The highest goal of the Italian 3D printing company WASP has always been to produce 3D houses for developing countries. Today, the company printed on the 3D building materials, durability of housing, as well as in-depth study of the environmental impact, developed a new form of 3D printing beam.

The earliest WASP wanted to use 3D printing of houses with completely natural building materials, but they soon discovered that they might be too ambitious. So they began to look for other available building materials, such as the most common cement, when it comes to cement, people may think of greenhouse gas carbon dioxide. But the research team found that combining it with 3D printing can reduce pollution by 50%.

"This number is impressive, but it can only be achieved using the programmable fill structure technology we created. Otherwise, it would be unthinkable to implement a hollow system using normal technology," the WASP team said in a press release.

According to WASP, the study is quite complicated. To implement a 3D printed home, the R&D team sent a Big Delta 3D printer to an Italian institute specializing in concrete pulp. It is understood that Big Delta 3D is a giant 3D printer that can print on clay. At the University of Naples, Domenico Asprone and his team started the experiment with this 4 meter tall guy.

They found that with Big Delta 3D, they can indeed print cement slabs and beams with reinforced concrete 3D. The WASP team is currently conducting further research at the CeSMA Service Center at the University of Naples. Their ultimate goal is to one day not only be able to print buildings in 3D with these materials, but also to design and build infrastructure such as bridges.

“3D printing allows us to create curved, hollow building components that are often of a special function. If traditional methods are used, it is often necessary to form with wooden molds and fresh concrete. The cost will increase dramatically.” Marco from the Stress Consortium Iuorio said.

Currently, they are testing the first beam of 3D printing. The beam is about three meters long and is inspected by the Department of Engineering, Structure and Architecture of the University of Naples. They will also evaluate the mechanical properties of this reinforced concrete component and test it with “prestressing technology” and a new assembly system.

“This new technology is expected to simplify the form and save materials, thus reducing the weight of reinforced concrete members, reducing costs and reducing the impact on the environment. In addition, the possibility of obtaining complex shapes is more versatile applications in reinforced concrete, showing more Aesthetic design elements paved the way,” said Domenico Asprone, assistant professor of structural engineering at the University of Naples.

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