PERFORMANCE OF BITUMINOUS BINDERS AND MIXTURES MODIFIED WITH SHIP-GENERATED WASTE

Date

2025-7-16

Author

Öztürk, Can Atakan

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Marine transportation, which depends on petroleum-based fuels, moves roughly 80–90% of the world’s cargo. Moreover, oily discharges from vessels cause 80% ofmarine pollution. Accordingly, MARPOL convention regulates the management ofpetroleum-derived wastes to minimize environmental risk from ship-generatedwastes. During the treatment of the collected ship-generated oil wastes, valuablesolvents and light oils are recovered by a distillation procedure. Bottom residue, andthe potentially valuable hydrocarbon fractions it contains, is typically eliminatedthrough incineration. Incineration releases environmentally harmful fumes; instead,utilizing bottom residue as a binder modifier would prevent this waste. In this study,ship-generated waste residue was reclaimed in a laboratory environment.Subsequently, the residue was utilized in various ratios for the modification ofB40/60 base binder to derive performance-equivalent counterparts for controlbinders (B50/70, B70/100, and B100/150). Their physical and rheological propertieswere compared with the control binders. Then, both base and modified binders arecombined with two different aggregate sources to prepare 8 different Marshall mixdesigns and 4 different chip seals. Subsequently, their performances are compared with dynamic creep, indirect tensile strength, tensile strength ratio, and Vialitadhesion tests. Eventually, tests revealed that ship-generated waste modified bindersslightly reduce asphalt concrete performance, particularly under highertemperatures, yet resulting mixtures remain field-viable, providing a sustainablealternative. Moreover, statistical analysis proved that compared to key variables suchas test temperature, aggregate and binder properties, the impact of ship-generatedwaste remains secondary. Consequently, it is proven that the use of ship-generatedwaste is viable as a modifier.

Subject Keywords

Ship-Generated Wastes, Binder Modification, Asphalt Mixtures, Chip Seal, Performance

URI

https://hdl.handle.net/11511/115432

Collections

Graduate School of Natural and Applied Sciences, Thesis