Large-scale experimental model study: soil improvement with olive mill solid residue ash

Bağrıaçık B., Kahraman E., Kılıç A. M.

INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY, cilt.19, sa.12, ss.12581-12592, 2022 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 19 Sayı: 12
  • Basım Tarihi: 2022
  • Doi Numarası: 10.1007/s13762-022-04150-7
  • Dergi Adı: INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Aqualine, Aquatic Science & Fisheries Abstracts (ASFA), Biotechnology Research Abstracts, CAB Abstracts, Compendex, Environment Index, Geobase, INSPEC, Pollution Abstracts, Veterinary Science Database
  • Sayfa Sayıları: ss.12581-12592
  • Anahtar Kelimeler: Soil improvement, Clayey soil, Olive mill residual solids ash, Waste, Sustainability, RICE HUSK ASH, FLY-ASH, STABILIZATION, OIL, CAKE, BEHAVIOR
  • Çukurova Üniversitesi Adresli: Evet

Özet

In this study, an eco-friendly method for the improvement of clayey soil (CS) is proposed. This method consists of using olive mill residual solid ash (OMSRA) to improve the mechanical and physical properties of CS. OMSRA was added to CS with different ratios: 5%, 10%, 15%, 20%, 25%, and 30%. Within the scope of this work, optimum water ratios, optimum mixing ratio, optimum depth zone, and optimum number of geogrids were determined for OMSRA and CS mixtures. Also, the effects of OMSRA-geogrid on the improvement of CS were evaluated. In the last stage, this study was supported by SEM, XRD and XRF analyses. The results obtained showed that the inclusion of OMSRA in CS will improve the engineering properties with the use of OMSRA and geogrid separately. Optimum rate of olive mill residual solid ash, optimum depth of zone, and optimum number of geogrid layers for improvement of CS were recommended as 20%, 1.25 and 3, respectively. After site improvement, 14 days should be left before the start of superstructure construction. In addition to the engineering effect, this paper emphasizes another environmentally attractive perspective, which is that the use of OMSRA for improvements to CS helps to dispose of some parts of this waste and protect the environment.