DOLOCRETE A Revolutionary concrete alternative

Dolocrete is a viable alternative to concrete with the benefits of being lighter, stronger, non-porous, environmentally benign, cheaper, and fire-proof.

Dolocrete is the name given to a concrete substitute that has resulted from more than twenty-five years of research conducted in Queensland, Australia. Suitable in all climate types, Dolocrete can be used to replace concrete for residential, commercial, industrial purposes and infrastructural uses such as roads and bridges, along with other applications.

In dolomite, Nature joined Calcium and Magnesium to create an extremely waterproof, structurally-stable, hard rock.

Dolocrete cement is manufactured from dolomite, a mineral rock that covers approximately 15% of the earth’s crust.

The manufacturing process is similar to that of ordinary Portland Cement although it requires less energy and time to produce.

Dolocrete cement can be mixed with a large variety of fillers to form useful construction and building materials that can be formulated to comply with international building standards.

The following key comparisons of dolocrete versus traditional cement is provided by users of dolocrete technology and subsequent validation by an Australian materials laboratory that specializes in building material research:

COMPARISONS

  • Dolocrete does not expand or contract significantly at ambient temperatures so may not require expansion joints.
  • Dolocrete is substantially waterproof and fireproof.
  • Dolocrete is capable of excellent sound and temperature insulation qualities.
  • Dolocrete can use a very wide range of inexpensive fillers.
  • Dolocrete can be bulked out as much as 8 to 1.
  • Dolocrete products can be made using poor quality of water (even sea-water) without detriment.
  • Dolocrete can use strong organic fillers, such as bamboo and sugar cane bagasse as reinforcing.
  • Dolocrete cement has the ability to safely utilize domestic, industrial and mining wastes as fillers to make a variety of products
  • Dolocrete cement manufacture only requires a fraction of the energy compared with Portland Cement.
  • Dolocrete cement gives off negligible carbon dioxide during manufacture compared with Portland Cement.
  • Dolocrete cement is substantially cheaper to produce than Portland Cement.

ENVIRONMENT

Dolocrete cement appears to be environmentally friendly because its manufacturing process only requires a fraction of the energy to produce compared with Portland Cement (the industry’s third largest user of energy in the US). Also, Dolocrete cement, absorbs the same amount of carbon dioxide during its curing process as it expelled during its manufacture. On the other hand, 44 tonnes of carbon dioxide is released into the atmosphere for every 100 tonnes of limestone (calcium carbonate) processed to make Portland Cement – a huge difference.

RESEARCH

Research with Dolocrete was conducted in Australia over several years with around two hundred different waste materials being successfully tested. For example, such unlikely materials as sawdust; shredded newsprint; straw, sugar cane bagasse and paper mill wastes proved to be very suitable and effective fillers. Mining and industrial wastes such as ‘aluminium pug, coal ash (from power stations) and volcanic ash were shown to be equally effectively and efficiently useful as fillers.

APPLICATIONS

  1. The use of Dolocrete in manufacturing house bricks and roof tiles doesn't require the need for kiln curing offering tremendous energy savings. Dolocrete roof tiles may be used in cold climates where freezing temperatures cause normal tiles to crack and break when the moisture in them freezes. This shouldn’t occur with Dolocrete tiles provided they are filled with materials that don’t absorb moisture.
  2. Roads could be built without the need for those annoying expansion joints. Also, it is likely that Dolocrete cement could be mixed with the on-site soil to produce the road base, resulting in major savings in construction costs.
  3. Along with road applications, Dolocrete could be used for the laying of sidewalks and construction works such as swimming pools and possibly bridges and high-rise buildings.
  4. Dolocrete could be used for the manufacturing of prefabricated panels.

World Harmony believes dolocrete will have a positive social impact for humanity given the material cost of housing using the material could be reduced by as much as 30-70%. This is a WIN/WIN/WIN, especially for underdeveloped countries.

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