ambient crosses 35°C, concrete crosses 32°C and humidity drops below 50%, the rules change. IS 456 thresholds, ACI 305 evaporation limits, time-of-day placement, mix-design tweaks and the curing discipline that actually works.

15 min read · Amit Haridas Read article

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Mar 10, 2026 15 min

Hot Weather Concreting: Complete Guide for Indian Conditions

IS 456 Clause 8.2.2 thresholds, ACI 305 evaporation limits, time-of-day placement strategy and the curing discipline that actually works above 35°C.

Founder · ConcreteInfo

Mar 2026 18 min

Why Concrete Cracks: 7 Types, Causes, Prevention & Repair

Plastic shrinkage, drying shrinkage, thermal, settlement, structural, chemical, crazing — appearance, root cause, prevention and what each one tells you about the mix or the method.

Founder · ConcreteInfo

Mar 10, 2026 20 min

Cube Testing Procedure as per IS 516: Complete Guide

Sampling, casting, curing and testing of 150 mm cubes — with the IS 456 acceptance criteria, standard-deviation table for unknown σ, and the 14 MPa/min loading rate that decides the result.

Founder · ConcreteInfo

Jul 6, 2026 13 min

Water-Cement Ratio Explained: IS 456 Durability vs. Strength

Abrams' law, IS 456 Table 5 max w/c, and the durability-strength trade-off that decides whether your 28 MPa mix actually meets M30.

Founder · ConcreteInfo

Jul 6, 2026 16 min

Self-Compacting Concrete (SCC) Mix Design: EFNARC + IS Aligned

Paste volume, robustness, slump-flow classes (SF1/SF2/SF3) and the EFNARC 2005 acceptance ranges — a practical mix-design walkthrough.

Founder · ConcreteInfo

Jul 6, 2026 18 min

Supplementary Cementitious Materials in India

Fly Ash (IS 3812), GGBS (IS 12089), Silica Fume (IS 15388) and the IS 456 blend caps that decide whether your mix is economic or just over-engineered.

Founder · ConcreteInfo

Jul 6, 2026 12 min

Cold-Weather Concreting: IS 7861 Pt 2 Mix Heating & Curing

The 5°C threshold, ACI 306 cold-weather rules translated, mix-temperature calculation worked example for a Delhi winter pour.

Founder · ConcreteInfo

Jul 6, 2026 16 min

Non-Destructive Testing of Concrete: IS 516 Series — UPV, Rebound Hammer & Cores

Rebound hammer, UPV and core sampling — three IS-aligned tools, one combined workflow that survives dispute resolution.

Founder · ConcreteInfo

Concrete Tech

Coming Soon

Drafting ~8 min

Honeycombing in Concrete: Causes, Prevention & Repair

In-depth article in preparation. Will cover aggregate grading, vibration practice, formwork pressure, cover and the repair decision matrix.

Get notified when published

IS Standards

Coming Soon

Drafting ~20 min

Mix Design as per IS 10262:2019

Step-by-step walkthrough of the IS 10262:2019 mix-design procedure for ordinary and high-strength concrete, with worked examples and the 10262-2019 vs 10262-2009 changes.

Get notified when published

Best Practice

Coming Soon

Drafting ~12 min

Concrete Curing Methods: Ponding, Spraying, Membranes Compared

Side-by-side comparison of IS 456 curing methods with effectiveness, cost, labour, weather-sensitivity and what to use when.

Get notified when published

Articles marked Coming Soon are in preparation and not yet published. Only verified, code-referenced content is published — we do not ship partial drafts.

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