3D printer for construction

[subornaakter40]

In addition, the working conditions of the people employed in this production also leave much to be desired. The proposal to produce bricks that do not require firing was put forward by students at the Massachusetts Institute of Technology (it turned out to be environmentally friendly and economical, which is why it was approved by a special commission).

About 70% of Eco BLAC bricks are sodium hydroxide, lime, some clay and boiler ash (a combustion product that appears during the production of electrical energy). Moreover, boiler ash is greece business email list not used anywhere else, and its disposal causes irreparable harm to the ecosystem (it is buried in the ground).

During the production of conventional bricks, a lot of energy is consumed (firing is done at a temperature of 1000 ˚C), but Eco BLAC bricks do not need this. They are manufactured at room temperature, as alkaline activation technology is used. This is not only safe for the environment, but also quite economical for the manufacturer.

Today, a pilot project for the production of "Eco-bricks" is being implemented, led by the Tata Center (a technology center at the Massachusetts Institute of Technology). The first bricks are already being tested in Muzaffarnagar (India), where they are being used to build affordable housing. If this interesting business idea proves itself, it will most likely be used in countries where the problem of housing construction is especially acute.

3D printing is of increasing interest to the public. It would seem that the first 3D printers appeared quite recently, but today they can already print dishes, toys, the printers themselves and "consumables" for them, and, which seems unlikely, human tissue and organs. Now interesting business ideas are appearing abroad, consisting of printing residential buildings and building structures.

Dr Sungwoo Lima, based at Loughborough University in the UK, has assembled a team of scientists who are developing approaches to using 3D printing in construction. The project is funded by the EPSRC (Engineering and Physical Sciences Research Council) at the Centre for Industrial and Construction Innovation.



Scientists have already learned to print small forms using the cement formula (flower beds, vases, building blocks) and have begun printing full-size building structures. This technology can provide complete freedom of thought during design, because it becomes possible to use absolutely any shapes and lines (cornerstones, convex, cubic, etc.).

The 3D printer uses extrusion technology, i.e. a new layer of material is placed on top of the previous one. Of course, it is premature to talk about high quality printing, but this is not the main thing for construction (concrete is not at all difficult to process and give it the desired appearance). But this interesting business idea makes it possible to create concrete forms without formwork, which will make live labor easier and construction times shorter.

[yadaysrdone]

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