Fig. 2: Morphology images of the sandstone and slurry. | npj Heritage Science

Fig. 2: Morphology images of the sandstone and slurry.

From: In situ continuous decoding of temperature humidity and micro strain during sandstone fracture hole restoration

Fig. 2

a–e Side images of the sandstone samples after water glass slurry curing at -5, 15, 35, 55, and 75 °C, respectively. f–j Top images of the sandstone samples under the same curing conditions. k–o Optical microscopy images of sandstone cross-sections cured at −5, 15, 35, 55, and 75 °C, respectively. p–t Surface optical microscopy images of curing products inside the cracks at −5, 15, 35, 55, and 75 °C. u–y Surface FESEM images of curing products inside the cracks at −5, 15, 35, 55, and 75 °C.

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