Fig. 1From: Freeze-thaw durability of repair mortars and porous limestone: compatibility issuesSamples of repair mortars/limestone prisms (dashed lines represent the boundaries). a Coarse-grained limestone and repair mortar R. b Coarse-grained limestone and repair mortar T50. c Fine-grained limestone and repair mortar T. d Fine-grained limestone and repair mortar T50 (explanation for sample codes are given in Table 1)Back to article page