The article considers the possibility of using wastepaper sludge ash (WSA) as a soil reinforcement material for the construction of layers of road wear. Loamy sand, sandy loam, silty clay loam, silty clay were chosen as soils for strengthening. The maximum density of the soil skeleton at optimum humidity was established by the method of Proctor. Wastepaper sludge ash and Portland cement grade 400 were used separately for soil strengthening. Six compositions of strengthened soil for each type of soil were investigated according to the strength criterion of water-saturated samples at the age of seven, fourteen and twenty-eight days. The research results indicate that wastepaper sludge ash can be used to strengthen different types of soils with the achievement of following grades of stabilized soil: M10, M20, M40.
Sobol K., Solodkyy S., Petrovska N., Belov S., Hunyak O. & Hidei V. (2020). Chemical Composition and Hydraulic Properties of Incinerated Wastepaper Sludge. Chemistry & Chemical Technology. 14. 538-544.
Ahmad S. (2013) Study of concrete involving use of waste paper sludge ash as partial replacement of cement JOSR. J. Eng. Volume 3, Number 11: Pp. 6-15.
Frias M., Rodriguez O., Sanchez de Rojas M.I. (2015) Рарer sludge, an environmentally sound alternative source of MK - based cementious materials. Contruction and Bulding Materials. Volume 74, 37-48.
Frias M., Garcia R., Vigil R.,Ferreiro S (2001). Calcinations of art paper sludge waste for the use as a supplementary cementing material. Appl Clay Sci, 42(1-2), 189-193.
Segui P., Aubert J.E., Husson B., Measson M. (2015) Characterization of wastepaper sludge ash for its valorization as a component of hydraulic bilders. Applied Clay Science, Volume 57, 79-85.
Ferreiro S., Frias V., Vigil de la Villa R., Sanchez de Rojas M. (2013) The influence of thermo activation of art paper sludge on the technical properties of blended Portland cements. Cem. Concr. Compos. 37,136-142. https://doi.org/10.1016/j.cemconcomp.2012.11.005
V. Hidei, Iu. Sidun, O. Hunyak, S. Stanchak, V. Bidos (2020). Application of wastepaper sludge ash as mineral powder for hot asphalt concrete mix JTBP. 2020; Volume 2, Number 2, 42-47
ASTM D 698 Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Standard Effort
G. Fava; M. Letizia Ruello, V. Corinaldesi (2011) Paper Mill Sludge Ash as Supplementary Cementitious Material; Journal of Materials in Civil Engineering Volume 23, Issue 6
Solodky S., Topylko N., Turba Yu., Hrymak O., Novytskjy Y. (2017) Optimization of the cement compounds with the aim of increase of its physical-mechanical indicators Teoriia i praktyka budivnytstva. Number 877. P. 199-211.
Cusido J., Cremandes L., Suricano C., Devant M.: Appl. Clay Sci., 2015, 108, 191.
Lisbona, A., Vegas, I., Ainchil, J., & Ríos, C. (2012). Soil stabilization with calcined paper sludge: laboratory and field tests. Journal of Materials in civil engineering, 24(6), 666-673.
Khalid, N., Mukri, M., Kamarudin, F., & Arshad, M. F. (2012). Clay soil stabilized using waste paper sludge ash (WPSA) mixtures. Electronic Journal of Geotechnical Engineering, 17, 1215-1225.
Baloochi, H., Aponte, D., & Barra, M. (2020). Soil Stabilization Using Waste Paper Fly Ash: Precautions for Its Correct Use. Applied Sciences, 10(23), 8750. https://doi.org/10.3390/app10238750