Published: Građevinar 78 (2026) 3
Paper type: Scientific research paper
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Physical and mechanical properties of stabilised river sediment: case study of the Begej river in Serbia

Using recycled and waste materials in construction instead of natural aggregates contributes to the conservation of natural resources and reduction of construction costs. River sediment obtained via dredging represents one such material which, following appropriate stabilisation, is likely suitable for road construction applications. This study analysed the physical and mechanical properties of both unstabilised and hydraulically stabilised sediments sourced from the Begej River in the Republic of Serbia. Based on the evaluation of the measured properties and their comparison with technical criteria for road construction of Republic of Serbia, the results indicated that unstabilised sediment is suitable for subgrade and embankment construction. Furthermore, specific stabilised mixtures met the 7-day compressive strength requirements for application as stabilised subgrades and stabilised subbase layers in lower-category roads.

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