Research on the composition of mortar on the surface of Sulamani Pahto in Bagan,Myanmar
In our research,several methods,including optical microscopy,scanning electron microscopy,energy spectrometry,X-ray diffractometry and micro-infrared spectrometry,were used to study the main components of post-restoration stupa mortar,exterior wall mortar and mural groundwork of Sulamani Pahto in Bagan,Myanmar.Through the tests of organic additives,calcium content and sediment mass ratio,we obtained an in-depth understanding of the mortar production process.Based on the test results and local visits,the traditional process and materials for molding in Bagan,Myanmar were revealed.The results show that the mortar used for Sulamani Pahto was mainly composed of lime,gravel and mud,and also contained organic additives such as starch and protein.The stupa mortar in Bagan region of Myanmar has similarities with the traditional composite mortar in China,but there are also obvious differences.Research on the production process and materials for the mortar is conducive to a better understanding of the uniqueness of Burmese culture.Such studies promote cultural exchanges between the two countries,and could provide important reference materials for the restoration and technical research on stupas as well.
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