Nanocement Economy

Figure 5. SPM (Scanning Probe Microscope) picture of fresh cleaved surface of concrete B-60 (MAC 90) after one year of hardening (2-D)

Figure 6. SPM (Scanning Probe Microscope) picture of fresh cleaved surface of concrete B-60 (MAC 90) after one year of hardening (3-D)

When nanocements is the best solution

Complicated logistical schemes in the region: utilization of local raw materials (including off-grade ones), damped wastes of TPPs, slag, sludge

High costs of cements and raw materials in the region

Tough construction schedule

High water and freezing resistance of projected cements

High compressive and flexural strength of projected concretes

Projected large-span structures

Utilization of architectural concretes used as structural ones

Drastic economy under new characteristics

Concrete produced on the basis of nanocements allows reduction of cement consumption, which is used in construction of:

High-rise buildings and blocks

  1. In supporting columns – by 2–3 times

  2. In slabs – by 1,3–1,5 times

  3. Speed up the turnover of formworks – from 2 to 3 times

  4. Reduce overall costs of carcasses of the buildings – from 20 to 40%

Hydro-engineering facilities

  1. Enhance durability – by 2-3 times

  2. Reduce consumption of cement – up to 2 times

  3. Reduce costs of construction – from 30 to 50%

Tunnels

  1. Reduce cement consumption – by 1,5 times

  2. Enhance durability due to waterproof characteristics of concrete – by 2 times

  3. Reduce overall costs – by 20–30%

Bridges and roads

  1. Reduce cement consumption – by 1,5 times

  2. Enhance durability – up to 2 times

  3. Reduce costs – from 15 to 25%

Defense facilities

  1. Increase strength of the buildings – from 2 to 2,5 times

  2. Increase sustainability and durability – from 3 to 5 times

Nanocements can dramatically improve the quality and durability of concrete products. In particular, nanocements secure production of the following brands of high quality concretes with great deal of cement saving and exception of traditional steaming of products, while reducing power consumption and heat: High-strength and durable concretes for earthquake-resistance engineering, construction of high-rise buildings from tube-confined concrete and monolith; high-performance concretes for special structures, civil engineering and architectural complexes (thin membranes, supporting columns, beams, tubing, concrete frames and bridge structures); High-performance concretes for road construction (construction of roads, railways, airports, overpass structures, platforms, side stone, fencing, etc.); concretes for hydraulic structures, including marine, drilling rigs of oil extraction, underground tunnels and similar structures; architectural concrete (cast artificial stone) and products based on it for the improvement of cities: fountains, vases, anaglyphs, sculptures, etc.); High-quality cost-effective dry construction mixtures for multiple purposes (plastering, masonry, self-leveling floors, tile, etc.).

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Moscow Institute of Material Science and Efficient Technologies International, Dubai UAE

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