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Traditional use of organic additives (bamboo foliage, flax fibre and millet grains) in 16th century lime plaster of Solapur Fort, India

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Title Traditional use of organic additives (bamboo foliage, flax fibre and millet grains) in 16th century lime plaster of Solapur Fort, India
 
Creator Dighe, B
Singh, M
Karche, T
 
Subject Aragonite
Bamboo foliage
Calcite
Illite
Millet
Reinforcement
Vermiculite
 
Description 106-116
This paper reports the characterization of organic and inorganic additives from the 16th century Western Indian Fort of Solapur. The analytical investigations were performed employing a petrographic thin section, granulometric analysis, XRF, XRD, FTIR, SEM-EDX, and DTA/TGA. The studies indicated the occurrence of the calcite polymorphs and inclusion of clay minerals i.e., illite and vermiculite in one sample of the plasters. Calcite rich air-lime showed the presence of essential minerals like quartz, feldspar, biotite and lime component. Observations under SEM, light microscopy and polarized microscopy revealed inclusions of bamboo foliage, millet grains enclosed in lemma and palea and Flax fibres as organic additives in the plaster as reinforcement. Although the use of bamboo culm in construction has adequately been reported, for the first instance bamboo foliage was evidenced in plasterworks of Solapur fort. The high silica content of bamboo foliage probably helped in providing strength to the plaster. The inclusion of millet grains has provided thermal, gelatinization and hydration properties to the plasters. The stronger, crisper and stiffer flax fibres gave thermal and elastic properties to the Solapur fort plasterworks.
 
Date 2021-02-24T07:09:01Z
2021-02-24T07:09:01Z
2021-01
 
Type Article
 
Identifier 0975-1068 (Online); 0972-5938 (Print)
http://nopr.niscair.res.in/handle/123456789/56297
 
Language en_US
 
Relation Int. Cl.21: A61K 8/19, C12P 7/10, A01N 43/56, C12G 3/021, A41B 11/02
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJTK Vol.20(1) [January 2021]