Ashwathi Pacha| THEHINDU | JUNE 24, 2019 18:21 IST
Monuments built by the Mughals and the Lodhis from the 13th to the 16th century extensively follow a Persian style of architecture with plasterwork decorations.
Now, researchers from the Indian Institute of Technology (IIT) Madras, which hosts the National Centre for Safety of Heritage Structures, have looked at five different historic buildings in New Delhi and have uncovered the microstructure of the binding material used in such plasterwork.
The researchers studied the mineral composition and porosity of the material and noted the different transformations that had occurred. They investigated if any secondary materials had formed over the years and whether they had altered the internal structure.
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