Abstract
Heritage structures are valuable monuments that describe the culture and tradition of the country. In today's world, natural or artificial tragedies alter these historic structures. As a result, restoration was implemented to restore the ancient buildings using modern binding agents to conserve these cultural structures. Rehabilitation can take place only by analyzing the properties of existing structures. The alternative binding additive agent selected can regain the same strength and shape as the heritage structures based on the existing structure properties. Based on these, the restoration of the Alamparai Fort was performed by analyzing the fort materials using mortar strength analysis by core-drilling, double punch test, and small-scale masonry test. The arch properties are also analyzed by performing seismic analysis based on the mortar strength properties. The stability analysis of the organic and existing materials shows that Gur and Haritaki are the best additive agents for restoring the fort. Hence, the fort's diagonal shear test and seismic modeling were used to analyze the performance of the mortar strength and seismic analysis of these materials. The proposed material strength test results indicate that the Gur and Haritaki are the best additive agents to restore the fort. The fort was restored with these materials; it survived the Nivar cyclone on 26 November 2020.
Highlights
Most forts in India are castles or fortresses
The restoration of Alamparai fort was performed by analysing the fort materials using mortar strength analysis by core-drilling, double punch test, and small-scale masonry test
The arch properties are analysed by performing seismic analysis based on the mortar strength properties
Summary
Most forts in India are castles or fortresses. When the Indian government classified India in the 17th and 19th centuries, they used the term fort that was common in Britain at the time. All fortresses, whether European or Indian, are called fortresses. Since this has become common in India. Three main methods were used to construct the Indian castle. The first is the earthen city wall. They are made of sand, which is dug from the ditches around the fortress. The sudden disaster did not destroy any Indian fortresses, several fortresses were abandoned due to the ambitions of the rulers and deteriorated over time. The castle was used as a residential area until the 19th-20th centuries, so it was constantly modified
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