India could build its first 3D printed house within a year, according to a team from IIT Madras that has successfully printed a miniature single storey structure within two days.
Researchers from Indian Institute of Technology Madras in Tamil Nadu, along with a startup by the alumni of the institute, have established a 3D printing laboratory to take the indigenously-developed technology to the mass market.
The start-up called Tvasta Manufacturing Solutions aspires to completely automate construction, including placement of reinforcements and finishing, by re-envisioning the construction process.
A prototype structure that has been printed at IIT Madras will serve as a base foundational model for accelerating research and development and testing in Tvasta's road to making affordable sanitation and housing a reality in the country.
According to the researchers, India's massive infrastructure deficit in the area of housing, toilets and transportation inspired them to turn to 3D printing technology, which completely re-envisions the construction industry.
They said that they are keenly looking forward to bringing the advantages of this technology to the Indian market.
Koshy Varghese, a professor in the Department of Civil Engineering at IIT Madras, said that the institute is collaborating with several government agencies and industry to disseminate knowledge and establish standards, policies and processes to bring the new technology to the field.
Adithya VS, Co-founder of Tvasta said, that they will be building India's first 3D printed house within the next one year.
"The impact of 3D printing in construction will be primarily focussed towards the 'Housing for All' scheme under the Pradhan Mantri Awas Yojana and construction of toilets for the 'Swachh Bharat Abhiyan'," said Adithya.
"Tvasta is working with multiple stakeholders in the construction Industry to make 3D Printing technology suitable and viable for the Indian construction industry," he said.
The other three founders of the startup are Parivarthan Reddy, Vidyashankar C and Santhosh Kumar.
Currently the material that is being used is a specially designed concrete, the team said.
This concrete has been designed keeping in mind the need for easy extrusion through the 3D printer and also shape retention after placement of the concrete.
"We will also be working on natural materials -- such as stabilised soil -- or alternative cementing materials -- such as geopolymers -- in the future," the team said.
The total printing time that was required for completing the prototype structure was around two days.
However, the team plans to have the capability to print the elements of a complete house of about 320 square feet in about 3 days and complete the entire assembly, including finishing, within a week.
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