Abstract
In this study, the changes in mechanical properties and durability of Portland cement lime-based mortar due to the addition of chopped carbon fibers (CFs) have been studied. Compressive strength (CS), split tensile strength (STS) and flexural strength were determined in relation to the volume of CFs, water to binder ratio and SP dosage. Additionally, the durability, i.e. immersion water absorption (IWA) and capillary water absorption (CWA), has also been investigated. The results show that the CS, STS, IWA and CWA of the mortar with 1 vol.% CFs are increased by 11.24%, 3.69%, 5.41% and 46.50% respectively, comparing with that of the mortar with 0.5 vol.% CFs. The lime mortar with 1 vol.% fiber shows 6.59% higher energy absorption than that with 0.5 vol.% fiber in aspect of flexural strength.
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