The technical and economic advantages of porous concrete pavement have drawn the attention of many researchers. Accordingly, in this study, the effects of cement replacement (10 and 20 %) by pozzolanic materials such as silica fume, zeolite, fly ash, and granulated blast-furnace slag (GBFS) on the performance of porous concrete was evaluated by conducting compressive and tensile strength as well as water absorption tests at the ages of 7 and 28 days. To conduct the strength tests, cylindrical and cubic specimens were built with dimensions of 100 by 200 mm and 100 by 100 by 100 mm, respectively. Based on the results, application of silica fume and GBFS managed to improve the compressive and tensile strengths by 60 and 300 %, respectively. Moreover, the inclusion of zeolite, fly ash, and GBFS enhanced the specimen’s water absorption and stood at fair and good ranking provided by the International System of Unified Standard Codes of Practice for Structures (CEB-FIP) standard.
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