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Fig. 22 | Built Heritage

Fig. 22

From: Types of lime binders in mortars used for the construction of the Ming Great Wall of China and their importance for the development of a conservation strategy

Fig. 22

Microstructure of calcium-rich lime mortar (All ppl). Left: bedding mortar consisting of a dense mortar matrix as a fine, homogeneous microstructure with predominantly smaller lime patches. Right: pointing mortar with lumps of lime covered by fine crystalline cloud-like structures, indicating the CSH phase (Source: Tanja Dettmering and Bernhard Middendorf)

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