This study replaced part of the cementitious material in the conventional cement mortar with 5％concentra-tion of sticky rice-lime mortar(SRLM),and explored its application in the restoration of ancient buildings.Scanning elec-tron microscopy and X-ray diffraction(XRD)were used to explore the effects of natural zeolite powder and hydroxyethyl methylcellulose(HEMC)on the mechanical properties and durability of sticky rice-lime mortar.The results show that the volcanic ash effect of natural zeolite powder is beneficial to the mechanical properties and durability of glutinous rice mor-tar,and the optimal content is 3％.The water retention of HEMC enhances the durability of sticky rice-lime mortar but adversely affects its mechanical properties,and its optimal content is 1％.The mechanical properties and durability of sticky rice-lime mortar mixed with 10％natural zeolite powder and 0.5％HEMC achieved the best effect.
restoration of ancient buildingssticky rice-lime mortarnatural zeolite powderhydroxyethyl meth-ylcellulose
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