Bengaluru’s first 3D-printed post office

  • The first 3D-printed post office in India, located in Bengaluru’s Cambridge Layout, was recently inaugurated.
  • Swift 3D Printed Post Office: The 3D-printed post office was built in 43 days, two days faster than the initial deadline.
  • Larsen & Toubro Limited completed the project in conjunction with IIT Madras.

Technological Methodology

  • The post office has a total space of 1,021 square feet and was built utilising modern 3D concrete printing.
  • Robotic printers employed an automated technique to layer concrete in accordance with the authorised design.
  • Strong Bonding: The layers were held together by a specially formulated quick-hardening concrete.
  • Rapid Construction: Using robotic accuracy and pre-embedded plans, the project was finished in 43 days, significantly less than the standard 6 to 8 months.

The Benefits of 3D Printing

  • Cost-Effective: The project cost 23 lakhs, representing a 30-40% cost savings over typical approaches.
  • Showcasing Technology: The project demonstrated the scalability of concrete 3D printing technology by utilising indigenous machines and robotics.

Distinctive Characteristics

  • Continuous Perimeter: The project’s continuous perimeter structure had no vertical joints.
  • Flexibility: 3D printing allowed for curved surfaces and varying site proportions, overcoming the limits of flat walls.
  • Structural Innovation: To improve structural integrity, continuous reinforced concrete footings and three-layer walls were built.
  • Reduced duration: The unique technique cut the building duration down to 43 days, reducing material waste.
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