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Tuesday, May 28, 2024
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IIT Guwahati innovators construct 3D Printed Security Post using Industrial Waste

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IIT Guwahati’s innovative construction technology


IIT Guwahati innovators have constructed a 3D printed security post using a special M40 grade sustainable concrete containing industrial wastes, fibers, and chemical admixtures. The team behind the project started a startup called Stratify 3D Pvt. Ltd. under the mentorship of Dr. Biranchi Panda, Assistant Professor, IIT Guwahati, and developed this digital technology in line with India’s #AatmaNirbhar Bharat vision. This innovative technology developed at IIT Guwahati is ready to provide customized houses in India in less construction time with controlled quality.

Custom design: printing custom-designed tetrahedron modules with overhang features

The 3D printed post has a carpet area of 85 sq. ft. and consists of 56 modules. For the first time, the team printed custom-designed tetrahedron modules having overhang features of 22 degrees and embossed features up to 40 mm. In order to print the overhanging features, a special sustainable concrete mix design was prepared with different combinations of accelerator and retarder that meets the demanding rheological and mechanical performance requirements of 3D printed structures. The modules were printed using an automated concrete 3D printer in 15 hours and later assembled on-site using a special bonding agent.

The security post was built in collaboration with the Institute Infrastructure, Planning, and Management team and is claimed to be sustainable in terms of construction practice and material composition. Speaking about the unique features of this 3D Printed Security Post, Dr. Biranchi Panda, Assistant Professor Mechanical Department, IIT Guwahati, said, “In this project, we addressed the aesthetic potential of digital construction technology while utilizing sustainable construction materials. Material and surface texture demonstrate the remarkable aesthetic possibilities of concrete printing technology used for the security post construction.”

Industry 4.0 and India’s presidency of G20

The construction sector represents 13% of the GDP and produces approximately 40% of total carbon dioxide (CO2) emissions. Emerging technologies such as 3D printing play a vital role in achieving circular construction economy. The world is witnessing transformative trends of demographic transitions and technological changes such as Industry 4.0, which will facilitate improvements in productivity, efficiency, and economic benefits. However, research focusing on the practices of Industry 4.0 applications and circular economy in the construction sector is scant.

Technology demonstration: showcasing the 3D printed security post at Y20 Inception Meet

Speaking about Industry 4.0 as a priority of G20 under India’s presidency, Prof. Parameswar K. Iyer, Officiating Director, IIT Guwahati, said, “As technology advances, it is essential that India’s youth be prepared to compete on a global scale. The tech industry can play a crucial role in preparing India’s youth for global competition by providing industry-academia collaboration, and entrepreneurial support. Advancements in technologies such as ‘additive manufacturing,’ also known as 3D printing, using sustainable and locally available resources enables new location-specific designs and modern economical structures.”

IIT Guwahati

This 3D printed security post’s on-site assembly and technology demonstration were showcased during the Y20 Inception Meet at IIT Guwahati. The post was then formally handed over to the security personnel to start its operation in the presence of Prof. Parameswar K. Iyer, Officiating Director, IIT Guwahati; Superintendent Engineer Col. L.K. Singh (Retd.); Associate Dean IPM K.D. Singh; Dr. Biranchi Panda, Assistant Professor, IIT Guwahati, and Stratify 3D Team.

The Y20 Inception Meet hosted by the Institute brought together young leaders from around the world to discuss the future of manufacturing and the role of technology in shaping the industry. Aligning with this, IIT Guwahati is working on multiple R&D projects to ensure natural assets can deliver their full benefits to the students.

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