Feb 12
Building In 3D
Building In 3D
FOR THE FIRST TIME ever in India, a G+1 building, with both vertical and horizontal rebar has been 3D printed on site. L&T’s Building & Factories (B&F) arm has achieved this feat using in-house-produced concrete, concrete mix, and aggregates of higher grain size – unlike the conventional method of using prepacked mortar (with grain size not exceeding 2 mm) mixed with water.
 
In most cases, building elements are 3D printed off-site and assembled at the site. This structure, however, was printed entirely in-situ using the BOD1 Printer imported from COBOD, Denmark, with reinforcements meeting design requirements and complying with Indian Codal Provisions. 3D printing is ideal for mass housing construction.
 
In November 2019, the L&T team had printed a 1-BHK flat at B&F’s Kancheepuram campus, making it the first such structure to be 3D printed in India. Mr M V Satish (Whole-time Director & Sr EVP – Buildings) spearheaded the initiative, while a team led by Mr L S Kannan (Head – Concrete Management) and Mr S Lakshmi Narayanan (Head – Robotics) was in charge of execution.

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