Larsen & Toubro’s construction arm 3D prints a 700 square foot plot of land plus a house

The construction arm of infrastructure giant Larsen & Toubro on Thursday announced it had successfully printed land plus building, claiming it is the first in India.

The company 3D printed the 700-square-foot building at its Kanchipuram facility with an in-house developed concrete mix, using regular building materials available on site.

“L&T Construction, the construction arm of the $ 21 billion technology, engineering and construction conglomerate Larsen & Toubro, announced it has successfully 3D printed a G + 1 (Ground plus one) building with reinforcement for the first time. in India, ”the company said in a statement.

With the country aggressively pursuing the goal of creating 60 million homes under the Housing for All program by 2022, this achievement is sure to give a huge boost to the mass housing segment, he added.

“3D printing concrete is one of the technological revolutionaries with the potential to radically redefine construction methodologies and I am extremely happy that, demonstrating our growing experience in 3D printing, we are well positioned to push the boundaries of automated robotic construction,” he said affirmed MV Satish, Whole Time Director and Senior Executive Vice President (Buildings), Larsen & Toubro.

Not only will it accelerate the pace of build, but it will also significantly improve build quality, he added.

The building was printed with both vertical reinforcement bar and horizontal distributors, using a welded mesh that meets the provisions of Indian codes and optimizes the construction cost.

Except for the horizontal plate members, the entire building structure was 3D printed “ Cast in Situ ” at the workplace in an “ open to the sky ” environment within 106 hours of printing, using a fully automated 3D printer, the statement states. .

3D printing is a process in which material is printed under computer control to build a three-dimensional product, typically layer by layer. It is mainly used in the manufacturing industries to print rapid prototypes, complex shapes and small batch production using special polymers and metal alloys.

3D printing with concrete is still largely ongoing around the world.

In early November 2019, the team had 3D printed 240 square feet 1 BHK, in line with the typical EWS (Economically Weaker Sections) building layout to explore the viability of this innovative technology.