L&T 3D Printing a Bengaluru Post Office

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It has been reported that L&T Construction, the construction division of Larsen & Toubro, has utilised 3D printing technology in order to create a post office in Bengaluru, India. According to the company operations, the project is to design and construct the Halasuru Post Office utilising 3D Concrete Printing technology within 45 days. The office will be 1,000 square feet in size.

It is believed that this project was the first time in India that 3D printing technology was employed for the construction of a government building. The work was carried out in coordination with the Department of Posts of the Indian government.



Halasuru Post Office under construction using 3D printing technology

This project has given the green light by the Building Materials and Technology Promotion Council (BMTPC), and the Institute of Technology in Madras has validated the structural design of the post office.
L&T said in a statement that the post office was printed using a fully automated 3D printer "in situ" at the job site in a "open to sky" environment.

Through the use of a robotic printer, 3D printing technology builds up layers of concrete according to a 3D model drawing. The process needs a careful balance of concrete properties, such as the ability to flow, quick hardening for load-bearing capacity, green concrete status for bonding between layers, and enough strength for printing to work.

Mr. M V Satish, the full-time Director and senior executive vice-president of L&T Construction (Buildings), says that the post office is the first public building in Karnataka to be built with 3D technology. The project is moving along quickly, and when it's finished, the building will probably become a small landmark in Bengaluru.

The use of 3D printing technology by L&T for the construction of a post office in Bengaluru is a significant step forward for the technology's application in the construction industry. As the technology continues to improve and become more widely available, it has the potential to transform the way buildings are designed and constructed, offering benefits such as reduced construction costs, accelerated construction times, and increased flexibility in building design.


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