World of Concrete India

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Glossary

1

Ready-Mix Concrete (RMC)

Concrete batched at a central plant to a specified mix design and delivered to site in agitator trucks. In India, RMC demand is driven by metro rail, expressway, high-rise and industrial projects. At World of Concrete India it is the core buyer category for batching plant, transit mixer, admixture and quality-control suppliers.

2

Concrete admixture

Chemical or mineral additive dosed into a concrete mix to change fresh or hardened properties, for example plasticisers, superplasticisers, retarders, accelerators, air-entrainers and corrosion inhibitors. Admixture suppliers use the show to meet RMC producers, contractors and specifiers working to Indian Standards mix designs.

3

Formwork and shuttering

Temporary moulds and support systems that hold fresh concrete in shape until it hardens, including wall, slab, column and tunnel formwork plus climbing and slipform systems. Formwork cost and cycle time are a major commercial driver on Indian high-rise and infrastructure jobs, making this a heavy-traffic hall category at the exhibition.

4

Batching plant

A plant that weighs and mixes cement, aggregates, water and admixtures to produce concrete or RMC to a defined mix design. Capacity, automation and moisture-control accuracy are the usual buying criteria discussed with plant manufacturers at the show.

5

Self-compacting concrete (SCC)

Highly flowable concrete that spreads under its own weight without vibration, used where reinforcement is dense or vibration access is difficult. It relies on carefully balanced admixture and fines content, a frequent technical-session topic for engineers attending the conference.

6

GGBS (ground granulated blast-furnace slag)

A cement replacement made by grinding granulated blast-furnace slag, used to improve durability, reduce heat of hydration and lower the embodied carbon of concrete. Indian infrastructure specifications increasingly allow or require GGBS in large pours.

7

Fly ash

A by-product of coal-fired power generation used as a supplementary cementitious material, either blended into cement or added at the batching plant. Availability and quality variation are recurring supply topics for Indian RMC producers.

8

Shotcrete

Concrete or mortar sprayed at high velocity onto a surface, common in tunnel linings, slope stabilisation, repair and swimming pool work. Equipment suppliers usually demonstrate nozzle, pump and accelerator technology for these applications.

9

Precast concrete

Elements cast in a factory or casting yard and transported to site for erection, including columns, beams, wall panels, tunnel segments and drainage products. Precast is expanding in Indian metro, housing and industrial construction as labour and speed pressures grow.

10

Waterproofing and repair

Systems that stop water ingress or restore deteriorated concrete, such as crystalline coatings, membranes, injection grouts and surface treatments. The co-located Roof India Expo extends this coverage into roofing, waterproofing and building-envelope materials.

11

Concrete pump and boom placer

Equipment that moves concrete from the delivery point to the pour location by pipeline, with boom placers extending reach on high-rise and bridge decks. Pumpability, output rate and pipeline wear are typical evaluation points.

12

Curing

Keeping concrete moist and at a suitable temperature after placing so that cement hydration and strength development continue properly. Methods include ponding, wet hessian, spray-on curing compounds and membrane sheets, with curing regimes often specified by the engineer.

13

Non-destructive testing (NDT)

Methods such as rebound hammer, ultrasonic pulse velocity, cover meter and core testing used to assess in-place concrete strength, uniformity and cover without damaging the structure. Testing service firms and instrument suppliers target quality and repair buyers at the fair.

14

IS 456 and Indian Standards

IS 456 is the widely referenced Indian Standard code of practice for plain and reinforced concrete; related standards cover aggregates, cement, admixtures and testing. Confirm current editions and amendments from the Bureau of Indian Standards before specifying.

15

Pavement quality concrete (PQC)

Concrete used for rigid highway and airport pavements, typically with tight requirements on flexural strength, texture and jointing. India's highway and runway programmes make PQC a strong buyer segment at the exhibition.